diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json
index 31155e0ad33366d512112d01232ff0f77531a425..93a41a2d6862355440ec67fcfa6edc789e821109 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json
index 6cfc3609d18920244a409f0cfc478a18b405b7c5..a148606877f90407905edc88b89ed60bad04f98b 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json
index 9598f5f28f0b02061b2e9e71dd55e239dcbe86c3..cb86c11da56434d0b0dfcd3a0172ec904488fd11 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json
index af5a6416b1853491e2bef0e3b0b81e820954e295..dbbd773cf11f612f5c2582e5dd19f3f110bafecd 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json
index 48446ae7fd5b29ac6fc01b22ca65b04736cabe37..6e0f8b4ee9c4638b123089839fff9af7fcc0f82f 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json
index c13eef0c5206424ce93484a62a959e012fafdc24..75485990c9e0ae6c7de26b5a3c61e4cd98c4cc4a 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json
index 8391cc5d51a79738e727985940a3f873fe653789..5071a4fb78a4a35195edf8f8f907b8dee471ad8e 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json
index df23669edb115cd0617b25ecfeaf5f2838dc095c..b2c7caae4df6eb7fbd1facaeace834c1fbcb8938 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json
index 2fc28f5b1b508d24f9a9c90278176aeff3e7cae2..fd8d58be31a6ac56be38b2e2bc219fc59742d1d5 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json
index 1e64fa5be53bdc753c4c2c07c01db4ca085fd170..8d1cebc773f6ca552a86f9cf9498f27ca3caac6e 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json
index 783a4cbeaf3eb5b36057e78baa48c685a0e43024..c02b94c9ce036f8717d28ebbe99e120ac5e3d080 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json
index f94a7270c8bdad56739a8466e160aeee301568a2..867a181a54d5e20a66a082f7dbe4a3ebb8bac803 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json
@@ -25,7 +25,7 @@
       "cpu_affinity": 1,
       "device": "/dev/nvgpu",
       "memory": 32518041600,
-      "microarchitecture": "Tegra",
+      "microarchitecture": "Volta",
       "model": "AGX Xavier",
       "performance": {
         "fp-16": 2820000000000,
diff --git a/lib/refrepo/gen/wiki/generators/hardware.rb b/lib/refrepo/gen/wiki/generators/hardware.rb
index 03f4f70c02f606bc0ca58505ed05e92ab496260e..0d12547a16c2641f5b005918af7a428a001ff39c 100644
--- a/lib/refrepo/gen/wiki/generators/hardware.rb
+++ b/lib/refrepo/gen/wiki/generators/hardware.rb
@@ -186,29 +186,32 @@ class G5KHardwareGenerator < WikiGenerator
                   model = GPURef.model2shortname(acc['model'])
                   cores = acc['cores']
                   compute_capability = acc.has_key?('compute_capability') ? acc['compute_capability'] : "N/A"
+                  microarchitecture = acc['microarchitecture']
                   mem = RefRepo::Utils.get_as_gb(acc['memory'])
                 when :MIC
                   vendor = acc['mic_vendor']
                   model = acc['mic_model']
                   compute_capability = { text: "N/A", sort: 0 }
+                  microarchitecture = 'N/A'
                   mem = RefRepo::Utils.get_as_gb(acc['mic_memory'])
                 when :FPGA
                   vendor = acc['vendor']
                   model = acc['model']
                   compute_capability = { text: "N/A", sort: 0 }
+                  microarchitecture = 'N/A'
                   mem = RefRepo::Utils.get_as_gb(acc['memory'])
                 end
 
                 key = [vendor, { text: acc_type.to_s, sort: acc_type.to_s } ]
                 init(data, 'acc_families', key)
                 data['acc_families'][key][site_uid] += 1
-
-                key = [vendor, { text: acc_type.to_s, sort: acc_type.to_s }, model, { text: "#{mem}GB", sort: mem }]
+                
+                key = [vendor, { text: acc_type.to_s, sort: acc_type.to_s }, model, {text: microarchitecture, sort: get_date(microarchitecture) + ', ' + microarchitecture}, { text: "#{mem}GB", sort: mem }]
                 init(data, 'acc_models', key)
                 data['acc_models'][key][site_uid] += 1
 
                 if acc_type == :GPU
-                  key = [vendor, model, { text: "#{mem}GB", sort: mem }, compute_capability]
+                  key = [vendor, model, {text: microarchitecture, sort: get_date(microarchitecture) + ', ' + microarchitecture}, { text: "#{mem}GB", sort: mem }, compute_capability]
                   init(data, 'gpu_cores', key)
                   data['gpu_cores'][key][site_uid] += cores
                 end
@@ -261,11 +264,11 @@ class G5KHardwareGenerator < WikiGenerator
     generated_content += "\n== Accelerator counts per type ==\n"
     table_columns = ['Vendor', 'Type'] + sites + ['Accelerators total']
     generated_content += MW.generate_table(table_options, table_columns, get_table_data(data, 'acc_families'))
-    table_columns = ['Vendor', 'Type', 'Model', 'Memory'] + sites + ['Accelerators total']
+    table_columns = ['Vendor', 'Type', 'Model', 'Microarch', 'Memory'] + sites + ['Accelerators total']
     generated_content += "\n== Accelerator counts per model ==\n"
     generated_content += MW.generate_table(table_options, table_columns, get_table_data(data, 'acc_models'))
     generated_content += "\n== GPU core counts per GPU model ==\n"
-    table_columns = ['Vendor', 'Model', 'Memory', 'Compute capability'] + sites + ['Cores total']
+    table_columns = ['Vendor', 'Model', 'Microarch', 'Memory', 'Compute capability'] + sites + ['Cores total']
     generated_content += MW.generate_table(table_options, table_columns, get_table_data(data, 'gpu_cores'))
 
     generated_content += "\n= Networking =\n"
@@ -356,6 +359,15 @@ class G5KHardwareGenerator < WikiGenerator
       'Vulcan' => '2018',
       'Ice Lake' => '2021',
       'Carmel' => '2018',
+      'Vega20' => '2018',
+      'Ampere' => '2020',
+      'Turing' => '2018',
+      'Maxwell' => '2014',
+      'Kepler' => '2012',
+      'Pascal' => '2016',
+      'Volta' => '2017',
+      'Fermi' => '2010',
+      'N/A' => '&nbsp;',
     }
     date = release_dates[microarchitecture]
     raise "ERROR: microarchitecture not found: '#{microarchitecture}'. Add in hardware.rb" if date.nil?
diff --git a/lib/refrepo/gpu_ref.rb b/lib/refrepo/gpu_ref.rb
index 32e7a5de67066c71963c87edd1f5736c8d0ee29c..b3fe5b08079258b4f13eeafbcc7ae1e6b8c13ab5 100644
--- a/lib/refrepo/gpu_ref.rb
+++ b/lib/refrepo/gpu_ref.rb
@@ -10,7 +10,7 @@ class GPURef
       'compute_capability' => '7.5',
       'short_name'         => 'RTX 2080 Ti',
       'alias'              => 'rtx2080ti',
-      'microarchitecture'          => 'Turing',
+      'microarchitecture'  => 'Turing',
       'performance'        => {
         'fp-16' => 26900000000000,
         'fp-32' => 13450000000000,
@@ -22,7 +22,7 @@ class GPURef
       'compute_capability' => '6.1',
       'short_name'         => 'GTX 1080 Ti',
       'alias'              => 'gtx1080ti',
-      'microarchitecture'          => 'Pascal',
+      'microarchitecture'  => 'Pascal',
       'performance'        => {
         'fp-16' => 177200000000,
         'fp-32' => 11340000000000,
@@ -34,7 +34,7 @@ class GPURef
       'compute_capability' => '6.0',
       'short_name'         => 'Tesla P100',
       'alias'              => 'p100-pcie-16',
-      'microarchitecture'          => 'Pascal',
+      'microarchitecture'  => 'Pascal',
       'performance'        => {
         'fp-16' => 19050000000000,
         'fp-32' => 9526000000000,
@@ -46,7 +46,7 @@ class GPURef
       'compute_capability' => '6.0',
       'short_name'         => 'Tesla P100',
       'alias'              => 'p100-sxm2-16',
-      'microarchitecture'          => 'Pascal',
+      'microarchitecture'  => 'Pascal',
       'performance'        => {
         'fp-16' => 21220000000000,
         'fp-32' => 10610000000000,
@@ -58,7 +58,7 @@ class GPURef
       'compute_capability' => '7.0',
       'short_name'         => 'Tesla V100',
       'alias'              => 'v100-pcie-32',
-      'microarchitecture'          => 'Volta',
+      'microarchitecture'  => 'Volta',
       'performance'        => {
         'fp-16' => 28260000000000,
         'fp-32' => 14130000000000,
@@ -70,7 +70,7 @@ class GPURef
       'compute_capability' => '7.0',
       'short_name'         => 'Tesla V100',
       'alias'              => 'v100-sxm2-32',
-      'microarchitecture'          => 'Volta',
+      'microarchitecture'  => 'Volta',
       'performance'        => {
         'fp-16' => 28260000000000,
         'fp-32' => 14130000000000,
@@ -82,7 +82,7 @@ class GPURef
       'compute_capability' => '2.0',
       'short_name'         => 'Tesla M2075',
       'alias'              => 'm2075',
-      'microarchitecture'          => 'Maxwell',
+      'microarchitecture'  => 'Maxwell',
       'performance'        => {
         'fp-16' => 0,
         'fp-32' => 1028000000000,
@@ -94,7 +94,7 @@ class GPURef
       'compute_capability' => '5.2',
       'short_name'         => 'GTX 980',
       'alias'              => 'gtx980',
-      'microarchitecture'          => 'Fermi',
+      'microarchitecture'  => 'Fermi',
       'performance'        => {
         'fp-16' => 0,
         'fp-32' => 4981000000000,
@@ -106,7 +106,7 @@ class GPURef
       'compute_capability' => '3.5',
       'short_name'         => 'Tesla K40M',
       'alias'              => 'k40m',
-      'microarchitecture'          => 'Kepler',
+      'microarchitecture'  => 'Kepler',
       'performance'        => {
         'fp-16' => 0,
         'fp-32' => 5046000000000,
@@ -118,7 +118,7 @@ class GPURef
       'compute_capability' => '7.5',
       'short_name'         => 'Tesla T4',
       'alias'              => 't4',
-      'microarchitecture'          => 'Turing',
+      'microarchitecture'  => 'Turing',
       'performance'        => {
         'fp-16' => 65130000000000,
         'fp-32' => 8141000000000,
@@ -130,7 +130,7 @@ class GPURef
       'compute_capability' => '8.0',
       'short_name'         => 'A100',
       'alias'              => 'a100-pcie-40',
-      'microarchitecture'          => 'Ampere',
+      'microarchitecture'  => 'Ampere',
       'performance'        => {
         'fp-16' => 77970000000000,
         'fp-32' => 19490000000000,
@@ -142,7 +142,7 @@ class GPURef
       'compute_capability' => '8.0',
       'short_name'         => 'A100',
       'alias'              => 'a100-sxm4-40',
-      'microarchitecture'          => 'Ampere',
+      'microarchitecture'  => 'Ampere',
       'performance'        => {
         'fp-16' => 77970000000000,
         'fp-32' => 19490000000000,
@@ -154,7 +154,7 @@ class GPURef
       'compute_capability' => '8.6',
       'short_name'         => 'A40',
       'alias'              => 'a40',
-      'microarchitecture'          => 'Ampere',
+      'microarchitecture'  => 'Ampere',
       'performance'        => {
         'fp-16' => 37420000000000,
         'fp-32' => 37420000000000,
@@ -166,7 +166,7 @@ class GPURef
       'compute_capability' => '7.5',
       'short_name'         => 'Quadro RTX 6000',
       'alias'              => 'rtx6000',
-      'microarchitecture'          => 'Turing',
+      'microarchitecture'  => 'Turing',
       'performance'        => {
         'fp-16' => 32620000000000,
         'fp-32' => 16310000000000,
@@ -177,7 +177,7 @@ class GPURef
       'cores'              => 5120,
       'short_name'         => 'MI50',
       'alias'              => 'mi50-32',
-      'microarchitecture'          => 'Vega20',
+      'microarchitecture'  => 'Vega20',
       'performance'        => {
         'fp-16' => 26820000000000,
         'fp-32' => 13410000000000,
@@ -189,7 +189,7 @@ class GPURef
       'compute_capability' => '7.2',
       'short_name'         => 'AGX Xavier',
       'alias'              => 'agx-xavier',
-      'microarchitecture'  => 'Tegra',
+      'microarchitecture'  => 'Volta',
       'performance'        => {
         'fp-16' => 2820000000000,
         'fp-32' => 1410000000000,