NVIDIA A2 vs NVIDIA A40

NVIDIA A2
NVIDIA A40
1280 Shaders
16GB GDDR6
1770MHz
10752 Shaders
48GB GDDR6
1740MHz
Peak AI Performance
145 TOPS
INT4 Tensor Sparse
Peak AI Performance
1.2 POPS
INT4 Tensor Sparse
FP32
4.53 TFLOPS
FP32
37.42 TFLOPS
FP16
4.53 TFLOPS
FP16
37.42 TFLOPS
Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
60W
TDP
300W
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Power Connectors
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GB6 Metal N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
GB5 OpenCL N/A
0%
GB5 OpenCL N/A
0%
GB5 CUDA N/A
0%
GB5 CUDA N/A
0%
GB5 Metal N/A
0%
GB5 Metal N/A
0%
GB5 Vulkan N/A
0%
GB5 Vulkan N/A
0%
OCT 2020.1 N/A
0%
OCT 2020.1 N/A
0%
OCT Metal N/A
0%
OCT Metal N/A
0%
Peak AI Performance
145 TOPS
INT4 Tensor Sparse
Peak AI Performance
1.2 POPS
INT4 Tensor Sparse
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FP16
4.53 TFLOPS
18.13 TFLOPS Tensor (FP16 Accumulate)
36.25 TFLOPS Tensor (FP16 Accumulate) Sparse
18.13 TFLOPS Tensor (FP32 Accumulate)
36.25 TFLOPS Tensor (FP32 Accumulate) Sparse
FP16
37.42 TFLOPS
149.67 TFLOPS Tensor (FP16 Accumulate)
299.34 TFLOPS Tensor (FP16 Accumulate) Sparse
149.67 TFLOPS Tensor (FP32 Accumulate)
299.34 TFLOPS Tensor (FP32 Accumulate) Sparse
FP32
4.53 TFLOPS
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FP32
37.42 TFLOPS
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FP64
70 GFLOPS
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FP64
590 GFLOPS
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BF16
4.53 TFLOPS
18.13 TFLOPS Tensor
36.25 TFLOPS Tensor Sparse
BF16
37.42 TFLOPS
149.67 TFLOPS Tensor
299.34 TFLOPS Tensor Sparse
TF32
9.06 TFLOPS Tensor
18.12 TFLOPS Tensor Sparse
TF32
74.83 TFLOPS Tensor
149.67 TFLOPS Tensor Sparse
INT4
72.5 TOPS Tensor
145 TOPS Tensor Sparse
INT4
598.67 TOPS Tensor
1.2 POPS Tensor Sparse
INT8
-
36.25 TOPS Tensor
72.5 TOPS Tensor Sparse
INT8
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299.34 TOPS Tensor
598.67 TOPS Tensor Sparse
INT32
2.27 TOPS
INT32
18.71 TOPS
Ray Tracing
8.9 TOPS
Ray Tracing
73.1 TOPS
Pixel Fillrate
56.64 GPixel/s
Pixel Fillrate
194.88 GPixel/s
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Texture Fillrate
70.8 GTexel/s
Texture Fillrate
584.64 GTexel/s
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Ampere
Architecture
Ampere
Family
Server
Family
Server
Codename
NV177
GA107
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Codename
NV172
GA102
Variant
GA102-895-A1
Market Segment
Server
Market Segment
Server
Release Date
11/10/2021
Release Date
10/5/2020
Foundry
Samsung
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Foundry
Samsung
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Fabrication Node
8N
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Fabrication Node
8N
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Die Size
200 mm²
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Die Size
628 mm²
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Transistor Count
8.7 Billion
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Transistor Count
28.3 Billion
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Transistor Density
43.50M/mm²
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Transistor Density
45.04M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
1280 Shaders
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Shading Units
10752 Shaders
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Texture Mapping Units
40 TMUs
Texture Mapping Units
336 TMUs
Render Output Units
32 ROPs
Render Output Units
112 ROPs
Tensor Cores
40 T-Cores
Tensor Cores
336 T-Cores
Ray-Tracing Cores
10 RT-Cores
Ray-Tracing Cores
84 RT-Cores
Streaming Multiprocessors
10 SMs
Streaming Multiprocessors
84 SMs
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1440MHz Base
1770MHz
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1305MHz Base
1740MHz
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L1
64KB/SM Tex
128KB/SM
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L1
64KB/SM Tex
128KB/SM
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L2
2MB Shared
L2
6MB Shared
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16GB
GDDR6
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48GB
GDDR6
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Bus Width
128Bit
Bus Width
384Bit
Clock
782MHz
Transfer Rate
6.3GT/s
Bandwidth
100GB/s
Clock
906MHz
Transfer Rate
7.2GT/s
Bandwidth
347.9GB/s
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TDP
60W
TDP
300W
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No Ports
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3x DisplayPort 1.3
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Max Resolution
Unknown
Max Resolution
7680x4320
Max Resolution Refresh Rate
-
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
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Variable Refresh Rate
G-Sync
FreeSync
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
Unknown
Multi Monitor Support
3
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Content Protection
HDCP 2.3
Model
NVENC 7
Model
NVENC 7
Codec
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AVC (H.264)
HEVC (H.265)
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Codec
-
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AVC (H.264)
HEVC (H.265)
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Model
NVDEC 5
Model
NVDEC 5
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
VP8
VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
VP8
VP9
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AVC (H.264)
HEVC (H.265)
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AV1
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Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.6
CUDA
8.6
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PureVideo HD
VP11
VDPAU
Feature Set K
Shader Model
6.6
CUDA
8.6
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PureVideo HD
VP11
VDPAU
Feature Set K
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Power Connectors
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1x 8-Pin EPS
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Slots Required
1.0
PCIe Version
4.0
PCIe Lanes
8
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
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Multi GPU Support
Supported
Type
NVLink
Height
69 mm (2.72 in)
Width
168 mm (6.61 in)
Depth
20 mm (0.79 in)
Height
112 mm (4.41 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Change Comparison