NVIDIA A40 vs NVIDIA T4

NVIDIA A40
NVIDIA T4
10752 Shaders
48GB GDDR6
1740MHz
2560 Shaders
16GB GDDR6
1590MHz
Peak AI Performance
1.2 POPS
INT4 Tensor Sparse
Peak AI Performance
260.51 TOPS
INT4 Tensor
FP32
37.42 TFLOPS
FP32
8.14 TFLOPS
FP16
37.42 TFLOPS
FP16
16.28 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
300W
TDP
70W
Power Connectors
-
-
-
-
-
-
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-
GB6 OpenCL N/A
0%
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
1.2 POPS
INT4 Tensor Sparse
Peak AI Performance
260.51 TOPS
INT4 Tensor
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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
FP16
16.28 TFLOPS
65.13 TFLOPS Tensor (FP16 Accumulate)
-
65.13 TFLOPS Tensor (FP32 Accumulate)
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FP32
37.42 TFLOPS
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-
FP32
8.14 TFLOPS
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-
FP64
590 GFLOPS
-
FP64
250 GFLOPS
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BF16
37.42 TFLOPS
149.67 TFLOPS Tensor
299.34 TFLOPS Tensor Sparse
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TF32
74.83 TFLOPS Tensor
149.67 TFLOPS Tensor Sparse
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-
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INT4
598.67 TOPS Tensor
1.2 POPS Tensor Sparse
INT4
260.51 TOPS Tensor
-
INT8
-
299.34 TOPS Tensor
598.67 TOPS Tensor Sparse
INT8
-
130.25 TOPS Tensor
-
INT32
18.71 TOPS
-
-
Ray Tracing
73.1 TOPS
Ray Tracing
31.8 TOPS
Pixel Fillrate
194.88 GPixel/s
Pixel Fillrate
101.76 GPixel/s
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Texture Fillrate
584.64 GTexel/s
Texture Fillrate
254.4 GTexel/s
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Ampere
Architecture
Turing
Family
Server
Family
Server
Codename
NV172
GA102
Variant
GA102-895-A1
Codename
NV164
TU104
Variant
TU104-895-A1
Market Segment
Server
Market Segment
Server
Release Date
10/5/2020
Release Date
9/13/2018
Foundry
Samsung
-
Foundry
TSMC
-
Fabrication Node
8N
-
Fabrication Node
12FFN
-
Die Size
628 mm²
-
Die Size
545 mm²
-
Transistor Count
28.3 Billion
-
Transistor Count
13.6 Billion
-
Transistor Density
45.04M/mm²
-
Transistor Density
24.95M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
10752 Shaders
-
Shading Units
2560 Shaders
-
Texture Mapping Units
336 TMUs
Texture Mapping Units
160 TMUs
Render Output Units
112 ROPs
Render Output Units
64 ROPs
Tensor Cores
336 T-Cores
Tensor Cores
320 T-Cores
Ray-Tracing Cores
84 RT-Cores
Ray-Tracing Cores
40 RT-Cores
Streaming Multiprocessors
84 SMs
Streaming Multiprocessors
40 SMs
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1305MHz Base
1740MHz
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585MHz Base
1590MHz
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L1
64KB/SM Tex
128KB/SM
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L1
32KB/SM Tex
64KB/SM
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L2
6MB Shared
L2
4MB Shared
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48GB
GDDR6
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16GB
GDDR6
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Bus Width
384Bit
Bus Width
256Bit
Clock
906MHz
Transfer Rate
7.2GT/s
Bandwidth
347.9GB/s
Clock
625MHz
Transfer Rate
5GT/s
Bandwidth
160GB/s
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TDP
300W
TDP
70W
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3x DisplayPort 1.3
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No Ports
Max Resolution
7680x4320
Max Resolution
Unknown
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
-
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
Unknown
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)
-
-
-
-
Model
NVDEC 5
Model
NVDEC 4
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
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AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
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
7.5
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PureVideo HD
VP10
VDPAU
Feature Set J
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Power Connectors
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1x 8-Pin EPS
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Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
NVLink
Multi GPU Support
Supported
Type
NVLink
Height
112 mm (4.41 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Height
69 mm (2.72 in)
Width
168 mm (6.61 in)
Depth
20 mm (0.79 in)
Change Comparison