NVIDIA A40 vs NVIDIA Tesla P4

NVIDIA A40
NVIDIA Tesla P4
10752 Shaders
48GB GDDR6
1740MHz
2560 Shaders
8GB GDDR5
1063MHz
Peak AI Performance
1.2 POPS
INT4 Tensor Sparse
Peak AI Performance
21.77 TOPS
INT8
FP32
37.42 TFLOPS
FP32
5.44 TFLOPS
FP16
37.42 TFLOPS
FP16
90 GFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
300W
TDP
75W
Power Connectors
-
-
-
-
-
-
-
-
-
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
21.77 TOPS
INT8
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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
90 GFLOPS
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-
-
-
FP32
37.42 TFLOPS
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-
FP32
5.44 TFLOPS
-
-
FP64
590 GFLOPS
-
FP64
170 GFLOPS
-
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
-
-
-
INT4
598.67 TOPS Tensor
1.2 POPS Tensor Sparse
-
-
-
INT8
-
299.34 TOPS Tensor
598.67 TOPS Tensor Sparse
INT8
21.77 TOPS
-
-
INT32
18.71 TOPS
-
-
Ray Tracing
73.1 TOPS
-
-
Pixel Fillrate
194.88 GPixel/s
Pixel Fillrate
68.032 GPixel/s
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-
-
-
Texture Fillrate
584.64 GTexel/s
Texture Fillrate
170.08 GTexel/s
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Ampere
Architecture
Pascal
Family
Server
Family
Tesla P
Codename
NV172
GA102
Variant
GA102-895-A1
Codename
NV134
GP104
Variant
GP104-895-A1
Market Segment
Server
Market Segment
Server
Release Date
10/5/2020
Release Date
9/13/2016
Foundry
Samsung
-
Foundry
TSMC
-
Fabrication Node
8N
-
Fabrication Node
16FF
-
Die Size
628 mm²
-
Die Size
314 mm²
-
Transistor Count
28.3 Billion
-
Transistor Count
7.2 Billion
-
Transistor Density
45.04M/mm²
-
Transistor Density
22.93M/mm²
-
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
-
-
Ray-Tracing Cores
84 RT-Cores
-
-
Streaming Multiprocessors
84 SMs
Streaming Multiprocessors
20 SMs
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1305MHz Base
1740MHz
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810MHz Base
1063MHz
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L1
64KB/SM Tex
128KB/SM
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-
L1
-
48KB/SM
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-
L2
6MB Shared
L2
2MB Shared
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-
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48GB
GDDR6
-
8GB
GDDR5
-
Bus Width
384Bit
Bus Width
256Bit
Clock
906MHz
Transfer Rate
7.2GT/s
Bandwidth
347.9GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
192GB/s
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TDP
300W
TDP
75W
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-
-
-
-
-
-
-
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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
2x NVENC 4
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
NVDEC 5
Model
NVDEC 3
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
Shader Model
6.6
CUDA
8.6
-
-
PureVideo HD
VP11
VDPAU
Feature Set K
Shader Model
6.7
CUDA
6.1
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-
PureVideo HD
VP8
VDPAU
Feature Set H
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Power Connectors
-
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1x 8-Pin EPS
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-
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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
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-
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