AMD Instinct MI355X vs NVIDIA A40
AMD Instinct MI355X
NVIDIA A40
|
16384 Shaders
288GB HBM3e
2400MHz
|
10752 Shaders
48GB GDDR6
1740MHz
|
|
Peak AI Performance
20.13 PFLOPS
FP4 Tensor Sparse
|
Peak AI Performance
1.2 POPS
INT4 Tensor Sparse
|
|
FP32
157.29 TFLOPS
|
FP32
37.42 TFLOPS
|
|
FP16
157.29 TFLOPS
|
FP16
37.42 TFLOPS
|
|
Form Factor
OAM Module
-
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
1400W
|
TDP
300W
|
|
-
-
-
-
-
|
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
20.13 PFLOPS
FP4 Tensor Sparse
|
Peak AI
Performance
1.2 POPS
INT4 Tensor Sparse
|
|
FP4
10.07 PFLOPS
Tensor
20.13 PFLOPS
Tensor Sparse
|
-
-
-
|
|
FP8
-
5.03 PFLOPS
Tensor (FP16 Accumulate)
10.07 PFLOPS
Tensor (FP16 Accumulate) Sparse
5.03 PFLOPS
Tensor (FP32 Accumulate)
10.07 PFLOPS
Tensor (FP32 Accumulate) Sparse
|
-
-
-
-
-
-
|
|
FP16
157.29 TFLOPS
2.52 PFLOPS
Tensor (FP16 Accumulate)
5.03 PFLOPS
Tensor (FP16 Accumulate) Sparse
2.52 PFLOPS
Tensor (FP32 Accumulate)
5.03 PFLOPS
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
157.29 TFLOPS
157.29 TFLOPS
Tensor
314.57 TFLOPS
Tensor Sparse
|
FP32
37.42 TFLOPS
-
-
|
|
FP64
78.64 TFLOPS
78.64 TFLOPS
Tensor
|
FP64
590 GFLOPS
-
|
|
BF16
-
2.52 PFLOPS
Tensor
5.03 PFLOPS
Tensor Sparse
|
BF16
37.42 TFLOPS
149.67 TFLOPS
Tensor
299.34 TFLOPS
Tensor Sparse
|
|
-
-
-
|
TF32
74.83 TFLOPS
Tensor
149.67 TFLOPS
Tensor Sparse
|
|
INT4
5.03 POPS
Tensor
10.07 POPS
Tensor Sparse
|
INT4
598.67 TOPS
Tensor
1.2 POPS
Tensor Sparse
|
|
INT8
-
5.03 POPS
Tensor
10.07 POPS
Tensor Sparse
|
INT8
-
299.34 TOPS
Tensor
598.67 TOPS
Tensor Sparse
|
|
-
-
|
INT32
18.71 TOPS
|
|
-
-
|
Ray Tracing
73.1 TOPS
|
|
Pixel
Fillrate
-
|
Pixel
Fillrate
194.88 GPixel/s
|
|
-
-
|
-
-
|
|
Texture
Fillrate
-
|
Texture
Fillrate
584.64 GTexel/s
|
|
Manufacturer
AMD
|
Manufacturer
NVIDIA
|
|
Chip Designer
AMD
|
Chip Designer
NVIDIA
|
|
Architecture
CDNA 4
|
Architecture
Ampere
|
|
Family
Instinct
|
Family
Server
|
|
Codename
CDNA Next
-
-
-
|
Codename
NV172
GA102
Variant
GA102-895-A1
|
|
Market Segment
Server
|
Market Segment
Server
|
|
Release Date
6/12/2025
|
Release Date
10/5/2020
|
|
Foundry
TSMC
TSMC IO Die
|
Foundry
Samsung
-
|
|
Fabrication Node
N3P
N6 IO Die
|
Fabrication Node
8N
-
|
|
Die Size
8x 181 mm²
-
|
Die Size
628 mm²
-
|
|
Transistor Count
8x 17.4 Billion
2x 23 Billion IO Die
|
Transistor Count
28.3 Billion
-
|
|
Transistor Density
96.13M/mm²
-
|
Transistor Density
45.04M/mm²
-
|
|
Form
OAM Module
|
Form
PCIe Card
|
|
Shading Units
16384 Shaders
-
|
Shading Units
10752 Shaders
-
|
|
Texture Mapping Units
-
|
Texture Mapping Units
336 TMUs
|
|
Render Output Units
-
|
Render Output Units
112 ROPs
|
|
Tensor Cores
1024 T-Cores
|
Tensor Cores
336 T-Cores
|
|
-
-
|
Ray-Tracing Cores
84 RT-Cores
|
|
-
-
|
Streaming Multiprocessors
84 SMs
|
|
Compute Units
256 CUs
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
2400MHz
|
-
-
1305MHz Base
1740MHz
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
64KB/SM Tex
128KB/SM
-
-
|
|
L2
16MB Shared
|
L2
6MB Shared
|
|
L3
256MB Shared
-
|
-
-
-
|
|
288GB
HBM3e
ECC
|
48GB
GDDR6
-
|
|
Bus Width
8192Bit
|
Bus Width
384Bit
|
|
Clock
3906MHz
Transfer Rate
7.8GT/s
Bandwidth
8000.1GB/s
|
Clock
906MHz
Transfer Rate
7.2GT/s
Bandwidth
347.9GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
1400W
|
TDP
300W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Max Resolution
Unknown
|
Max Resolution
7680x4320
|
|
Max Resolution Refresh Rate
-
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
-
-
|
Variable Refresh Rate
G-Sync
FreeSync
-
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Supported
|
|
Multi Monitor Support
Unknown
|
Multi Monitor Support
3
|
|
-
-
|
Content Protection
HDCP 2.3
|
|
Model
4x VCN 4.0
|
Model
NVENC 7
|
|
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Model
4x VCN 4.0
|
Model
NVDEC 5
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
|
-
-
-
-
|
Direct X
12
Direct 3D
12_2
|
|
-
-
OpenCL
3.0
-
-
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
|
|
-
-
-
-
GFX
9.4
-
-
-
-
|
Shader Model
6.6
CUDA
8.6
-
-
PureVideo HD
VP11
VDPAU
Feature Set K
|
|
-
-
-
-
|
-
-
-
-
|
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-
-
-
-
-
-
-
-
|
Power Connectors
-
-
-
-
1x 8-Pin EPS
-
-
|
|
-
-
PCIe Version
5.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
Infinity Fabric
|
Multi GPU Support
Supported
Type
NVLink
|
|
-
-
-
-
-
-
|
Height
112 mm (4.41 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
|
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