AMD Instinct MI355X vs AMD Instinct MI325X
AMD Instinct MI355X
AMD Instinct MI325X
|
16384 Shaders
288GB HBM3e
2400MHz
|
19456 Shaders
288GB HBM3e
2100MHz
|
|
Peak AI Performance
20.13 PFLOPS
FP4 Tensor Sparse
|
Peak AI Performance
5.23 POPS
INT8 Tensor Sparse
|
|
FP32
157.29 TFLOPS
|
FP32
163.43 TFLOPS
|
|
FP16
157.29 TFLOPS
|
FP16
326.86 TFLOPS
|
|
Form Factor
OAM Module
-
|
Form Factor
OAM Module
-
|
|
TDP
1400W
|
TDP
560W
|
|
-
-
-
-
-
|
-
-
-
-
-
|
|
GB6 OpenCL N/A
0%
|
GB6 OpenCL N/A
0%
|
|
GB6 Metal N/A
0%
|
GB6 Metal N/A
0%
|
|
GB6 Vulkan 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%
|
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OCT 2020.1 N/A
0%
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OCT 2020.1 N/A
0%
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OCT Metal N/A
0%
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OCT Metal N/A
0%
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Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
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Architecture
CDNA 4
|
Architecture
CDNA 3
|
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Family
Instinct
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Family
Instinct
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Codename
CDNA Next
-
-
-
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Codename
Aqua Vanjaram
Aqua Vanjaram XTX
Variant
Aqua Vanjaram XTX
|
|
Market Segment
Server
|
Market Segment
Server
|
|
Release Date
6/12/2025
|
Release Date
6/2/2024
|
|
Foundry
TSMC
TSMC IO Die
|
Foundry
TSMC
TSMC Active Interposer Die
|
|
Fabrication Node
N3P
N6 IO Die
|
Fabrication Node
N5
N6 Active Interposer Die
|
|
Die Size
8x 181 mm²
-
|
Die Size
4x 370 mm²
-
|
|
Transistor Count
8x 17.4 Billion
2x 23 Billion IO Die
|
Transistor Count
4x 36.5 Billion
-
|
|
Transistor Density
96.13M/mm²
-
|
Transistor Density
98.65M/mm²
-
|
|
Form
OAM Module
|
Form
OAM Module
|
|
Shading Units
16384 Shaders
-
|
Shading Units
19456 Shaders
-
|
|
Texture Mapping Units
-
|
Texture Mapping Units
1216 TMUs
|
|
Render Output Units
-
|
Render Output Units
-
|
|
Tensor Cores
1024 T-Cores
|
Tensor Cores
1216 T-Cores
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
256 CUs
|
Compute Units
304 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
2400MHz
|
-
-
1000MHz Base
2100MHz
|
|
Peak AI Performance
20.13 PFLOPS
FP4 Tensor Sparse
|
Peak AI Performance
5.23 POPS
INT8 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
|
FP8
-
2.61 PFLOPS Tensor (FP16 Accumulate)
5.23 PFLOPS Tensor (FP16 Accumulate) Sparse
2.61 PFLOPS Tensor (FP32 Accumulate)
5.23 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
326.86 TFLOPS
1.31 PFLOPS Tensor (FP16 Accumulate)
2.61 PFLOPS Tensor (FP16 Accumulate) Sparse
1.31 PFLOPS Tensor (FP32 Accumulate)
2.61 PFLOPS Tensor (FP32 Accumulate) Sparse
|
|
FP32
157.29 TFLOPS
157.29 TFLOPS Tensor
314.57 TFLOPS Tensor Sparse
|
FP32
163.43 TFLOPS
163.43 TFLOPS Tensor
326.86 TFLOPS Tensor Sparse
|
|
FP64
78.64 TFLOPS
78.64 TFLOPS Tensor
|
FP64
81.72 TFLOPS
163.43 TFLOPS Tensor
|
|
BF16
-
2.52 PFLOPS Tensor
5.03 PFLOPS Tensor Sparse
|
BF16
-
1.31 PFLOPS Tensor
2.61 PFLOPS Tensor Sparse
|
|
-
-
-
|
TF32
653.72 TFLOPS Tensor
1.31 PFLOPS Tensor Sparse
|
|
INT4
5.03 POPS Tensor
10.07 POPS Tensor Sparse
|
-
-
-
|
|
INT8
-
5.03 POPS Tensor
10.07 POPS Tensor Sparse
|
INT8
-
2.61 POPS Tensor
5.23 POPS Tensor Sparse
|
|
-
-
|
-
-
|
|
-
-
|
-
-
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Pixel Fillrate
-
|
Pixel Fillrate
-
|
|
-
-
|
-
-
|
|
Texture Fillrate
-
|
Texture Fillrate
2553.6 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
16MB Shared
|
L2
16MB Shared
|
|
L3
256MB Shared
-
|
L3
256MB Shared
-
|
|
288GB
HBM3e
ECC
|
288GB
HBM3e
ECC
|
|
Bus Width
8192Bit
|
Bus Width
8192Bit
|
|
Clock
3906MHz
Transfer Rate
7.8GT/s
Bandwidth
8000GB/s
|
Clock
2933MHz
Transfer Rate
5.9GT/s
Bandwidth
6006.8GB/s
|
|
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
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|
TDP
1400W
|
TDP
560W
|
|
-
-
|
-
-
|
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-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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No Ports
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
|
|
Max Resolution
Unknown
|
Max Resolution
Unknown
|
|
Max Resolution Refresh Rate
-
|
Max Resolution Refresh Rate
-
|
|
Variable Refresh Rate
-
-
-
|
Variable Refresh Rate
-
-
-
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
Unknown
|
Multi Monitor Support
Unknown
|
|
-
-
|
-
-
|
|
Model
4x VCN 4.0
|
Model
2x VCN 2.6
|
|
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Model
4x VCN 4.0
|
No Decoders
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
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-
-
OpenCL
3.0
-
-
|
-
-
OpenCL
3.0
-
-
|
|
-
-
-
-
GFX
9.4
-
-
-
-
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-
-
-
-
GFX
9.4
-
-
-
-
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-
-
-
-
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-
-
-
-
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-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
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-
-
PCIe Version
5.0
PCIe Lanes
16
|
-
-
PCIe Version
5.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
Infinity Fabric
|
Multi GPU Support
Supported
Type
Infinity Fabric
|
|
-
-
-
-
-
-
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