AMD Instinct MI355X vs AMD Instinct MI300A
AMD Instinct MI355X
AMD Instinct MI300A
|
16384 Shaders
288GB HBM3e
2400MHz
|
14592 Shaders
128GB HBM3
2100MHz
|
|
Peak AI Performance
20.13 PFLOPS
FP4 Tensor Sparse
|
Peak AI Performance
3.92 POPS
INT4 Tensor Sparse
|
|
FP32
157.29 TFLOPS
|
FP32
122.57 TFLOPS
|
|
FP16
157.29 TFLOPS
|
FP16
122.57 TFLOPS
|
|
Form Factor
OAM Module
-
|
Form Factor
APU SH5 Socket
-
|
|
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%
|
|
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
3.92 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
|
FP8
-
1.96 PFLOPS
Tensor (FP16 Accumulate)
3.92 PFLOPS
Tensor (FP16 Accumulate) Sparse
1.96 PFLOPS
Tensor (FP32 Accumulate)
3.92 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
122.57 TFLOPS
980.58 TFLOPS
Tensor (FP16 Accumulate)
1.96 PFLOPS
Tensor (FP16 Accumulate) Sparse
980.58 TFLOPS
Tensor (FP32 Accumulate)
1.96 PFLOPS
Tensor (FP32 Accumulate) Sparse
|
|
FP32
157.29 TFLOPS
157.29 TFLOPS
Tensor
314.57 TFLOPS
Tensor Sparse
|
FP32
122.57 TFLOPS
122.57 TFLOPS
Tensor
245.15 TFLOPS
Tensor Sparse
|
|
FP64
78.64 TFLOPS
78.64 TFLOPS
Tensor
|
FP64
61.29 TFLOPS
122.57 TFLOPS
Tensor
|
|
BF16
-
2.52 PFLOPS
Tensor
5.03 PFLOPS
Tensor Sparse
|
BF16
-
980.58 TFLOPS
Tensor
1.96 PFLOPS
Tensor Sparse
|
|
-
-
-
|
TF32
490.29 TFLOPS
Tensor
980.58 TFLOPS
Tensor Sparse
|
|
INT4
5.03 POPS
Tensor
10.07 POPS
Tensor Sparse
|
INT4
1.96 POPS
Tensor
3.92 POPS
Tensor Sparse
|
|
INT8
-
5.03 POPS
Tensor
10.07 POPS
Tensor Sparse
|
INT8
-
1.96 POPS
Tensor
3.92 POPS
Tensor Sparse
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel
Fillrate
-
|
Pixel
Fillrate
-
|
|
-
-
|
-
-
|
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Texture
Fillrate
-
|
Texture
Fillrate
1915.2 GTexel/s
|
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
CDNA 4
|
Architecture
CDNA 3
|
|
Family
Instinct
|
Family
Instinct
|
|
Codename
CDNA Next
-
-
-
|
Codename
Aqua Vanjaram
Aqua Vanjaram XT
Variant
Aqua Vanjaram XT
|
|
Market Segment
Server
|
Market Segment
Server
|
|
Release Date
6/12/2025
|
Release Date
12/6/2023
|
|
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
3x 370 mm²
-
|
|
Transistor Count
8x 17.4 Billion
2x 23 Billion IO Die
|
Transistor Count
3x 36.5 Billion
-
|
|
Transistor Density
96.13M/mm²
-
|
Transistor Density
98.65M/mm²
-
|
|
Form
OAM Module
|
Form
APU SH5 Socket
|
|
Shading Units
16384 Shaders
-
|
Shading Units
14592 Shaders
-
|
|
Texture Mapping Units
-
|
Texture Mapping Units
912 TMUs
|
|
Render Output Units
-
|
Render Output Units
-
|
|
Tensor Cores
1024 T-Cores
|
Tensor Cores
912 T-Cores
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
256 CUs
|
Compute Units
228 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
2400MHz
|
-
-
1000MHz Base
2100MHz
|
|
-
-
|
-
-
|
|
L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
16MB Shared
|
L2
16MB Shared
|
|
L3
256MB Shared
-
|
L3
192MB Shared
-
|
|
288GB
HBM3e
ECC
|
128GB
HBM3
ECC
|
|
Bus Width
8192Bit
|
Bus Width
8192Bit
|
|
Clock
3906MHz
Transfer Rate
7.8GT/s
Bandwidth
8000.1GB/s
|
Clock
2600MHz
Transfer Rate
5.2GT/s
Bandwidth
5324.8GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
1400W
|
TDP
560W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
OpenCL
3.0
-
-
|
-
-
OpenCL
3.0
-
-
|
|
-
-
-
-
GFX
9.4
-
-
-
-
|
-
-
-
-
GFX
9.4
-
-
-
-
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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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