AMD Radeon Instinct MI355X vs NVIDIA PG506 232
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Apr 2021
Generation
Radeon Instinct
Tesla
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
930 MHz
Boost Clock
2400 MHz
1440 MHz
Memory Clock
2000 MHz
1215 MHz
Memory
Memory Size
288GB
24GB
Memory Type
HBM3e
HBM2
Memory Bus
8192bit
3072bit
Bandwidth
8.19TB/s
933.1GB/s
Render Config
Compute Units
256
-
Shading Units
16384
3584
TMUs
1024
224
ROPs
0
96
Tensor Cores
1216
224
L1 Cache
32 KB (per CU)
192 KB (per SM)
L2 Cache
32 MB
24 MB
L3 Cache
256 MB
-
SM Count
-
56
Theoretical Performance
Pixel Rate
0 MPixel/s
138.2 GPixel/s
Texture Rate
2457.6 GTexel/s
322.6 GTexel/s
FP16 (half)
78.64 TFLOPS
10.32 TFLOPS
FP32 (float)
78.64 TFLOPS
10.32 TFLOPS
FP64 (double)
39.32 TFLOPS
5.161 TFLOPS
Graphics Processor
GPU Name
MI350 256CU
GA100
Architecture
CDNA 4.0
Ampere
Foundry
TSMC
TSMC
Process Size
3 nm
7 nm
Transistors
185 billion
54.2 billion
Die Size
Unknown
826 mm²
Board Design
TDP
1400W
165W
Suggested PSU
1800 W
450 W
Outputs
No outputs
No outputs
Power Connectors
None
8-pin EPS
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
Shader Model
N/A
N/A
CUDA
-
8.0