NVIDIA Rubin GPU vs AMD Radeon Instinct MI350X
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Jun 2025
Generation
Server Rubin
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
700 MHz
1000 MHz
Boost Clock
2267 MHz
2200 MHz
Memory Clock
2695 MHz
2000 MHz
Memory
Memory Size
288GB
288GB
Memory Type
HBM4
HBM3e
Memory Bus
16384bit
8192bit
Bandwidth
22.1TB/s
8.19TB/s
Render Config
SM Count
224
-
Shading Units
28672
16384
TMUs
896
1024
ROPs
24
0
Tensor Cores
896
1024
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
128 MB
16 MB
Compute Units
-
256
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
54.41 GPixel/s
0 MPixel/s
Texture Rate
2031.2 GTexel/s
2252.8 GTexel/s
FP16 (half)
260.0 TFLOPS
72.09 TFLOPS
FP32 (float)
130.0 TFLOPS
72.09 TFLOPS
FP64 (double)
32.50 TFLOPS
36.04 TFLOPS
Graphics Processor
GPU Name
GR100
MI350 256CU
Architecture
Rubin
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
3 nm
3 nm
Transistors
336 billion
185 billion
Die Size
1456 mm²
Unknown
Board Design
TDP
2300W
1000W
Suggested PSU
2700 W
1400 W
Outputs
No outputs
No outputs
Power Connectors
-
None
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
10.7
-
Shader Model
N/A
N/A