AMD Radeon Instinct MI350X vs AMD Radeon Pro W6900X
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Aug 2021
Generation
Radeon Instinct
Radeon Pro Mac
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
1825 MHz
Boost Clock
2200 MHz
2150 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
288GB
32GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
512.0GB/s
Render Config
Compute Units
256
80
Shading Units
16384
5120
TMUs
1024
320
ROPs
0
128
Tensor Cores
1024
-
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
16 MB
4 MB
L3 Cache
256 MB
128 MB
RT Cores
-
80
Theoretical Performance
Pixel Rate
0 MPixel/s
275.2 GPixel/s
Texture Rate
2252.8 GTexel/s
688.0 GTexel/s
FP16 (half)
72.09 TFLOPS
44.03 TFLOPS
FP32 (float)
72.09 TFLOPS
22.02 TFLOPS
FP64 (double)
36.04 TFLOPS
1376 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
Navi 21
Architecture
CDNA 4.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
3 nm
7 nm
Transistors
185 billion
26.8 billion
Die Size
Unknown
520 mm²
GPU Variant
-
Navi 21 Pro-XTA
Board Design
TDP
1000W
300W
Suggested PSU
1400 W
700 W
Outputs
No outputs
1x HDMI 2.14x Thunderbolt
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
Shader Model
N/A
6.5