AMD Radeon Pro W6800X Duo vs NVIDIA Rubin GPU
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
Jan 2026
Generation
Radeon Pro Mac
Server Rubin
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 6.0 x16
Clock Speeds
Base Clock
1800 MHz
700 MHz
Boost Clock
1967 MHz
2267 MHz
Memory Clock
2000 MHz
2695 MHz
Memory
Memory Size
32GB
288GB
Memory Type
GDDR6
HBM4
Memory Bus
256bit
16384bit
Bandwidth
512.0GB/s
22.1TB/s
Render Config
Compute Units
60
—
Shading Units
3840
28672
TMUs
240
896
ROPs
96
24
RT Cores
60
—
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
4 MB
128 MB
L3 Cache
128 MB
—
SM Count
—
224
Tensor Cores
—
896
Theoretical Performance
Pixel Rate
188.8 GPixel/s
54.41 GPixel/s
Texture Rate
472.1 GTexel/s
2031.2 GTexel/s
FP16 (half)
30.21 TFLOPS
260.0 TFLOPS
FP32 (float)
15.11 TFLOPS
130.0 TFLOPS
FP64 (double)
944.2 GFLOPS
32.50 TFLOPS
Graphics Processor
GPU Name
Navi 21
GR100
GPU Variant
Navi 21 Pro-XLA
—
Architecture
RDNA 2.0
Rubin
Foundry
TSMC
TSMC
Process Size
7 nm
3 nm
Transistors
26.8 billion
336 billion
Die Size
520 mm²
1456 mm²
Board Design
TDP
400W
2300W
Suggested PSU
800 W
2700 W
Outputs
1x HDMI 2.14x Thunderbolt
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.7
N/A
CUDA
—
10.7
Benchmark
Blender
1,422
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.