AMD Radeon Pro W6800X Duo vs AMD Steam Machine GPU
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
Jan 2026
Generation
Radeon Pro Mac
Console GPU
Type
Desktop
Desktop
Bus Interface
Apple MPX
—
Clock Speeds
Base Clock
1800 MHz
1720 MHz
Boost Clock
1967 MHz
2450 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
32GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
128bit
Bandwidth
512.0GB/s
288.0GB/s
Render Config
Compute Units
60
28
Shading Units
3840
1792
TMUs
240
112
ROPs
96
64
RT Cores
60
28
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
32 MB
Theoretical Performance
Pixel Rate
188.8 GPixel/s
156.8 GPixel/s
Texture Rate
472.1 GTexel/s
274.4 GTexel/s
FP16 (half)
30.21 TFLOPS
35.12 TFLOPS
FP32 (float)
15.11 TFLOPS
17.56 TFLOPS
FP64 (double)
944.2 GFLOPS
548.8 GFLOPS
Graphics Processor
GPU Name
Navi 21
Navi 33
GPU Variant
Navi 21 Pro-XLA
—
Architecture
RDNA 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
6 nm
Transistors
26.8 billion
13.3 billion
Die Size
520 mm²
204 mm²
Board Design
TDP
400W
110W
Suggested PSU
800 W
—
Outputs
1x HDMI 2.14x Thunderbolt
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.3
1.4
Shader Model
6.7
6.8
Benchmark
Blender
1,422
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.