AMD Steam Machine GPU vs AMD Radeon Pro W6900X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2026
Aug 2021
Generation
Console GPU
Radeon Pro Mac
Type
Desktop
Desktop
Bus Interface
—
PCIe 4.0 x16
Clock Speeds
Base Clock
1720 MHz
1825 MHz
Boost Clock
2450 MHz
2150 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
8GB
32GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
288.0GB/s
512.0GB/s
Render Config
Compute Units
28
80
Shading Units
1792
5120
TMUs
112
320
ROPs
64
128
RT Cores
28
80
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
128 MB
Theoretical Performance
Pixel Rate
156.8 GPixel/s
275.2 GPixel/s
Texture Rate
274.4 GTexel/s
688.0 GTexel/s
FP16 (half)
35.12 TFLOPS
44.03 TFLOPS
FP32 (float)
17.56 TFLOPS
22.02 TFLOPS
FP64 (double)
548.8 GFLOPS
1376 GFLOPS
Graphics Processor
GPU Name
Navi 33
Navi 21
Architecture
RDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
7 nm
Transistors
13.3 billion
26.8 billion
Die Size
204 mm²
520 mm²
GPU Variant
—
Navi 21 Pro-XTA
Board Design
TDP
110W
300W
Outputs
No outputs
1x HDMI 2.14x Thunderbolt
Power Connectors
None
None
Suggested PSU
—
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.4
1.3
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.