Product Compare

AMD Steam Machine GPU vs AMD Radeon RX 6600

GPU GPU
Graphics Card
Release Date Jan 2026 Oct 2021
Generation Console GPU Navi II
Type Desktop Desktop
Bus Interface PCIe 4.0 x8
Clock Speeds
Base Clock 1720 MHz 1626 MHz
Boost Clock 2450 MHz 2491 MHz
Memory Clock 2250 MHz 1750 MHz
Memory
Memory Size 8GB 8GB
Memory Type GDDR6 GDDR6
Memory Bus 128bit 128bit
Bandwidth 288.0GB/s 224.0GB/s
Render Config
Compute Units 28 28
Shading Units 1792 1792
TMUs 112 112
ROPs 64 64
RT Cores 28 28
L1 Cache 128 KB per Array 128 KB per Array
L2 Cache 2 MB 2 MB
L3 Cache 32 MB 32 MB
Theoretical Performance
Pixel Rate 156.8 GPixel/s 159.4 GPixel/s
Texture Rate 274.4 GTexel/s 279.0 GTexel/s
FP16 (half) 35.12 TFLOPS 17.86 TFLOPS
FP32 (float) 17.56 TFLOPS 8.928 TFLOPS
FP64 (double) 548.8 GFLOPS 558.0 GFLOPS
Graphics Processor
GPU Name Navi 33 Navi 23
Architecture RDNA 3.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 6 nm 7 nm
Transistors 13.3 billion 11.06 billion
Die Size 204 mm² 237 mm²
GPU Variant Navi 23 XL(215-130000016)
Board Design
TDP 110W 132W
Outputs No outputs 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors None 1x 8-pin
Suggested PSU 300 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