Product Compare

AMD Steam Machine GPU vs AMD Radeon RX 8800 XT

GPU GPU
Graphics Card
Release Date Jan 2026 Unknown
Generation Console GPU Navi IV(RX 8000)
Type Desktop Desktop
Bus Interface PCIe 4.0 x16
Clock Speeds
Base Clock 1720 MHz 1295 MHz
Boost Clock 2450 MHz 2430 MHz
Memory Clock 2250 MHz 2438 MHz
Memory
Memory Size 8GB 16GB
Memory Type GDDR6 GDDR6
Memory Bus 128bit 256bit
Bandwidth 288.0GB/s 624.1GB/s
Render Config
Compute Units 28 64
Shading Units 1792 4096
TMUs 112 256
ROPs 64 96
RT Cores 28 64
L1 Cache 128 KB per Array 128 KB per Array
L2 Cache 2 MB 4 MB
L3 Cache 32 MB 64 MB
Theoretical Performance
Pixel Rate 156.8 GPixel/s 233.3 GPixel/s
Texture Rate 274.4 GTexel/s 622.1 GTexel/s
FP16 (half) 35.12 TFLOPS 39.81 TFLOPS
FP32 (float) 17.56 TFLOPS 19.91 TFLOPS
FP64 (double) 548.8 GFLOPS 622.1 GFLOPS
Graphics Processor
GPU Name Navi 33 Navi 48
Architecture RDNA 3.0 RDNA 4.0
Foundry TSMC TSMC
Process Size 6 nm 4 nm
Transistors 13.3 billion Unknown
Die Size 204 mm² Unknown
GPU Variant Navi 48 XT
Board Design
TDP 110W 220W
Outputs No outputs 1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors None 2x 8-pin
Suggested PSU 550 W
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.2 2.2
Vulkan 1.4 1.3
Shader Model 6.8 6.8