AMD Steam Machine GPU vs AMD Radeon RX 6800
GPU · Specs Compare
Graphics Card
Release Date
Jan 2026
Oct 2020
Generation
Console GPU
Navi II
Type
Desktop
Desktop
Bus Interface
—
PCIe 4.0 x16
Clock Speeds
Base Clock
1720 MHz
1700 MHz
Boost Clock
2450 MHz
2105 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
288.0GB/s
512.0GB/s
Render Config
Compute Units
28
60
Shading Units
1792
3840
TMUs
112
240
ROPs
64
96
RT Cores
28
60
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
202.1 GPixel/s
Texture Rate
274.4 GTexel/s
505.2 GTexel/s
FP16 (half)
35.12 TFLOPS
32.33 TFLOPS
FP32 (float)
17.56 TFLOPS
16.17 TFLOPS
FP64 (double)
548.8 GFLOPS
1010 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 XL(215-121000187)
Board Design
TDP
110W
250W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
—
600 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
Benchmark
3DMark Time Spy
—
16,182
3DMark Time Spy Extreme
—
7,771
3DMark Speed Way
—
3,062
▲ Specs Compare
Data sourced from official specifications and benchmark tests.