AMD Steam Machine GPU vs AMD Radeon RX 580G
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Oct 2018
Generation
Console GPU
Polaris
Type
Desktop
Desktop
Bus Interface
-
PCIe 3.0 x16
Clock Speeds
Base Clock
1720 MHz
1257 MHz
Boost Clock
2450 MHz
1330 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
288.0GB/s
256.0GB/s
Render Config
Compute Units
28
36
Shading Units
1792
2304
TMUs
112
144
ROPs
64
32
RT Cores
28
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
2 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
156.8 GPixel/s
42.56 GPixel/s
Texture Rate
274.4 GTexel/s
191.5 GTexel/s
FP16 (half)
35.12 TFLOPS
6.129 TFLOPS
FP32 (float)
17.56 TFLOPS
6.129 TFLOPS
FP64 (double)
548.8 GFLOPS
383.0 GFLOPS
Graphics Processor
GPU Name
Navi 33
Polaris 20
Architecture
RDNA 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
13.3 billion
5.7 billion
Die Size
204 mm²
232 mm²
GPU Variant
-
Polaris 20 XTX(215-0910038)
Board Design
TDP
110W
185W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.4
1.2
Shader Model
6.8
6.4