AMD Radeon E9390 PCIe vs AMD Steam Machine GPU

GPU Specs Compare

Graphics Card

Release Date
Oct 2019
Jan 2026
Generation
Embedded
Console GPU
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
-

Clock Speeds

Base Clock
713 MHz
1720 MHz
Boost Clock
1089 MHz
2450 MHz
Memory Clock
1250 MHz
2250 MHz

Memory

Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
288.0GB/s

Render Config

Compute Units
28
28
Shading Units
1792
1792
TMUs
112
112
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
2 MB
RT Cores
-
28
L3 Cache
-
32 MB

Theoretical Performance

Pixel Rate
34.85 GPixel/s
156.8 GPixel/s
Texture Rate
122.0 GTexel/s
274.4 GTexel/s
FP16 (half)
3.903 TFLOPS
35.12 TFLOPS
FP32 (float)
3.903 TFLOPS
17.56 TFLOPS
FP64 (double)
243.9 GFLOPS
548.8 GFLOPS

Graphics Processor

GPU Name
Ellesmere
Navi 33
Architecture
GCN 4.0
RDNA 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
6 nm
Transistors
5.7 billion
13.3 billion
Die Size
232 mm²
204 mm²

Board Design

TDP
75W
110W
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
None
None

Graphics Features

DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.2
1.4
Shader Model
6.4
6.8