AMD Steam Deck OLED GPU vs AMD Radeon Pro Vega 20
GPU · Specs Compare
Graphics Card
Release Date
Nov 2023
Nov 2018
Generation
Console GPU
Radeon Pro Mac
Type
Game console
Mobile
Bus Interface
—
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
815 MHz
Boost Clock
1600 MHz
1283 MHz
Memory Clock
1375 MHz
740 MHz
Memory
Memory Size
16GB
4GB
Memory Type
LPDDR5
HBM2
Memory Bus
128bit
1024bit
Bandwidth
88.00GB/s
189.4GB/s
Render Config
Compute Units
8
20
Shading Units
512
1280
TMUs
32
80
ROPs
16
32
RT Cores
8
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
1024 KB
L3 Cache
8 MB
—
Theoretical Performance
Pixel Rate
25.60 GPixel/s
41.06 GPixel/s
Texture Rate
51.20 GTexel/s
102.6 GTexel/s
FP16 (half)
3.277 TFLOPS
6.569 TFLOPS
FP32 (float)
1.638 TFLOPS
3.284 TFLOPS
FP64 (double)
102.4 GFLOPS
205.3 GFLOPS
Graphics Processor
GPU Name
Sephiroth
Vega 12
Architecture
RDNA 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
2.4 billion
Unknown
Die Size
131 mm²
Unknown
GPU Variant
—
Vega 12 XTA
Board Design
TDP
15W
100W
Outputs
1x USB Type-C
No outputs
Graphics Features
DirectX
12 (12_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.5
6.3
Benchmark
3DMark Time Spy
—
2,596
3DMark Time Spy Extreme
—
1,211
▲ Specs Compare
Data sourced from official specifications and benchmark tests.