AMD Radeon RX 580G vs AMD Radeon Pro Vega 20
GPU · Specs Compare
Graphics Card
Release Date
Oct 2018
Nov 2018
Generation
Polaris
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
815 MHz
Boost Clock
1330 MHz
1283 MHz
Memory Clock
2000 MHz
740 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
1024bit
Bandwidth
256.0GB/s
189.4GB/s
Render Config
Compute Units
36
20
Shading Units
2304
1280
TMUs
144
80
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
1024 KB
Theoretical Performance
Pixel Rate
42.56 GPixel/s
41.06 GPixel/s
Texture Rate
191.5 GTexel/s
102.6 GTexel/s
FP16 (half)
6.129 TFLOPS
6.569 TFLOPS
FP32 (float)
6.129 TFLOPS
3.284 TFLOPS
FP64 (double)
383.0 GFLOPS
205.3 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Vega 12
GPU Variant
Polaris 20 XTX(215-0910038)
Vega 12 XTA
Architecture
GCN 4.0
GCN 5.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
5.7 billion
Unknown
Die Size
232 mm²
Unknown
Board Design
TDP
185W
100W
Suggested PSU
450 W
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
1x 8-pin
—
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.2
Shader Model
6.4
6.3
Benchmark
3DMark Time Spy
—
2,596
3DMark Time Spy Extreme
—
1,211
▲ Specs Compare
Data sourced from official specifications and benchmark tests.