AMD Radeon RX 580 vs AMD Radeon RX Vega 56 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Apr 2017
Jun 2018
Generation
Polaris
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
1138 MHz
Boost Clock
1340 MHz
1301 MHz
Memory Clock
2000 MHz
800 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
2048bit
Bandwidth
256.0GB/s
409.6GB/s
Render Config
Compute Units
36
56
Shading Units
2304
3584
TMUs
144
224
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
4 MB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
83.26 GPixel/s
Texture Rate
193.0 GTexel/s
291.4 GTexel/s
FP16 (half)
6.175 TFLOPS
18.65 TFLOPS
FP32 (float)
6.175 TFLOPS
9.326 TFLOPS
FP64 (double)
385.9 GFLOPS
582.8 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Vega 10
GPU Variant
Polaris 20 XTX(215-0910038)
Vega 10 XL(215-0894216)
Architecture
GCN 4.0
GCN 5.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
5.7 billion
12.5 billion
Die Size
232 mm²
495 mm²
Board Design
TDP
185W
120W
Suggested PSU
450 W
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.