AMD Radeon Pro Duo Polaris vs AMD Radeon Pro Vega 20
GPU · Specs Compare
Graphics Card
Release Date
Apr 2017
Nov 2018
Generation
Radeon Pro GCN
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1750 MHz
740 MHz
Base Clock
—
815 MHz
Boost Clock
—
1283 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
1024bit
Bandwidth
224.0GB/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
39.78 GPixel/s
41.06 GPixel/s
Texture Rate
179.0 GTexel/s
102.6 GTexel/s
FP16 (half)
5.728 TFLOPS
6.569 TFLOPS
FP32 (float)
5.728 TFLOPS
3.284 TFLOPS
FP64 (double)
358.0 GFLOPS
205.3 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Vega 12
GPU Variant
Ellesmere Gemini GL
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
250W
100W
Suggested PSU
600 W
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
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
6.3
Benchmark
3DMark Time Spy
—
2,596
3DMark Time Spy Extreme
—
1,211
▲ Specs Compare
Data sourced from official specifications and benchmark tests.