AMD Radeon R9 390 vs AMD Radeon Pro Vega II
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Jun 2019
Generation
Pirate Islands
Radeon Pro Mac
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
Apple MPX
Clock Speeds
Memory Clock
1500 MHz
806 MHz
Base Clock
—
1574 MHz
Boost Clock
—
1720 MHz
Memory
Memory Size
8GB
32GB
Memory Type
GDDR5
HBM2
Memory Bus
512bit
4096bit
Bandwidth
384.0GB/s
825.3GB/s
Render Config
Compute Units
40
64
Shading Units
2560
4096
TMUs
160
256
ROPs
64
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
4 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
110.1 GPixel/s
Texture Rate
160.0 GTexel/s
440.3 GTexel/s
FP32 (float)
5.120 TFLOPS
14.09 TFLOPS
FP64 (double)
640.0 GFLOPS
7.045 TFLOPS
FP16 (half)
—
28.18 TFLOPS
Graphics Processor
GPU Name
Grenada
Vega 20
GPU Variant
Grenada PRO(215-0880030)
Vega 20 XT
Architecture
GCN 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
6.2 billion
13.23 billion
Die Size
438 mm²
331 mm²
Board Design
TDP
275W
475W
Suggested PSU
600 W
850 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.0b4x Thunderbolt
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.7
Benchmark
3DMark Time Spy
3,964
—
3DMark Time Spy Extreme
1,931
—
Blender
—
832
▲ Specs Compare
Data sourced from official specifications and benchmark tests.