Radeon Pro Duo Polaris vs Radeon R9 390 X2
We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon Pro Duo Polaris 's Advantages
Released 1 years and 7 months late
More VRAM (16GB vs 8GB)
Lower TDP (250W vs 580W)
Radeon R9 390 X2 's Advantages
Larger VRAM bandwidth (345.6GB/s vs 224.0GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Pro Duo Polaris
+11%
5728
Radeon R9 390 X2
5120
Graphics Card
Apr 2017
Release Date
Sep 2015
Radeon Pro GCN
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1750 MHz
Memory Clock
1350 MHz
Memory
16GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
512bit
224.0GB/s
Bandwidth
345.6GB/s
Render Config
36
Compute Units
40
2304
Shading Units
2560
144
TMUs
160
32
ROPs
64
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
Theoretical Performance
39.78 GPixel/s
Pixel Rate
64.00 GPixel/s
179.0 GTexel/s
Texture Rate
160.0 GTexel/s
5.728 TFLOPS
FP16 (half)
-
5.728 TFLOPS
FP32 (float)
5.120 TFLOPS
358.0 GFLOPS
FP64 (double)
640.0 GFLOPS
Board Design
250W
TDP
580W
600 W
Suggested PSU
950 W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
4x 8-pin
Graphics Processor
Ellesmere
GPU Name
Grenada
Ellesmere Gemini GL
GPU Variant
Grenada PRO
(215-0880030)
GCN 4.0
Architecture
GCN 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
6.2 billion
232 mm²
Die Size
438 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.3
Vulkan
1.2
6.7
Shader Model
6.3
