AMD Radeon RX 560X Mobile vs AMD Radeon R9 390 X2
GPU Specs Compare
Graphics Card
Release Date
Jan 2019
Sep 2015
Generation
Mobility Radeon
Pirate Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1750 MHz
1350 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
512bit
Bandwidth
112.0GB/s
345.6GB/s
Render Config
Compute Units
14
40
Shading Units
896
2560
TMUs
56
160
ROPs
16
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
1024 KB
Theoretical Performance
Pixel Rate
19.57 GPixel/s
64.00 GPixel/s
Texture Rate
68.49 GTexel/s
160.0 GTexel/s
FP16 (half)
2.192 TFLOPS
-
FP32 (float)
2.192 TFLOPS
5.120 TFLOPS
FP64 (double)
137.0 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Polaris 31
Grenada
GPU Variant
Polaris 31 MXL
Grenada PRO(215-0880030)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
6.2 billion
Die Size
123 mm²
438 mm²
Board Design
TDP
65W
580W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
4x 8-pin
Suggested PSU
-
950 W
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3