AMD Radeon RX 560X Mobile vs AMD Radeon RX 455 OEM
GPU · Specs Compare
Graphics Card
Release Date
Jan 2019
Jun 2016
Generation
Mobility Radeon
Arctic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1750 MHz
1625 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
112.0GB/s
104.0GB/s
Render Config
Compute Units
14
12
Shading Units
896
768
TMUs
56
48
ROPs
16
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Theoretical Performance
Pixel Rate
19.57 GPixel/s
16.80 GPixel/s
Texture Rate
68.49 GTexel/s
50.40 GTexel/s
FP16 (half)
2.192 TFLOPS
—
FP32 (float)
2.192 TFLOPS
1.613 TFLOPS
FP64 (double)
137.0 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
Polaris 31
Tobago
GPU Variant
Polaris 31 MXL
Tobago PRO(215-0875010)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
2.08 billion
Die Size
123 mm²
160 mm²
Board Design
TDP
65W
100W
Outputs
No outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
300 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.