AMD Radeon Pro 560X vs AMD Radeon RX 455 OEM
GPU · Specs Compare
Graphics Card
Release Date
Jul 2018
Jun 2016
Generation
Radeon Pro Mac
Arctic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Memory Clock
1470 MHz
1625 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
94.08GB/s
104.0GB/s
Render Config
Compute Units
16
12
Shading Units
1024
768
TMUs
64
48
ROPs
16
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Theoretical Performance
Pixel Rate
16.06 GPixel/s
16.80 GPixel/s
Texture Rate
64.26 GTexel/s
50.40 GTexel/s
FP16 (half)
2.056 TFLOPS
—
FP32 (float)
2.056 TFLOPS
1.613 TFLOPS
FP64 (double)
128.5 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
Polaris 21
Tobago
GPU Variant
Polaris 21 XT(215-0908004)
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
75W
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.