AMD Radeon RX 560X vs AMD Radeon R9 280
GPU · Specs Compare
Graphics Card
Release Date
Apr 2018
Mar 2014
Generation
Polaris
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1175 MHz
827 MHz
Boost Clock
1275 MHz
933 MHz
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
112.0GB/s
240.0GB/s
Render Config
Compute Units
16
28
Shading Units
1024
1792
TMUs
64
112
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
768 KB
Theoretical Performance
Pixel Rate
20.40 GPixel/s
29.86 GPixel/s
Texture Rate
81.60 GTexel/s
104.5 GTexel/s
FP16 (half)
2.611 TFLOPS
—
FP32 (float)
2.611 TFLOPS
3.344 TFLOPS
FP64 (double)
163.2 GFLOPS
836.0 GFLOPS
Graphics Processor
GPU Name
Polaris 21
Tahiti
GPU Variant
Polaris 21 XT(215-0908004)
Tahiti PRO3(215-0821330)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
4.313 billion
Die Size
123 mm²
352 mm²
Board Design
TDP
75W
200W
Suggested PSU
250 W
550 W
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x DVI2x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.