AMD Radeon RX 560 896SP vs AMD Radeon HD 7870 GHz Edition
GPU Specs Compare
Graphics Card
Release Date
Jul 2017
Mar 2012
Generation
Polaris
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1090 MHz
-
Boost Clock
1175 MHz
-
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
112.0GB/s
153.6GB/s
Render Config
Compute Units
14
20
Shading Units
896
1280
TMUs
56
80
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
18.80 GPixel/s
32.00 GPixel/s
Texture Rate
65.80 GTexel/s
80.00 GTexel/s
FP16 (half)
2.106 TFLOPS
-
FP32 (float)
2.106 TFLOPS
2.560 TFLOPS
FP64 (double)
131.6 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Polaris 21
Pitcairn
GPU Variant
Polaris 21 XL
Pitcairn XT(215-0828047)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
2.8 billion
Die Size
123 mm²
212 mm²
Board Design
TDP
45W
175W
Suggested PSU
200 W
450 W
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-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