AMD Radeon HD 6970 vs AMD Radeon Pro 560
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Apr 2017
Generation
Northern Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x8
Clock Speeds
Memory Clock
1375 MHz
1270 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
176.0GB/s
81.28GB/s
Render Config
Compute Units
24
16
Shading Units
1536
1024
TMUs
96
64
ROPs
32
16
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
28.16 GPixel/s
14.51 GPixel/s
Texture Rate
84.48 GTexel/s
58.05 GTexel/s
FP32 (float)
2.703 TFLOPS
1.858 TFLOPS
FP64 (double)
675.8 GFLOPS
116.1 GFLOPS
FP16 (half)
—
1.858 TFLOPS
Graphics Processor
GPU Name
Cayman
Polaris 21
GPU Variant
Cayman XT(215-0807007)
Polaris 21 XT(215-0908004)
Architecture
TeraScale 3
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.64 billion
3 billion
Die Size
389 mm²
123 mm²
Board Design
TDP
250W
75W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.2
Shader Model
5.0
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.