AMD Radeon Pro 580 vs AMD Radeon HD 6970
GPU · Specs Compare
Graphics Card
Release Date
Jun 2017
Dec 2010
Generation
Radeon Pro Mac
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1100 MHz
—
Boost Clock
1200 MHz
—
Memory Clock
1695 MHz
1375 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
217.0GB/s
176.0GB/s
Render Config
Compute Units
36
24
Shading Units
2304
1536
TMUs
144
96
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
38.40 GPixel/s
28.16 GPixel/s
Texture Rate
172.8 GTexel/s
84.48 GTexel/s
FP16 (half)
5.530 TFLOPS
—
FP32 (float)
5.530 TFLOPS
2.703 TFLOPS
FP64 (double)
345.6 GFLOPS
675.8 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Cayman
GPU Variant
Ellesmere XTA(216-0886220)
Cayman XT(215-0807007)
Architecture
GCN 4.0
TeraScale 3
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
5.7 billion
2.64 billion
Die Size
232 mm²
389 mm²
Board Design
TDP
185W
250W
Outputs
No outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0
Benchmark
3DMark Time Spy
3,791
—
3DMark Time Spy Extreme
1,684
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.