AMD Radeon HD 6970 vs AMD Radeon Pro 580
GPU Specs Compare
Graphics Card
Release Date
Dec 2010
Jun 2017
Generation
Northern Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1695 MHz
Base Clock
-
1100 MHz
Boost Clock
-
1200 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
176.0GB/s
217.0GB/s
Render Config
Compute Units
24
36
Shading Units
1536
2304
TMUs
96
144
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
28.16 GPixel/s
38.40 GPixel/s
Texture Rate
84.48 GTexel/s
172.8 GTexel/s
FP32 (float)
2.703 TFLOPS
5.530 TFLOPS
FP64 (double)
675.8 GFLOPS
345.6 GFLOPS
FP16 (half)
-
5.530 TFLOPS
Graphics Processor
GPU Name
Cayman
Ellesmere
GPU Variant
Cayman XT(215-0807007)
Ellesmere XTA(216-0886220)
Architecture
TeraScale 3
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.64 billion
5.7 billion
Die Size
389 mm²
232 mm²
Board Design
TDP
250W
185W
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
📊 Benchmark
3DMark Time Spy
-
3,791
3DMark Time Spy Extreme
-
1,684