ATI Radeon HD 5970 vs AMD Radeon R9 M290X Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Nov 2009
Nov 2014
Generation
Evergreen
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1365 MHz
Base Clock
-
850 MHz
Boost Clock
-
975 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
174.7GB/s
Render Config
Compute Units
20
16
Shading Units
1600
1024
TMUs
80
64
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
31.20 GPixel/s
Texture Rate
58.00 GTexel/s
62.40 GTexel/s
FP32 (float)
2.320 TFLOPS
1.997 TFLOPS
FP64 (double)
464.0 GFLOPS
124.8 GFLOPS
Graphics Processor
GPU Name
Hemlock
Pitcairn
GPU Variant
Hemlock XT(215-0735075)
Pitcairn PRO(215-0828062)
Architecture
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
2.8 billion
Die Size
334 mm²
212 mm²
Board Design
TDP
294W
80W
Suggested PSU
600 W
-
Outputs
2x DVI1x mini-DisplayPort 1.1
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2
Shader Model
5.0
5.1