ATI Radeon HD 5850 vs AMD Radeon HD 7970 X2
GPU Specs Compare
Graphics Card
Release Date
Sep 2009
Aug 2012
Generation
Evergreen
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1375 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
128.0GB/s
264.0GB/s
Render Config
Compute Units
18
32
Shading Units
1440
2048
TMUs
72
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
29.60 GPixel/s
Texture Rate
52.20 GTexel/s
118.4 GTexel/s
FP32 (float)
2.088 TFLOPS
3.789 TFLOPS
FP64 (double)
417.6 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Cypress
New Zealand
GPU Variant
Cypress PRO(215-0735043)
-
Architecture
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
4.313 billion
Die Size
334 mm²
352 mm²
Board Design
TDP
151W
500W
Suggested PSU
450 W
900 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
3x 8-pin
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