AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 5950
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Unknown
Generation
Northern Islands
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1050 MHz
1000 MHz
Memory
Memory Size
1024MB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
128.0GB/s
Render Config
Compute Units
20
18
Shading Units
1600
1440
TMUs
80
72
ROPs
32
32
L1 Cache
8 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
23.20 GPixel/s
Texture Rate
68.00 GTexel/s
52.20 GTexel/s
FP32 (float)
2.720 TFLOPS
2.088 TFLOPS
FP64 (double)
544.0 GFLOPS
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Graphics Processor
GPU Name
Cypress
Hemlock
GPU Variant
Cypress XT(215-0735033)
Hemlock PRO(215-0735443)
Architecture
TeraScale 2
TeraScale 2
Foundry
TSMC
TSMC
Process Size
40 nm
40 nm
Transistors
2.154 billion
2.154 billion
Die Size
334 mm²
334 mm²
Board Design
TDP
175W
302W
Suggested PSU
450 W
700 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
2x DVI1x mini-DisplayPort 1.1
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
11.2 (11_0)
OpenGL
4.4
4.4
OpenCL
1.2
1.2
Vulkan
N/A
N/A
Shader Model
5.0
5.0