ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 6870 1600SP Edition
GPU Specs Compare
Graphics Card
Release Date
Jun 2010
Jan 2013
Generation
Evergreen
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1195 MHz
1050 MHz
Memory
Memory Size
1024MB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.0GB/s
134.4GB/s
Render Config
Compute Units
20
20
Shading Units
1600
1600
TMUs
80
80
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
27.20 GPixel/s
Texture Rate
68.00 GTexel/s
68.00 GTexel/s
FP32 (float)
2.720 TFLOPS
2.720 TFLOPS
FP64 (double)
544.0 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Cypress
Cypress
GPU Variant
Cypress XT(215-0735033)
Cypress XT(215-0735033)
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
228W
175W
Suggested PSU
550 W
450 W
Outputs
1x DVI2x mini-DisplayPort 1.1
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
2x 6-pin
2x 6-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