Radeon HD 5870 Eyefinity 6 vs Radeon HD 6850 X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 5870 Eyefinity 6 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 134.4GB/s)
640 additional rendering cores
Lower TDP (228W vs 254W)
Radeon HD 6850 X2 's Advantages
Released 1 years and 6 months late
Score
Benchmark
FP32 (float)
Radeon HD 5870 Eyefinity 6
+77%
2720
Radeon HD 6850 X2
1536
Graphics Card
Mar 2010
Release Date
Sep 2011
Evergreen
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1200 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
134.4GB/s
Render Config
20
Compute Units
12
1600
Shading Units
960
80
TMUs
48
32
ROPs
32
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
25.60 GPixel/s
68.00 GTexel/s
Texture Rate
38.40 GTexel/s
2.720 TFLOPS
FP32 (float)
1.536 TFLOPS
544.0 GFLOPS
FP64 (double)
-
Board Design
228W
TDP
254W
550 W
Suggested PSU
600 W
6x mini-DisplayPort 1.1
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Cypress
GPU Name
Barts
Cypress XT
(215-0735033)
GPU Variant
Barts PRO
(215-0798006)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.154 billion
Transistors
1.7 billion
334 mm²
Die Size
255 mm²
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
5.0
Shader Model
5.0
