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GPU Comparison
AMD Radeon HD 6870 X2 vs ATI Radeon X550 XT
AMD Radeon HD 6870 X2 vs ATI Radeon X550 XT
VS
AMD Radeon HD 6870 X2
ATI Radeon X550 XT
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 128MB VRAM Radeon X550 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870 X2 's Advantages
Released 4 years and 6 months late
More VRAM (1024GB vs 128GB)
Larger VRAM bandwidth (134.4GB/s vs 9.600GB/s)
1120 additional rendering cores
Score
Radeon HD 6870 X2
VS
Radeon X550 XT
Graphics Card
Jul 2011
Release Date
Jan 2007
Northern Islands
Generation
Radeon R300
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
-
-
-
-
-
1050 MHz
Memory Clock
300 MHz
Memory
1024MB
Memory Size
128MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
9.600GB/s
Render Config
14
Compute Units
-
-
-
-
1120
Shading Units
-
56
TMUs
4
32
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
-
-
-
-
Theoretical Performance
28.80 GPixel/s
Pixel Rate
1.600 GPixel/s
50.40 GTexel/s
Texture Rate
1.600 GTexel/s
-
-
-
2.016 TFLOPS
FP32 (float)
-
-
-
-
Board Design
300W
TDP
Unknown
700 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x VGA 1x S-Video
-
Power Connectors
None
Graphics Processor
Barts
GPU Name
RV410
Barts XT (215-0798000)
GPU Variant
-
TeraScale 2
Architecture
R400
TSMC
Foundry
TSMC
40 nm
Process Size
110 nm
1.7 billion
Transistors
0.12 billion
255 mm²
Die Size
156 mm²
Graphics Features
11.2 (11_0)
DirectX
9.0b (9_2)
4.4
OpenGL
2.0
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
-
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