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GPU Comparison
AMD Radeon HD 6850 X2 vs ATI Radeon X1550
AMD Radeon HD 6850 X2 vs ATI Radeon X1550
VS
AMD Radeon HD 6850 X2
ATI Radeon X1550
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6850 X2 's Advantages
Released 4 years and 8 months late
Larger VRAM bandwidth (134.4GB/s vs 12.80GB/s)
960 additional rendering cores
ATI Radeon X1550 's Advantages
Lower TDP (27W vs 254W)
Score
Radeon HD 6850 X2
VS
Radeon X1550
Graphics Card
Sep 2011
Release Date
Jan 2007
Northern Islands
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
12.80GB/s
Render Config
-
SM Count
-
12
Compute Units
-
960
Shading Units
-
48
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
-
Theoretical Performance
25.60 GPixel/s
Pixel Rate
2.200 GPixel/s
38.40 GTexel/s
Texture Rate
2.200 GTexel/s
-
FP16 (half)
-
1.536 TFLOPS
FP32 (float)
-
-
FP64 (double)
-
Graphics Processor
Barts
GPU Name
RV516
Barts PRO (215-0798006)
GPU Variant
-
TeraScale 2
Architecture
R500
TSMC
Foundry
UMC
40 nm
Process Size
80 nm
1.7 billion
Transistors
0.107 billion
255 mm²
Die Size
100 mm²
Board Design
254W
TDP
27W
600 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x VGA 1x S-Video
2x 8-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
9.0c (9_3)
4.4
OpenGL
2.1
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
3.0
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