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GPU Comparison
AMD Radeon HD 6850 X2 vs AMD Radeon HD 6850 1440SP Edition
AMD Radeon HD 6850 X2 vs AMD Radeon HD 6850 1440SP Edition
VS
AMD Radeon HD 6850 X2
AMD Radeon HD 6850 1440SP Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6850 X2 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (134.4GB/s vs 128.0GB/s)
AMD Radeon HD 6850 1440SP Edition 's Advantages
Released 11 months late
480 additional rendering cores
Lower TDP (151W vs 254W)
Score
Benchmark
FP32 (float)
Radeon HD 6850 X2
1.536 TFLOPS
Radeon HD 6850 1440SP Edition
+35%
2.088 TFLOPS
Radeon HD 6850 X2
VS
Radeon HD 6850 1440SP Edition
Graphics Card
Sep 2011
Release Date
Aug 2012
Northern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
12
Compute Units
18
960
Shading Units
1440
48
TMUs
72
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
23.20 GPixel/s
38.40 GTexel/s
Texture Rate
52.20 GTexel/s
-
FP16 (half)
-
1.536 TFLOPS
FP32 (float)
2.088 TFLOPS
-
FP64 (double)
417.6 GFLOPS
Graphics Processor
Barts
GPU Name
Cypress
Barts PRO (215-0798006)
GPU Variant
Cypress PRO (215-0735043)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
2.154 billion
255 mm²
Die Size
334 mm²
Board Design
254W
TDP
151W
600 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
2x 8-pin
Power Connectors
2x 6-pin
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
-
CUDA
-
5.0
Shader Model
5.0
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