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GPU Comparison
AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 460 X2
AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 460 X2
VS
AMD Radeon HD 6850 X2
NVIDIA GeForce GTX 460 X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM GeForce GTX 460 X2 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 6 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)
624 additional rendering cores
NVIDIA GeForce GTX 460 X2 's Advantages
Lower TDP (160W vs 254W)
Score
Benchmark
FP32 (float)
Radeon HD 6850 X2
+63%
1.536 TFLOPS
GeForce GTX 460 X2
0.942 TFLOPS
Radeon HD 6850 X2
VS
GeForce GTX 460 X2
Graphics Card
Sep 2011
Release Date
Mar 2011
Northern Islands
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1050 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
115.2GB/s
Render Config
12
Compute Units
-
-
SM Count
7
960
Shading Units
336
48
TMUs
56
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
25.60 GPixel/s
Pixel Rate
9.814 GPixel/s
38.40 GTexel/s
Texture Rate
39.26 GTexel/s
-
-
-
1.536 TFLOPS
FP32 (float)
941.5 GFLOPS
-
FP64 (double)
78.46 GFLOPS
Board Design
254W
TDP
160W
600 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
3x DVI 1x mini-HDMI 1.3a
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Barts
GPU Name
GF104
Barts PRO (215-0798006)
GPU Variant
GF104-300-KB-A1
TeraScale 2
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
1.95 billion
255 mm²
Die Size
332 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
5.0
Shader Model
5.1
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