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GPU Comparison
AMD Radeon HD 6850 X2 vs NVIDIA GeForce GT 630
AMD Radeon HD 6850 X2 vs NVIDIA GeForce GT 630
VS
AMD Radeon HD 6850 X2
NVIDIA GeForce GT 630
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM GeForce GT 630 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 28.80GB/s)
864 additional rendering cores
NVIDIA GeForce GT 630 's Advantages
Released 8 months late
Lower TDP (65W vs 254W)
Score
Benchmark
FP32 (float)
Radeon HD 6850 X2
+393%
1.536 TFLOPS
GeForce GT 630
0.311 TFLOPS
Radeon HD 6850 X2
VS
GeForce GT 630
Graphics Card
Sep 2011
Release Date
May 2012
Northern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
2
12
Compute Units
-
960
Shading Units
96
48
TMUs
16
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
3.240 GPixel/s
38.40 GTexel/s
Texture Rate
12.96 GTexel/s
-
FP16 (half)
-
1.536 TFLOPS
FP32 (float)
311.0 GFLOPS
-
FP64 (double)
25.92 GFLOPS
Graphics Processor
Barts
GPU Name
GF108
Barts PRO (215-0798006)
GPU Variant
GF108-400-A1
TeraScale 2
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.585 billion
255 mm²
Die Size
116 mm²
Board Design
254W
TDP
65W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
None
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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