Home GPU Comparison AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

AMD Radeon HD 6870 X2
VS
NVIDIA GeForce GT 630 Rev. 2 PCIe x8
AMD Radeon HD 6870 X2
NVIDIA GeForce GT 630 Rev. 2 PCIe x8
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 14.40GB/s)
736 additional rendering cores
NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages
Released 1 years and 10 months late
More VRAM (2GB vs 1024GB)
Lower TDP (25W vs 300W)

Score

Benchmark

FP32 (float)
Radeon HD 6870 X2 +190%
2.016 TFLOPS
GeForce GT 630 Rev. 2 PCIe x8
0.693 TFLOPS
Radeon HD 6870 X2
VS
GeForce GT 630 Rev. 2 PCIe x8

Graphics Card

Jul 2011
Release Date
May 2013
Northern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x8

Clock Speeds

-
-
-
-
-
-
1050 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
134.4GB/s
Bandwidth
14.40GB/s

Render Config

14
Compute Units
-
-
-
-
1120
Shading Units
384
56
TMUs
32
32
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

28.80 GPixel/s
Pixel Rate
7.216 GPixel/s
50.40 GTexel/s
Texture Rate
28.86 GTexel/s
-
-
-
2.016 TFLOPS
FP32 (float)
692.7 GFLOPS
-
FP64 (double)
28.86 GFLOPS

Board Design

300W
TDP
25W
700 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
-
Power Connectors
None

Graphics Processor

Barts
GPU Name
GK208
Barts XT (215-0798000)
GPU Variant
GK208-301-A1
TeraScale 2
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
1.02 billion
255 mm²
Die Size
87 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
5.0
Shader Model
5.1

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