AMD Radeon HD 6850 X2 vs NVIDIA GeForce GT 630 OEM

VS

AMD Radeon HD 6850 X2

NVIDIA GeForce GT 630 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM GeForce GT 630 OEM 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 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 28.51GB/s)

768 additional rendering cores

NVIDIA GeForce GT 630 OEM 's Advantages

Released 7 months late

Lower TDP (50W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +357%

1.536 TFLOPS

GeForce GT 630 OEM

0.336 TFLOPS

Radeon HD 6850 X2

VS

GeForce GT 630 OEM

Graphics Card

Sep 2011

Release Date

Apr 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

28.51GB/s

Render Config

12

Compute Units

-

960

Shading Units

192

48

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

3.500 GPixel/s

38.40 GTexel/s

Texture Rate

14.00 GTexel/s

-

1.536 TFLOPS

FP32 (float)

336.0 GFLOPS

-

FP64 (double)

14.00 GFLOPS

Board Design

254W

TDP

50W

600 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

GK107

Barts PRO (215-0798006)

GPU Variant

GK107-301-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.27 billion

255 mm²

Die Size

118 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

3.0

5.0

Shader Model

5.1

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