AMD Radeon HD 6850 1440SP Edition vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

VS

AMD Radeon HD 6850 1440SP Edition

NVIDIA GeForce GT 630 Rev. 2 PCIe x8

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition 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 6850 1440SP Edition 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 14.40GB/s)

1056 additional rendering cores

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages

Released 9 months late

More VRAM (2GB vs 1024GB)

Lower TDP (25W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition +201%

2.088 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8

0.693 TFLOPS

Radeon HD 6850 1440SP Edition

VS

GeForce GT 630 Rev. 2 PCIe x8

Graphics Card

Aug 2012

Release Date

May 2013

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

14.40GB/s

Render Config

18

Compute Units

-

1440

Shading Units

384

72

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

7.216 GPixel/s

52.20 GTexel/s

Texture Rate

28.86 GTexel/s

-

2.088 TFLOPS

FP32 (float)

692.7 GFLOPS

417.6 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

151W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

GK208

Cypress PRO (215-0735043)

GPU Variant

GK208-301-A1

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

1.02 billion

334 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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