NVIDIA GeForce GT 630 vs AMD Radeon HD 6870

VS

NVIDIA GeForce GT 630

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 630 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 's Advantages

Released 1 years and 7 months late

Lower TDP (65W vs 151W)

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 28.80GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 630

0.311 TFLOPS

Radeon HD 6870 +548%

2.016 TFLOPS

GeForce GT 630

VS

Radeon HD 6870

Graphics Card

May 2012

Release Date

Oct 2010

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

2

SM Count

-

96

Shading Units

1120

16

TMUs

56

4

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

3.240 GPixel/s

Pixel Rate

28.80 GPixel/s

12.96 GTexel/s

Texture Rate

50.40 GTexel/s

-

311.0 GFLOPS

FP32 (float)

2.016 TFLOPS

25.92 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

151W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GF108

GPU Name

Barts

GF108-400-A1

GPU Variant

Barts XT (215-0798000)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

1.7 billion

116 mm²

Die Size

255 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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