NVIDIA GeForce GT 630 vs AMD Radeon HD 6930

VS

NVIDIA GeForce GT 630

AMD Radeon HD 6930

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 630 and 1024MB VRAM Radeon HD 6930 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 's Advantages

Lower TDP (65W vs 186W)

AMD Radeon HD 6930 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 630

0.311 TFLOPS

Radeon HD 6930 +517%

1.92 TFLOPS

GeForce GT 630

VS

Radeon HD 6930

Graphics Card

May 2012

Release Date

Dec 2011

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

2

SM Count

-

96

Shading Units

1280

16

TMUs

80

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

24.00 GPixel/s

12.96 GTexel/s

Texture Rate

60.00 GTexel/s

-

311.0 GFLOPS

FP32 (float)

1.920 TFLOPS

25.92 GFLOPS

FP64 (double)

480.0 GFLOPS

Board Design

65W

TDP

186W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

GF108

GPU Name

Cayman

GF108-400-A1

GPU Variant

Cayman CE (215-0807105)

Fermi

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

2.64 billion

116 mm²

Die Size

389 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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