NVIDIA GeForce GTX 460 X2 vs ATI Radeon HD 5670 640SP Edition

VS

NVIDIA GeForce GTX 460 X2

ATI Radeon HD 5670 640SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 512MB VRAM Radeon HD 5670 640SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 X2 's Advantages

Released 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

ATI Radeon HD 5670 640SP Edition 's Advantages

304 additional rendering cores

Lower TDP (64W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2

0.942 TFLOPS

Radeon HD 5670 640SP Edition +1%

0.96 TFLOPS

GeForce GTX 460 X2

VS

Radeon HD 5670 640SP Edition

Graphics Card

Mar 2011

Release Date

Jul 2010

GeForce 400

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

7

SM Count

-

336

Shading Units

640

56

TMUs

32

ROPs

8

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

6.000 GPixel/s

39.26 GTexel/s

Texture Rate

24.00 GTexel/s

-

941.5 GFLOPS

FP32 (float)

960.0 GFLOPS

78.46 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

64W

450 W

Suggested PSU

250 W

3x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

GF104

GPU Name

Juniper

GF104-300-KB-A1

GPU Variant

Juniper CE

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

1.04 billion

332 mm²

Die Size

166 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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