NVIDIA GeForce GTX 460 X2 vs AMD Radeon HD 6870 1600SP Edition

VS

NVIDIA GeForce GTX 460 X2

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 1024MB VRAM Radeon HD 6870 1600SP 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

Lower TDP (160W vs 175W)

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 1 years and 10 months late

Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)

1264 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2

0.942 TFLOPS

Radeon HD 6870 1600SP Edition +188%

2.72 TFLOPS

GeForce GTX 460 X2

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Mar 2011

Release Date

Jan 2013

GeForce 400

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

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

20

7

SM Count

-

336

Shading Units

1600

56

TMUs

80

32

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

27.20 GPixel/s

39.26 GTexel/s

Texture Rate

68.00 GTexel/s

-

941.5 GFLOPS

FP32 (float)

2.720 TFLOPS

78.46 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

160W

TDP

175W

450 W

Suggested PSU

450 W

3x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF104

GPU Name

Cypress

GF104-300-KB-A1

GPU Variant

Cypress XT (215-0735033)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

2.154 billion

332 mm²

Die Size

334 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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