NVIDIA GeForce GTX 460 v2 vs AMD Radeon HD 6870

VS

NVIDIA GeForce GTX 460 v2

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 v2 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 GTX 460 v2 's Advantages

Released 11 months late

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 96.19GB/s)

784 additional rendering cores

Lower TDP (151W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 v2

1.046 TFLOPS

Radeon HD 6870 +92%

2.016 TFLOPS

GeForce GTX 460 v2

VS

Radeon HD 6870

Graphics Card

Sep 2011

Release Date

Oct 2010

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

96.19GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

7

SM Count

-

336

Shading Units

1120

56

TMUs

56

24

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

10.91 GPixel/s

Pixel Rate

28.80 GPixel/s

43.62 GTexel/s

Texture Rate

50.40 GTexel/s

-

1046 GFLOPS

FP32 (float)

2.016 TFLOPS

87.19 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

151W

450 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GF114

GPU Name

Barts

GF114-400-A1

GPU Variant

Barts XT (215-0798000)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

1.7 billion

332 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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