AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 260

VS

AMD Radeon HD 6870 1600SP Edition

NVIDIA GeForce GTX 260

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 896MB VRAM GeForce GTX 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 4 years and 7 months late

More VRAM (1024GB vs 896GB)

Larger VRAM bandwidth (134.4GB/s vs 111.9GB/s)

1408 additional rendering cores

Lower TDP (175W vs 182W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +470%

2.72 TFLOPS

GeForce GTX 260

0.477 TFLOPS

Radeon HD 6870 1600SP Edition

VS

GeForce GTX 260

Graphics Card

Jan 2013

Release Date

Jun 2008

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

999 MHz

Memory

1024MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

448bit

134.4GB/s

Bandwidth

111.9GB/s

Render Config

20

Compute Units

-

SM Count

24

1600

Shading Units

192

80

TMUs

64

32

ROPs

28

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

224 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

16.13 GPixel/s

68.00 GTexel/s

Texture Rate

36.86 GTexel/s

-

2.720 TFLOPS

FP32 (float)

476.9 GFLOPS

544.0 GFLOPS

FP64 (double)

59.62 GFLOPS

Board Design

175W

TDP

182W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cypress

GPU Name

GT200

Cypress XT (215-0735033)

GPU Variant

G200-100-A2

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

2.154 billion

Transistors

1.4 billion

334 mm²

Die Size

576 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

5.0

Shader Model

4.0

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