NVIDIA GeForce GTX 260 vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce GTX 260

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 260 's Advantages

Lower TDP (182W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

Released 3 years and 3 months late

More VRAM (2GB vs 896GB)

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

768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 260

0.477 TFLOPS

Radeon HD 6850 X2 +222%

1.536 TFLOPS

GeForce GTX 260

VS

Radeon HD 6850 X2

Graphics Card

Jun 2008

Release Date

Sep 2011

GeForce 200

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

999 MHz

Memory Clock

1050 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

256bit

111.9GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

12

24

SM Count

-

192

Shading Units

960

64

TMUs

48

28

ROPs

32

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

512 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

25.60 GPixel/s

36.86 GTexel/s

Texture Rate

38.40 GTexel/s

-

476.9 GFLOPS

FP32 (float)

1.536 TFLOPS

59.62 GFLOPS

FP64 (double)

-

Board Design

182W

TDP

254W

450 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GT200

GPU Name

Barts

G200-100-A2

GPU Variant

Barts PRO (215-0798006)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

1.4 billion

Transistors

1.7 billion

576 mm²

Die Size

255 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

5.0

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