NVIDIA GeForce GTX 260 vs AMD Radeon HD 6770

VS

NVIDIA GeForce GTX 260

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 260 's Advantages

Larger VRAM bandwidth (111.9GB/s vs 76.80GB/s)

AMD Radeon HD 6770 's Advantages

Released 2 years and 7 months late

More VRAM (1024GB vs 896GB)

608 additional rendering cores

Lower TDP (108W vs 182W)

Score

Benchmark

FP32 (float)

GeForce GTX 260

0.477 TFLOPS

Radeon HD 6770 +185%

1.36 TFLOPS

GeForce GTX 260

VS

Radeon HD 6770

Graphics Card

Jun 2008

Release Date

Jan 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

1200 MHz

Memory

896MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

128bit

111.9GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

10

24

SM Count

-

192

Shading Units

800

64

TMUs

40

28

ROPs

16

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

256 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

13.60 GPixel/s

36.86 GTexel/s

Texture Rate

34.00 GTexel/s

-

476.9 GFLOPS

FP32 (float)

1360 GFLOPS

59.62 GFLOPS

FP64 (double)

-

Board Design

182W

TDP

108W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GT200

GPU Name

Juniper

G200-100-A2

GPU Variant

Juniper XT (215-0754013)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

1.4 billion

Transistors

1.04 billion

576 mm²

Die Size

166 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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