GeForce GTX 260 and Radeon HD 3870 AGP - video card comparison

GeForce GTX 260

Radeon HD 3870 AGP

Architecture

Tesla 2.0 (2007−2013)

TeraScale (2005−2013)

GPU code name

GT200

RV670

Market segment

Desktop

Desktop

Release date

June 2008

-

Interface

PCIe 2.0 x16

AGP 8x

Supplementary power connectors

2x 6-pin

1x 8-pin

SLI options

+

-

Core clock speed

576 MHz

777 MHz

CUDA cores

192

-

Floating-point performance

476.9 gflops

-

Manufacturing process technology

65 nm

55 nm

Number of transistors

1,400 million

666 million

Pipelines / CUDA cores

192

320

Power consumption (TDP)

182 Watt

106 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

36.9 billion/sec

12.43

Memory type

GDDR3

GDDR4

Maximum RAM amount

896 MB

512 MB

Memory bus width

448 Bit

256 Bit

Memory clock speed

999 MHz

2.3 GB/s

Memory bandwidth

111.9 GB/s

72.06 GB/s

Display Connectors

Dual Link DVIHDTV

2x DVI, 1x S-Video

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

10.1 (10_1)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

2.1

3.3 (full) Shader Model4.04.1

Vulkan

N/A

N/A