Radeon HD 6450 and GeForce 8600M GT SLI - video card comparison

Radeon HD 6450

GeForce 8600M GT SLI

Architecture

TeraScale 2 (2009−2015)

G8x (2007−2008)

GPU code name

Caicos

NB8P-GS

Market segment

Desktop

Laptop

Release date

April 2011

October 2007

Bus support

PCIe 2.0 x8

-

Interface

PCIe 2.0 x16

-

Supplementary power connectors

None

-

Boost clock speed

750 MHz

-

Core clock speed

-

475 MHz

Floating-point performance

200.0 gflops

-

Manufacturing process technology

40 nm

80 nm

Number of transistors

370 million

598 Million

Pipelines / CUDA cores

160

64

Power consumption (TDP)

30 Watt

20 Watt

Texture fill rate

5.000

-

Memory type

GDDR5

GDDR3, GDDR2

Maximum RAM amount

1 GB

1 GB

Memory bus width

64 Bit

128 Bit

Memory clock speed

800 MHz

700 MHz

Memory bandwidth

25.6 GB/s

-

Memory bandwidth

8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)

-

Shared memory

-

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

-

Eyefinity

1

-

Number of Eyefinity displays

4

-

HDMI

+

-

DisplayPort support

+

-

DirectX

DirectX® 11

10

Mantle

-

-

OpenCL

1.2

-

OpenGL

4.4

-

Shader Model

5.0

-

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-