GeForce 8800 GT and Radeon HD 7450 OEM - video card comparison

GeForce 8800 GT

Radeon HD 7450 OEM

Architecture

Tesla (2006−2010)

TeraScale 2 (2009−2015)

GPU code name

G92

Caicos

Market segment

Desktop

Desktop

Release date

October 2007

January 2012

Bus support

PCI-E 2.0

-

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

6-pin & 8-pin

None

SLI options

2-way

-

Core clock speed

600 MHz

625 MHz

CUDA cores

112

-

Floating-point performance

336.0 gflops

200.0 gflops

Manufacturing process technology

65 nm

40 nm

Number of transistors

754 million

370 million

Pipelines / CUDA cores

112

160

Power consumption (TDP)

105 Watt

18 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

33.6 billion/sec

5.000

Memory type

GDDR3

GDDR3

Maximum RAM amount

512 MB

512 MB

Memory bus width

256 Bit

64 Bit

Memory clock speed

900 MHz

1066 MHz

Memory bandwidth

57.6 GB/s

8.528 GB/s

Display Connectors

Dual Link DVIHDTV

1x DVI, 1x HDMI

Multi monitor support

+

-

HDMI

-

+

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

11.2 (11_0)

CUDA

+

-

OpenCL

1.1

1.2

OpenGL

2.1

4.4

Shader Model

4.0

5.0

Vulkan

N/A

N/A

High Dynamic-Range Lighting (HDRR)

128bit

-