GeForce 8800 GT and Radeon HD 8490 OEM - video card comparison

GeForce 8800 GT

Radeon HD 8490 OEM

Architecture

Tesla (2006−2010)

TeraScale 2 (2009−2015)

GPU code name

G92

Caicos

Market segment

Desktop

Desktop

Release date

October 2007

July 2013

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

875 MHz

CUDA cores

112

-

Floating-point performance

336.0 gflops

280.0 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

35 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

33.6 billion/sec

7.000

Memory type

GDDR3

DDR3

Maximum RAM amount

512 MB

1 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

900 MHz

1800 MHz

Memory bandwidth

57.6 GB/s

14.4 GB/s

Display Connectors

Dual Link DVIHDTV

1x DVI, 1x DisplayPort

Multi monitor support

+

-

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

-