GeForce 8800 GT and Mobility Radeon X1400 - video card comparison

GeForce 8800 GT

Mobility Radeon X1400

Architecture

Tesla (2006−2010)

R500 (2005−2007)

GPU code name

G92

M54

Market segment

Desktop

Laptop

Release date

October 2007

January 2006

Bus support

PCI-E 2.0

-

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

6-pin & 8-pin

-

SLI options

2-way

-

Boost clock speed

-

445 MHz

Core clock speed

600 MHz

2 MHz

CUDA cores

112

-

Floating-point performance

336.0 gflops

-

Manufacturing process technology

65 nm

90 nm

Number of transistors

754 million

107 million

Pipelines / CUDA cores

112

6

Power consumption (TDP)

105 Watt

-

Maximum GPU temperature

105 °C

-

Texture fill rate

33.6 billion/sec

1.780

Memory type

GDDR3

DDR1/DDR2/GDDR3

Maximum RAM amount

512 MB

256 MB

Memory bus width

256 Bit

128 Bit

Memory clock speed

900 MHz

500 MHz

Memory bandwidth

57.6 GB/s

8 GB/s

Shared memory

-

-

Display Connectors

Dual Link DVIHDTV

No outputs

Multi monitor support

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

9.0c (9_3)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

2.1

2.0

Shader Model

4.0

3.0

Vulkan

N/A

N/A

High Dynamic-Range Lighting (HDRR)

128bit

-