ATI Mobility Radeon HD 3870 X2 videocard review

ATI Mobility Radeon HD 3870 X2

Mobility Radeon HD 3870 X2 videocard released by ATI; release date: 1 September 2008. The videocard is designed for laptop-computers and based on TeraScale microarchitecture codenamed M88.

Core clock speed - 660 MHz. Texture fill rate - 2x 10.56 GTexel / s billion / sec. Pipelines - 640. Floating-point performance - 2x 422.4 gflops. Manufacturing process technology - 55 nm. Transistors count - 666 million. Power consumption (TDP) - 110 Watt.

Memory type: GDDR3. Maximum RAM amount - 2x 512 MB. Memory bus width - 256 Bit. Memory clock speed - 1700 MHz. Memory bandwidth - 2x 54.4 GB / s. Shared memory - 0.

Benchmarks

PassMark
G3D Mark
Top 1 GPU
This GPU
38534
478
PassMark
G2D Mark
Top 1 GPU
This GPU
1294
187
Name Value
PassMark - G3D Mark 478
PassMark - G2D Mark 187

Specifications (specs)

Essentials

Architecture TeraScale
Code name M88
Launch date 1 September 2008
Place in performance rating 881
Type Laptop

Technical info

Core clock speed 660 MHz
Floating-point performance 2x 422.4 gflops
Manufacturing process technology 55 nm
Pipelines 640
Texture fill rate 2x 10.56 GTexel / s billion / sec
Thermal Design Power (TDP) 110 Watt
Transistor count 666 million

Video outputs and ports

Display Connectors No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16
Laptop size large

API support

DirectX 10.1
OpenGL 3.3

Memory

Maximum RAM amount 2x 512 MB
Memory bandwidth 2x 54.4 GB / s
Memory bus width 256 Bit
Memory clock speed 1700 MHz
Memory type GDDR3
Shared memory 0