ATI Mobility Radeon HD 3870 X2 videocard review

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

38730

478

PassMark
G2D Mark

Top 1 GPU

This GPU

1306

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	868
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