AMD Radeon HD 6870M videocard review

Radeon HD 6870M videocard released by AMD; release date: 4 January 2011. The videocard is designed for laptop-computers and based on TeraScale 2 microarchitecture codenamed Granville.

Core clock speed - 675 MHz. Texture fill rate - 27 GTexel / s. Pipelines - 800. Floating-point performance - 1,080.0 gflops. Manufacturing process technology - 40 nm. Transistors count - 1,040 million. Power consumption (TDP) - 50 Watt.

Memory type: DDR3, GDDR3, GDDR5. Maximum RAM amount - 1 GB. Memory bus width - 128 Bit. Memory clock speed - 4000 MHz. Memory bandwidth - 64.0 GB / s. Shared memory - 0.

Specifications (specs)

Essentials
Architecture	TeraScale 2
Code name	Granville
Launch date	4 January 2011
Place in performance rating	not rated
Type	Laptop
Technical info
Core clock speed	675 MHz
Floating-point performance	1,080.0 gflops
Manufacturing process technology	40 nm
Pipelines	800
Texture fill rate	27 GTexel / s
Thermal Design Power (TDP)	50 Watt
Transistor count	1,040 million

Video outputs and ports
Display Connectors	No outputs
Compatibility, dimensions and requirements
Interface	MXM-B (3.0)
Laptop size	large
API support
DirectX	11.2 (11_0)
OpenGL	4.4
Memory
Maximum RAM amount	1 GB
Memory bandwidth	64.0 GB / s
Memory bus width	128 Bit
Memory clock speed	4000 MHz
Memory type	DDR3, GDDR3, GDDR5
Shared memory	0
Technologies
HDMI 1.3a