ATI Mobility Radeon HD 5870 Crossfire: specs and benchmarks

Summary
ATI started Mobility Radeon HD 5870 Crossfire sales 7 January 2010. This is Terascale 2 architecture notebook card based on 40 nm manufacturing process and primarily aimed at gamers. 2x1 GB of DDR3, GDDR3, GDDR5 memory clocked at 1000 GHz are supplied.
Power consumption is at 120 Watt.
It provides poor gaming and benchmark performance at 13.66 percent of a leader's which is NVIDIA GeForce RTX 3090.
General info
Of Mobility Radeon HD 5870 Crossfire's architecture, market type and release date.
Technical specs
Mobility Radeon HD 5870 Crossfire's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Mobility Radeon HD 5870 Crossfire's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Compatibility, dimensions and requirements
Information on Mobility Radeon HD 5870 Crossfire's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Memory
Parameters of memory installed on Mobility Radeon HD 5870 Crossfire: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
API support
APIs supported by Mobility Radeon HD 5870 Crossfire, sometimes including their particular versions.
Benchmark performance
Non-gaming benchmarks performance of Mobility Radeon HD 5870 Crossfire. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
3DMark Vantage Performance
Game benchmarks
Let's see how good Mobility Radeon HD 5870 Crossfire is for gaming. Particular gaming benchmark results are measured in FPS. Comparisons with system requirements are included, but remember that sometimes official requirements may reflect real performance inaccurately.
Relative perfomance
Overall Mobility Radeon HD 5870 Crossfire performance compared to nearest competitors among notebook video cards.
NVIDIA equivalent
We believe that the nearest equivalent to Mobility Radeon HD 5870 Crossfire from NVIDIA is GeForce GTX 960M, which is nearly equal in speed and higher by 2 positions in our rating.