ATI Mobility Radeon HD 5870: specs and benchmarks

Summary
ATI started Mobility Radeon HD 5870 sales 7 January 2010. This is Terascale 2 architecture notebook card based on 40 nm manufacturing process and primarily aimed at gamers. 1 GB of DDR3, GDDR3, GDDR5 memory clocked at 1000 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 64 GB/s.
Compatibility-wise, this is card attached via MXM-B (3.0) interface. Power consumption is at 50 Watt.
It provides poor gaming and benchmark performance at 8.37 percent of a leader's which is NVIDIA GeForce RTX 3090.
General info
Of Mobility Radeon HD 5870's architecture, market type and release date.
Technical specs
Mobility Radeon HD 5870'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'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'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: 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.
Video outputs and ports
Types and number of video connectors present on Mobility Radeon HD 5870. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
API support
APIs supported by Mobility Radeon HD 5870, sometimes including their particular versions.
Benchmark performance
Non-gaming benchmarks performance of Mobility Radeon HD 5870. 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 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 performance compared to nearest competitors among notebook video cards.
NVIDIA equivalent
We believe that the nearest equivalent to Mobility Radeon HD 5870 from NVIDIA is GeForce 9800M GTX SLI, which is nearly equal in speed and higher by 1 position in our rating.