AMD Radeon HD 6990M Crossfire: specs and benchmarks

AMD Radeon HD 6990M Crossfire


AMD started Radeon HD 6990M Crossfire sales 12 July 2011. This is Terascale 2 architecture notebook card based on 40 nm manufacturing process and primarily aimed at gamers. 2x2 GB of GDDR5 memory clocked at 900 GHz are supplied.

It provides poor gaming and benchmark performance at 16.56 percent of a leader's which is AMD Radeon R9 390 X2.

General info

Of Radeon HD 6990M Crossfire's architecture, market type and release date.
Place in performance rating
Terascale 2
Code name
Blackcomb XTX
Release date
12 July 2011

Technical specs

Radeon HD 6990M Crossfire's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 6990M Crossfire's performance, but for precise assessment you have to consider its benchmark and gaming test results.
of 8192 (FirePro S9300 X2)
Core clock speed
715 MHz
Transistor count
2x1700 Million
of 21100
Manufacturing process technology
40 nm
of 12

Compatibility, dimensions and requirements

Information on Radeon HD 6990M 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.
Laptop size

Memory specs

Parameters of memory installed on Radeon HD 6990M 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.
Memory type
Maximum RAM amount
2x2 GB
of 32
Memory bus width
256 Bit
of 8192 (FirePro S9300 X2)
Memory clock speed
900 MHz
Shared memory

API support

APIs supported by Radeon HD 6990M Crossfire, sometimes including their particular versions.

Video card benchmarks performance

Non-gaming benchmarks performance of Radeon HD 6990M Crossfire. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
3DMark 11 Performance GPU
3DMark Vantage Performance

Relative perfomance

Overall Radeon HD 6990M Crossfire performance compared to its nearest competitors. All GPU types participate.

NVIDIA equivalent

We believe that the nearest equivalent to Radeon HD 6990M Crossfire from NVIDIA is GeForce GTX 680M, which is faster by 1% and lower by 2 positions in our rating.

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