FireStream 9250 vs Radeon HD 6990M

Find out if it is worth upgrading your current GPU setup by comparing FireStream 9250 and Radeon HD 6990M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between FireStream 9250 and Radeon HD 6990M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon HD 6990M is a Laptop Graphics Card

Note: Radeon HD 6990M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6990M here:

Main Specs

  FireStream 9250 Radeon HD 6990M
Power consumption (TDP) 150 Watt 100 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Supplementary power connectors 1x 6-pin None
Memory type GDDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9250 has 50% more power consumption, than Radeon HD 6990M.
  • FireStream 9250 is connected by PCIe 2.0 x16, and Radeon HD 6990M uses MXM-B (3.0) interface.
  • Radeon HD 6990M has 1 GB more memory, than FireStream 9250.
  • FireStream 9250 is used in Desktops, and Radeon HD 6990M - in Laptops.
  • FireStream 9250 is build with TeraScale architecture, and Radeon HD 6990M - with Terascale 2.
  • Core clock speed of Radeon HD 6990M is 90 MHz higher, than FireStream 9250.
  • FireStream 9250 is manufactured by 55 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
  • Memory clock speed of FireStream 9250 is 1086 MHz higher, than Radeon HD 6990M.

Game benchmarks

high / 1080p 2−3 14−16
ultra / 1080p 1−2 8−9
QHD / 1440p 0−1 3−4
low / 720p 12−14 30−33
medium / 1080p 5−6 16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 260% more, than FireStream 9250.

Full Specs

  FireStream 9250 Radeon HD 6990M
Architecture TeraScale Terascale 2
Code name RV770 Blackcomb XTX
Type Desktop Laptop
Release date 16 June 2008 12 July 2011
Pipelines 800 1120
Core clock speed 625 MHz 715 MHz
Transistor count 956 million 1,700 million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 25.00 40.04
Floating-point performance 1,000.0 gflops 1,601.6 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 1986 MHz 900 MHz
Memory bandwidth 63.55 GB/s 115.2 GB/s
Shared memory -
DirectX 10.1 (10_1) 11.2 (11_0)
Shader Model 4.1 5.0
OpenGL 3.3 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
Laptop size large
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