Radeon HD 6990 vs Radeon HD 7690M XT

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990 and Radeon HD 7690M XT. 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 Radeon HD 6990 and Radeon HD 7690M XT. 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 7690M XT is a Laptop Graphics Card

Note: Radeon HD 7690M XT 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 7690M XT here:

Main Specs

  Radeon HD 6990 Radeon HD 7690M XT
Power consumption (TDP) 375 Watt 25 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
  Check Price Check Price
  • Radeon HD 6990 has 1400% more power consumption, than Radeon HD 7690M XT.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 6990 and Radeon HD 7690M XT have maximum RAM of 2 GB.
  • Radeon HD 6990 is used in Desktops, and Radeon HD 7690M XT - in Laptops.
  • Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon HD 7690M XT - with Terascale 2.
  • Core clock speed of Radeon HD 6990 is 105 MHz higher, than Radeon HD 7690M XT.
  • Radeon HD 6990 and Radeon HD 7690M XT are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 6990 is 1400 MHz higher, than Radeon HD 7690M XT.

Game benchmarks

high / 1080p 14−16 2−3
ultra / 1080p 9−10 1−2
QHD / 1440p 3−4 0−1
low / 720p 30−35 12−14
medium / 1080p 18−20 4−5
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 280% more, than Radeon HD 7690M XT.

Full Specs

  Radeon HD 6990 Radeon HD 7690M XT
Architecture TeraScale 3 Terascale 2
Code name Antilles Thames XTX
Type Desktop Laptop
Release date 8 March 2011 7 June 2011
Pipelines 1536 480
Core clock speed 830 MHz 725 MHz
Transistor count 2,640 million 716 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 79.68 17.40
Floating-point performance 2x 2,549.8 gflops 696.0 gflops
Length 295 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 5000 MHz 3600 MHz
Memory bandwidth 160.0 GB/s 57.6 GB/s
Shared memory -
DirectX 11.2 (11_0) 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
Bitcoin / BTC (SHA256) 265 Mh/s
Laptop size medium sized
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
  Check Price Check Price