Radeon HD 6990M vs Radeon R7 384 Cores Kaveri

If you are going to buy a new graphics card and are choosing between Radeon HD 6990M and Radeon R7 384 Cores Kaveri, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 6990M stacks up against Radeon R7 384 Cores Kaveri, check out specs charts below.
Radeon R7 384 Cores Kaveri

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

  Radeon HD 6990M Radeon R7 384 Cores Kaveri
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Radeon HD 6990M is used in Laptops, and Radeon R7 384 Cores Kaveri - in Desktops.
  • Radeon HD 6990M is build with Terascale 2 architecture, and Radeon R7 384 Cores Kaveri - with GCN.
  • Core clock speed of Radeon R7 384 Cores Kaveri is 5 MHz higher, than Radeon HD 6990M.
  • Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon R7 384 Cores Kaveri - by 28 nm process technology.

Game benchmarks

high / 1080p 14−16 7−8
ultra / 1080p 8−9 4−5
QHD / 1440p 3−4 0−1
low / 720p 30−33 18−20
medium / 1080p 16−18 9−10
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 80% more, than Radeon R7 384 Cores Kaveri.

Full Specs

  Radeon HD 6990M Radeon R7 384 Cores Kaveri
Architecture Terascale 2 GCN
Code name Blackcomb XTX Kaveri Spectre
Type Laptop Desktop
Release date 12 July 2011 14 January 2014
Pipelines 1120 384
Core clock speed 715 MHz 720 MHz
Transistor count 1,700 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 40.04
Floating-point performance 1,601.6 gflops
Memory bus width 256 Bit
Memory clock speed 900 MHz
Memory bandwidth 115.2 GB/s
Shared memory - +
DirectX 11.2 (11_0) DirectX 12 (FL 12_0), Shader 5.2
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Vulkan N/A
Laptop size large
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