GeForce MX450 vs Radeon HD 6990

When choosing between GeForce MX450 and Radeon HD 6990, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce MX450 and Radeon HD 6990.

GeForce MX450 is a Laptop Graphics Card

Note: GeForce MX450 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 GeForce MX450 here:

Main Specs

  GeForce MX450 Radeon HD 6990
Power consumption (TDP) 50 Watt 375 Watt
Interface PCIe 4.0 x4 PCIe 2.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5,GDDR6 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 6990 has 650% more power consumption, than GeForce MX450.
  • GeForce MX450 is connected by PCIe 4.0 x4, and Radeon HD 6990 uses PCIe 2.0 x16 interface.
  • GeForce MX450 and Radeon HD 6990 have maximum RAM of 2 GB.
  • GeForce MX450 is used in Laptops, and Radeon HD 6990 - in Desktops.
  • GeForce MX450 is build with Turing architecture, and Radeon HD 6990 - with TeraScale 3.
  • Core clock speed of GeForce MX450 is 565 MHz higher, than Radeon HD 6990.
  • GeForce MX450 is manufactured by 12 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
  • Memory clock speed of GeForce MX450 is 5002 MHz higher, than Radeon HD 6990.

Game benchmarks

high / 1080p 16−18 14−16
ultra / 1080p 10−11 9−10
QHD / 1440p 4−5 3−4
low / 720p 35−40 30−35
medium / 1080p 21−24 18−20
The average gaming FPS of GeForce MX450 in Assassin's Creed Odyssey is 20% more, than Radeon HD 6990.

Full Specs

  GeForce MX450 Radeon HD 6990
Architecture Turing TeraScale 3
Code name N17S-G5 / GP107-670-A1 Antilles
Type Laptop Desktop
Release date 1 August 2020 8 March 2011
Pipelines 896 1536
Core clock speed 1395 MHz 830 MHz
Boost Clock 1575 MHz
Transistor count 4,700 million 2,640 million
Manufacturing process technology 12 nm 40 nm
Texture fill rate 100.8 79.68
Floating-point performance 2x 2,549.8 gflops
Length 295 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 10002 MHz 5000 MHz
Memory bandwidth 64.03 GB/s 160.0 GB/s
Shared memory -
DirectX 12 (12_1) 11.2 (11_0)
Shader Model 6.5 5.0
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.2 N/A
CUDA 7.5
Bitcoin / BTC (SHA256) 265 Mh/s
Optimus +
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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