GeForce 920MX vs Radeon HD 4850 X2

When choosing between GeForce 920MX and Radeon HD 4850 X2, 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 920MX and Radeon HD 4850 X2.
Radeon HD 4850 X2

GeForce 920MX is a Laptop Graphics Card

Note: GeForce 920MX 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 920MX here:

Main Specs

  GeForce 920MX Radeon HD 4850 X2
Power consumption (TDP) 16 Watt 250 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors None 1x 6-pin + 1x 8-pin
Memory type DDR3, GDDR5 GDDR3
Maximum RAM amount 2 GB 512 MB
Display Connectors No outputs 4x DVI, 1x S-Video
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  • Radeon HD 4850 X2 has 1462% more power consumption, than GeForce 920MX.
  • GeForce 920MX is connected by PCIe 3.0 x8, and Radeon HD 4850 X2 uses PCIe 2.0 x16 interface.
  • Radeon HD 4850 X2 has 510 GB more memory, than GeForce 920MX.
  • GeForce 920MX is used in Laptops, and Radeon HD 4850 X2 - in Desktops.
  • GeForce 920MX is build with Maxwell architecture, and Radeon HD 4850 X2 - with TeraScale.
  • Core clock speed of GeForce 920MX is 340 MHz higher, than Radeon HD 4850 X2.
  • GeForce 920MX is manufactured by 28 nm process technology, and Radeon HD 4850 X2 - by 55 nm process technology.
  • Memory clock speed of Radeon HD 4850 X2 is 190 MHz higher, than GeForce 920MX.

Game benchmarks

high / 1080p 2−3 3−4
ultra / 1080p 0−1 2−3
QHD / 1440p 0−1 0−1
low / 720p 12−14 14−16
medium / 1080p 3−4 5−6
The average gaming FPS of Radeon HD 4850 X2 in Assassin's Creed Odyssey is 33% more, than GeForce 920MX.

Full Specs

  GeForce 920MX Radeon HD 4850 X2
Architecture Maxwell TeraScale
Code name N16V-GMR R700
Type Laptop Desktop
Release date 25 March 2015 7 November 2008
Pipelines 256 800
Core clock speed 965 MHz 625 MHz
Boost Clock 993 MHz
Transistor count 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 23.83 25.00
Floating-point performance 602.1 gflops 2x 1,000.0 gflops
Length 267 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 1990 MHz
Memory bandwidth 14.4 GB/s 63.68 GB/s
Shared memory -
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.5 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA +
Bus support PCI Express 3.0
Optimus +
GPU Boost 2.0
GameWorks +
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