GeForce GTX 680MX vs Mobility Radeon HD 4850

When choosing between GeForce GTX 680MX and Mobility Radeon HD 4850, 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 GTX 680MX and Mobility Radeon HD 4850.

GeForce GTX 680MX and Mobility Radeon HD 4850 are Laptop Graphics Cards

Note: GeForce GTX 680MX and Mobility Radeon HD 4850 are only used in laptop graphics. They have 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 GTX 680MX or Mobility Radeon HD 4850 here:

Main Specs

  GeForce GTX 680MX Mobility Radeon HD 4850
Power consumption (TDP) 122 Watt
Interface PCIe 2.0 x16
Memory type GDDR5 GDDR3
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs
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  • GeForce GTX 680MX has 1 GB more memory, than Mobility Radeon HD 4850.
  • Both cards are used in Laptops.
  • GeForce GTX 680MX is build with Kepler architecture, and Mobility Radeon HD 4850 - with Terascale 1.
  • Core clock speed of GeForce GTX 680MX is 220 MHz higher, than Mobility Radeon HD 4850.
  • GeForce GTX 680MX is manufactured by 28 nm process technology, and Mobility Radeon HD 4850 - by 55 nm process technology.
  • Memory clock speed of GeForce GTX 680MX is 1650 MHz higher, than Mobility Radeon HD 4850.

Game benchmarks

high / 1080p 21−24 3−4
ultra / 1080p 12−14 1−2
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 14−16
medium / 1080p 27−30 5−6
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 333% more, than Mobility Radeon HD 4850.

Full Specs

  GeForce GTX 680MX Mobility Radeon HD 4850
Architecture Kepler Terascale 1
Code name M98
Type Laptop Laptop
Release date 23 October 2012 9 January 2009
Pipelines 1536 800
Core clock speed 720 MHz 500 MHz
Transistor count 3540 Million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 92.2 billion/sec 20.00
Floating-point performance 800.0 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 2500 MHz 850 MHz
Memory bandwidth 160 GB/s 54.4 GB/s
Shared memory - -
DirectX 12 API 10.1 (10_1)
Shader Model 4.1
OpenGL 4.5 3.3
OpenCL 1.1 1.1
Vulkan N/A
CUDA +
CUDA cores 1536
Bus support PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s
Laptop size large large
Optimus +
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