GeForce GTX 850A vs Mobility Radeon HD 4850

When choosing between GeForce GTX 850A 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 850A and Mobility Radeon HD 4850.

Mobility Radeon HD 4850 is a Laptop Graphics Card

Note: Mobility Radeon HD 4850 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 Mobility Radeon HD 4850 here:

Main Specs

  GeForce GTX 850A Mobility Radeon HD 4850
Power consumption (TDP) 45 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Memory type DDR3 GDDR3
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 850A is connected by PCIe 3.0 x16, and Mobility Radeon HD 4850 uses PCIe 2.0 x16 interface.
  • GeForce GTX 850A has 1 GB more memory, than Mobility Radeon HD 4850.
  • GeForce GTX 850A is used in Desktops, and Mobility Radeon HD 4850 - in Laptops.
  • GeForce GTX 850A is build with Maxwell architecture, and Mobility Radeon HD 4850 - with Terascale 1.
  • Core clock speed of GeForce GTX 850A is 402 MHz higher, than Mobility Radeon HD 4850.
  • GeForce GTX 850A is manufactured by 28 nm process technology, and Mobility Radeon HD 4850 - by 55 nm process technology.
  • Memory clock speed of GeForce GTX 850A is 950 MHz higher, than Mobility Radeon HD 4850.

Game benchmarks

high / 1080p 1−2 3−4
ultra / 1080p 0−1 1−2
QHD / 1440p 0−1 0−1
low / 720p 12−14 14−16
medium / 1080p 3−4 5−6
The average gaming FPS of Mobility Radeon HD 4850 in Assassin's Creed Odyssey is 33% more, than GeForce GTX 850A.

Full Specs

  GeForce GTX 850A Mobility Radeon HD 4850
Architecture Maxwell Terascale 1
Code name GM107 M98
Type Desktop Laptop
Release date 17 March 2014 9 January 2009
Pipelines 640 800
Core clock speed 902 MHz 500 MHz
Boost Clock 936 MHz
Transistor count 1,870 million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 37.44 20.00
Floating-point performance 1,198 gflops 800.0 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 1800 MHz 850 MHz
Memory bandwidth 28.8 GB/s 54.4 GB/s
Shared memory -
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.6 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA 5.0
Laptop size large
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