Mobility Radeon HD 4850 vs Radeon R9 M280X

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4850 and Radeon R9 M280X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 4850 and Radeon R9 M280X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Mobility Radeon HD 4850 and Radeon R9 M280X are Laptop Graphics Cards

Note: Mobility Radeon HD 4850 and Radeon R9 M280X 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 Mobility Radeon HD 4850 or Radeon R9 M280X here:

Main Specs

  Mobility Radeon HD 4850 Radeon R9 M280X
Interface PCIe 2.0 x16 PCIe 3.0 x16
Memory type GDDR3 Not Listed
Maximum RAM amount 1 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4850 is connected by PCIe 2.0 x16, and Radeon R9 M280X uses PCIe 3.0 x16 interface.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Radeon R9 M280X - with GCN.
  • Core clock speed of Radeon R9 M280X is 400 MHz higher, than Mobility Radeon HD 4850.
  • Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon R9 M280X - by 28 nm process technology.

Game benchmarks

high / 1080p 3−4 2−3
ultra / 1080p 1−2 1−2
QHD / 1440p 0−1 0−1
low / 720p 14−16 14−16
medium / 1080p 5−6 4−5
The average gaming FPS of Mobility Radeon HD 4850 in Assassin's Creed Odyssey is 20% more, than Radeon R9 M280X.

Full Specs

  Mobility Radeon HD 4850 Radeon R9 M280X
Architecture Terascale 1 GCN
Code name M98 Saturn XT
Type Laptop Laptop
Release date 9 January 2009 1 February 2015
Pipelines 800 896
Core clock speed 500 MHz 900 MHz
Transistor count 956 million 2,080 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 20.00 61.60
Floating-point performance 800.0 gflops 1,792 gflops
Memory bus width 256 Bit
Memory clock speed 850 MHz
Memory bandwidth 54.4 GB/s 96 GB/s
Shared memory - -
DirectX 10.1 (10_1)
Shader Model 4.1 6.3
OpenGL 3.3 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
FreeSync +
Bus support Not Listed
Laptop size large large
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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