Radeon HD 4850 X2 vs Radeon R9 M280X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4850 X2 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 Radeon HD 4850 X2 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.

Radeon R9 M280X is a Laptop Graphics Card

Note: Radeon R9 M280X 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 Radeon R9 M280X here:

Main Specs

  Radeon HD 4850 X2 Radeon R9 M280X
Power consumption (TDP) 250 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR3 Not Listed
Maximum RAM amount 512 MB
Display Connectors 4x DVI, 1x S-Video No outputs
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  • Radeon HD 4850 X2 is connected by PCIe 2.0 x16, and Radeon R9 M280X uses PCIe 3.0 x16 interface.
  • Radeon HD 4850 X2 is used in Desktops, and Radeon R9 M280X - in Laptops.
  • Radeon HD 4850 X2 is build with TeraScale architecture, and Radeon R9 M280X - with GCN.
  • Core clock speed of Radeon R9 M280X is 275 MHz higher, than Radeon HD 4850 X2.
  • Radeon HD 4850 X2 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 2−3 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 Radeon HD 4850 X2 in Assassin's Creed Odyssey is 20% more, than Radeon R9 M280X.

Full Specs

  Radeon HD 4850 X2 Radeon R9 M280X
Architecture TeraScale GCN
Code name R700 Saturn XT
Type Desktop Laptop
Release date 7 November 2008 1 February 2015
Pipelines 800 896
Core clock speed 625 MHz 900 MHz
Transistor count 956 million 2,080 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 25.00 61.60
Floating-point performance 2x 1,000.0 gflops 1,792 gflops
Length 267 mm
Memory bus width 256 Bit
Memory clock speed 1990 MHz
Memory bandwidth 63.68 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
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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