Radeon HD 4850 X2 vs Radeon R9 M395X

When choosing between Radeon HD 4850 X2 and Radeon R9 M395X, 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 Radeon HD 4850 X2 and Radeon R9 M395X.

Radeon R9 M395X is a Laptop Graphics Card

Note: Radeon R9 M395X 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 M395X here:

Main Specs

  Radeon HD 4850 X2 Radeon R9 M395X
Power consumption (TDP) 250 Watt 250 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin None
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 4 GB
Display Connectors 4x DVI, 1x S-Video No outputs
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  • Both graphics cards have the same power consumption of 250 Watt.
  • Radeon HD 4850 X2 is connected by PCIe 2.0 x16, and Radeon R9 M395X uses PCIe 3.0 x16 interface.
  • Radeon HD 4850 X2 has 508 GB more memory, than Radeon R9 M395X.
  • Radeon HD 4850 X2 is used in Desktops, and Radeon R9 M395X - in Laptops.
  • Radeon HD 4850 X2 is build with TeraScale architecture, and Radeon R9 M395X - with GCN 3.
  • Core clock speed of Radeon R9 M395X is 98 MHz higher, than Radeon HD 4850 X2.
  • Radeon HD 4850 X2 is manufactured by 55 nm process technology, and Radeon R9 M395X - by 28 nm process technology.
  • Memory clock speed of Radeon HD 4850 X2 is 740 MHz higher, than Radeon R9 M395X.

Game benchmarks

high / 1080p 3−4 24−27
ultra / 1080p 2−3 14−16
QHD / 1440p 0−1 9−10
4K / 2160p 6−7
low / 720p 14−16 45−50
medium / 1080p 5−6 30−35
The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 400% more, than Radeon HD 4850 X2.

Full Specs

  Radeon HD 4850 X2 Radeon R9 M395X
Architecture TeraScale GCN 3
Code name R700 Amethyst XT
Type Desktop Laptop
Release date 7 November 2008 16 October 2014
Pipelines 800 2048
Core clock speed 625 MHz 723 MHz
Transistor count 956 million 5,000 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 25.00 92.54
Floating-point performance 2x 1,000.0 gflops 2,961 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1990 MHz 1250 MHz
Memory bandwidth 63.68 GB/s 160.0 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 PCIe 3.0
Bitcoin / BTC (SHA256) 413 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
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