Radeon HD 7950 vs Radeon R9 M485X

When choosing between Radeon HD 7950 and Radeon R9 M485X, 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 7950 and Radeon R9 M485X.

Radeon R9 M485X is a Laptop Graphics Card

Note: Radeon R9 M485X 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 M485X here:

Main Specs

  Radeon HD 7950 Radeon R9 M485X
Power consumption (TDP) 200 Watt 250 Watt
Interface PCIe 3.0 x16 MXM-B (3.0)
Supplementary power connectors 2x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 8 GB MB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon R9 M485X has 25% more power consumption, than Radeon HD 7950.
  • Radeon HD 7950 is connected by PCIe 3.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
  • Radeon R9 M485X has 5 GB more memory, than Radeon HD 7950.
  • Radeon HD 7950 is used in Desktops, and Radeon R9 M485X - in Laptops.
  • Radeon HD 7950 is build with GCN 1.0 architecture, and Radeon R9 M485X - with GCN 3.
  • Radeon HD 7950 and Radeon R9 M485X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M485X is 3750 MHz higher, than Radeon HD 7950.

Game benchmarks

high / 1080p 35−40 24−27
ultra / 1080p 21−24 14−16
QHD / 1440p 16−18 10−11
4K / 2160p 10−11 6−7
low / 720p 60−65 45−50
medium / 1080p 40−45 30−35
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 45% more, than Radeon R9 M485X.

Full Specs

  Radeon HD 7950 Radeon R9 M485X
Architecture GCN 1.0 GCN 3
Code name Tahiti Amethyst
Type Desktop Laptop
Release date 31 January 2012 14 May 2016
Pipelines 1792 2048
Core clock speed 723 MHz
Boost Clock 1250 MHz
Transistor count 4,313 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 89.60 92.54
Floating-point performance 2,867 gflops 2,961 gflops
Length 267 mm
Memory bus width 384 Bit 256 Bit
Memory clock speed 1250 MHz 5000 MHz
Memory bandwidth 240 GB/s 160.0 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 5.1 6.3
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
Monero / XMR (CryptoNight) 0.56 kh/s
FreeSync +
Bus support PCIe 3.0 x16
HDMI +
Bitcoin / BTC (SHA256) 381 Mh/s
Laptop size large
Eyefinity +
PowerTune +
ZeroCore +
Design reference
Number of Eyefinity displays 6
CrossFire +
Decred / DCR (Decred) 0.78 Gh/s
Ethereum / ETH (DaggerHashimoto) 13.86 Mh/s
Zcash / ZEC (Equihash) 250 Sol/s
Compute units 28
AppAcceleration +
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