Mobility Radeon HD 4850 vs Radeon HD 7950

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4850 and Radeon HD 7950. 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 HD 7950. 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 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

  Mobility Radeon HD 4850 Radeon HD 7950
Power consumption (TDP) 200 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 1 GB 3 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Mobility Radeon HD 4850 is connected by PCIe 2.0 x16, and Radeon HD 7950 uses PCIe 3.0 x16 interface.
  • Radeon HD 7950 has 2 GB more memory, than Mobility Radeon HD 4850.
  • Mobility Radeon HD 4850 is used in Laptops, and Radeon HD 7950 - in Desktops.
  • Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 7950 - with GCN 1.0.
  • Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 7950 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 7950 is 400 MHz higher, than Mobility Radeon HD 4850.

Game benchmarks

high / 1080p 3−4 35−40
ultra / 1080p 1−2 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 14−16 60−65
medium / 1080p 5−6 40−45
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 583% more, than Mobility Radeon HD 4850.

Full Specs

  Mobility Radeon HD 4850 Radeon HD 7950
Architecture Terascale 1 GCN 1.0
Code name M98 Tahiti
Type Laptop Desktop
Release date 9 January 2009 31 January 2012
Pipelines 800 1792
Core clock speed 500 MHz
Boost Clock 1250 MHz
Transistor count 956 million 4,313 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 20.00 89.60
Floating-point performance 800.0 gflops 2,867 gflops
Length 267 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 850 MHz 1250 MHz
Memory bandwidth 54.4 GB/s 240 GB/s
Shared memory -
DirectX 10.1 (10_1)
Shader Model 4.1 5.1
OpenGL 3.3 4.6
OpenCL 1.1 1.2
Vulkan N/A
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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