Mobility Radeon HD 4850 vs Radeon HD 7670A

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4850 and Radeon HD 7670A. 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 7670A. 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 7670A
Power consumption (TDP) 45 Watt
Interface PCIe 2.0 x16 MXM-A (3.0)
Memory type GDDR3 GDDR5
Maximum RAM amount 1 GB 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 HD 7670A uses MXM-A (3.0) interface.
  • Mobility Radeon HD 4850 and Radeon HD 7670A have maximum RAM of 1 GB.
  • Mobility Radeon HD 4850 is used in Laptops, and Radeon HD 7670A - in Desktops.
  • Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 7670A - with TeraScale 2.
  • Core clock speed of Radeon HD 7670A is 100 MHz higher, than Mobility Radeon HD 4850.
  • Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 7670A - by 40 nm process technology.
  • Memory clock speed of Radeon HD 7670A is 3150 MHz higher, than Mobility Radeon HD 4850.

Game benchmarks

high / 1080p 3−4 1−2
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of Mobility Radeon HD 4850 in Assassin's Creed Odyssey is 33% more, than Radeon HD 7670A.

Full Specs

  Mobility Radeon HD 4850 Radeon HD 7670A
Architecture Terascale 1 TeraScale 2
Code name M98 Turks
Type Laptop Desktop
Release date 9 January 2009 5 January 2012
Pipelines 800 480
Core clock speed 500 MHz 600 MHz
Transistor count 956 million 716 million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 20.00 14.40
Floating-point performance 800.0 gflops 576.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 850 MHz 4000 MHz
Memory bandwidth 54.4 GB/s 64 GB/s
Shared memory -
DirectX 10.1 (10_1) 11.2 (11_0)
Shader Model 4.1 5.0
OpenGL 3.3 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
Laptop size large
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