Mobility Radeon HD 4870 X2 vs Radeon HD 7660G plus HD 7670M Dual Graphics

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 X2 and Radeon HD 7660G plus HD 7670M Dual Graphics. 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 4870 X2 and Radeon HD 7660G plus HD 7670M Dual Graphics. 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 4870 X2 and Radeon HD 7660G plus HD 7670M Dual Graphics are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 X2 and Radeon HD 7660G plus HD 7670M Dual Graphics are only used in laptop graphics. They have 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 4870 X2 or Radeon HD 7660G plus HD 7670M Dual Graphics here:

Main Specs

  Mobility Radeon HD 4870 X2 Radeon HD 7660G plus HD 7670M Dual Graphics
Interface PCIe 2.0 x16
Memory type GDDR3, GDDR5 DDR3,GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon HD 7660G plus HD 7670M Dual Graphics - with Terascale 2.
  • Core clock speed of Radeon HD 7660G plus HD 7670M Dual Graphics is 135 MHz higher, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 7660G plus HD 7670M Dual Graphics - by 40 / 32 nm process technology.
  • Memory clock speed of Radeon HD 7660G plus HD 7670M Dual Graphics is 912 MHz higher, than Mobility Radeon HD 4870 X2.

Game benchmarks

high / 1080p 9−10 1−2
ultra / 1080p 5−6 0−1
QHD / 1440p 0−1 0−1
low / 720p 21−24 12−14
medium / 1080p 12−14 3−4
The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 150% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.

Full Specs

  Mobility Radeon HD 4870 X2 Radeon HD 7660G plus HD 7670M Dual Graphics
Architecture Terascale 1 Terascale 2
Code name M98-XT
Type Laptop Laptop
Release date 9 January 2009 15 May 2012
Pipelines 1600 862
Core clock speed 550 MHz 685 / 600 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 40 / 32 nm
Texture fill rate 22.00
Floating-point performance 2x 880.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 888 MHz 1800 MHz
Memory bandwidth 89.6 GB/s
Shared memory - -
DirectX 10.1 (10_1) DirectX 11, Shader 5.0
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Laptop size large medium sized
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