Mobility Radeon HD 4870 vs Radeon HD 8650G plus HD 8670M Dual Graphics

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Radeon HD 8650G plus HD 8670M Dual Graphics, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 4870 stacks up against Radeon HD 8650G plus HD 8670M Dual Graphics, check out specs charts below.

Mobility Radeon HD 4870 and Radeon HD 8650G plus HD 8670M Dual Graphics are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 and Radeon HD 8650G plus HD 8670M 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 or Radeon HD 8650G plus HD 8670M Dual Graphics here:

Main Specs

  Mobility Radeon HD 4870 Radeon HD 8650G plus HD 8670M Dual Graphics
Interface PCIe 2.0 x16
Memory type GDDR5 DDR3
Maximum RAM amount 1 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Core clock speed of Radeon HD 8650G plus HD 8670M Dual Graphics is 170 MHz higher, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 8650G plus HD 8670M Dual Graphics - by 32 / 28 nm process technology.
  • Memory clock speed of Radeon HD 8650G plus HD 8670M Dual Graphics is 912 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 7−8 0−1
ultra / 1080p 4−5 0−1
QHD / 1440p 0−1 0−1
low / 720p 16−18 10−12
medium / 1080p 8−9 2−3
The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 100% more, than Radeon HD 8650G plus HD 8670M Dual Graphics.

Full Specs

  Mobility Radeon HD 4870 Radeon HD 8650G plus HD 8670M Dual Graphics
Architecture Terascale 1
Code name M98-XT
Type Laptop Laptop
Release date 9 January 2009 1 August 2013
Pipelines 800 768
Core clock speed 550 MHz 720 / 775 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 32 / 28 nm
Texture fill rate 22.00
Floating-point performance 880.0 gflops
Memory bus width 256 Bit 64 Bit
Memory clock speed 888 MHz 1800 - 2000 MHz
Memory bandwidth 56.83 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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