Mobility Radeon HD 4870 vs Radeon R5 M435

When choosing between Mobility Radeon HD 4870 and Radeon R5 M435, 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 Mobility Radeon HD 4870 and Radeon R5 M435.

Mobility Radeon HD 4870 is a Laptop Graphics Card

Note: Mobility Radeon HD 4870 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 4870 here:

Main Specs

  Mobility Radeon HD 4870 Radeon R5 M435
Interface PCIe 2.0 x16 PCIe 3.0 x8
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon R5 M435 uses PCIe 3.0 x8 interface.
  • Radeon R5 M435 has 1 GB more memory, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is used in Laptops, and Radeon R5 M435 - in Desktops.
  • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon R5 M435 - with GCN 1.0.
  • Core clock speed of Radeon R5 M435 is 230 MHz higher, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon R5 M435 - by 28 nm process technology.
  • Memory clock speed of Radeon R5 M435 is 3612 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 R5 M435.

Full Specs

  Mobility Radeon HD 4870 Radeon R5 M435
Architecture Terascale 1 GCN 1.0
Code name M98-XT Jet
Type Laptop Desktop
Release date 9 January 2009 15 May 2016
Pipelines 800 320
Core clock speed 550 MHz 780 MHz
Boost Clock 1030 MHz
Transistor count 956 million 690 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 22.00 20.60
Floating-point performance 880.0 gflops 547.2 gflops
Memory bus width 256 Bit 64 Bit
Memory clock speed 888 MHz 4500 MHz
Memory bandwidth 56.83 GB/s 36 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 (11_1)
Shader Model 4.1 5.1
OpenGL 3.3 4.6
OpenCL 1.1 1.2
Vulkan N/A 1.2.131
Laptop size large
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