Mobility Radeon HD 4870 vs Radeon HD 5830

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Radeon HD 5830, 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 5830, check out specs charts below.

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 HD 5830
Power consumption (TDP) 175 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Mobility Radeon HD 4870 and Radeon HD 5830 have maximum RAM of 1 GB.
  • Mobility Radeon HD 4870 is used in Laptops, and Radeon HD 5830 - in Desktops.
  • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 5830 - with TeraScale 2.
  • Core clock speed of Radeon HD 5830 is 250 MHz higher, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 5830 - by 40 nm process technology.
  • Memory clock speed of Radeon HD 5830 is 3112 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 7−8 8−9
ultra / 1080p 4−5 5−6
QHD / 1440p 0−1 0−1
low / 720p 16−18 18−20
medium / 1080p 8−9 10−11
The average gaming FPS of Radeon HD 5830 in Assassin's Creed Odyssey is 11% more, than Mobility Radeon HD 4870.

Full Specs

  Mobility Radeon HD 4870 Radeon HD 5830
Architecture Terascale 1 TeraScale 2
Code name M98-XT Cypress
Type Laptop Desktop
Release date 9 January 2009 25 February 2010
Pipelines 800 1120
Core clock speed 550 MHz 800 MHz
Transistor count 956 million 2,154 million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 22.00 44.80
Floating-point performance 880.0 gflops 1,792.0 gflops
Length 282 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 888 MHz 4000 MHz
Memory bandwidth 56.83 GB/s 128.0 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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