GeForce GTX 675MX vs Mobility Radeon HD 4870

When choosing between GeForce GTX 675MX and Mobility Radeon HD 4870, 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 GeForce GTX 675MX and Mobility Radeon HD 4870.

GeForce GTX 675MX and Mobility Radeon HD 4870 are Laptop Graphics Cards

Note: GeForce GTX 675MX and Mobility Radeon HD 4870 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 GeForce GTX 675MX or Mobility Radeon HD 4870 here:

Main Specs

  GeForce GTX 675MX Mobility Radeon HD 4870
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 675MX is connected by MXM-B (3.0), and Mobility Radeon HD 4870 uses PCIe 2.0 x16 interface.
  • GeForce GTX 675MX has 1 GB more memory, than Mobility Radeon HD 4870.
  • Both cards are used in Laptops.
  • GeForce GTX 675MX is build with Kepler architecture, and Mobility Radeon HD 4870 - with Terascale 1.
  • Core clock speed of GeForce GTX 675MX is 50 MHz higher, than Mobility Radeon HD 4870.
  • GeForce GTX 675MX is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 - by 55 nm process technology.
  • Memory clock speed of GeForce GTX 675MX is 912 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 9−10 7−8
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 16−18
medium / 1080p 12−14 8−9
The average gaming FPS of GeForce GTX 675MX in Assassin's Creed Odyssey is 33% more, than Mobility Radeon HD 4870.

Full Specs

  GeForce GTX 675MX Mobility Radeon HD 4870
Architecture Kepler Terascale 1
Code name N13E-GSR M98-XT
Type Laptop Laptop
Release date 1 October 2012 9 January 2009
Pipelines 960 800
Core clock speed 600 MHz 550 MHz
Transistor count 3,540 million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 48.0 billion/sec 22.00
Floating-point performance 1,256 gflops 880.0 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 1800 MHz 888 MHz
Memory bandwidth 115.2 GB/s 56.83 GB/s
Shared memory - -
DirectX 12 API 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.5 3.3
OpenCL 1.1 1.1
Vulkan 1.1.126 N/A
CUDA +
CUDA cores 960
Bus support PCI Express 2.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 63 Mh/s
Laptop size large large
Optimus +
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