GeForce GTX 775M vs Mobility Radeon HD 4870

In this comparison between GeForce GTX 775M and Mobility Radeon HD 4870 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GTX 775M will be the best choice, for others Mobility Radeon HD 4870 will be their preference. Study the comparison tables below and make your choice.

GeForce GTX 775M and Mobility Radeon HD 4870 are Laptop Graphics Cards

Note: GeForce GTX 775M 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 775M or Mobility Radeon HD 4870 here:

Main Specs

  GeForce GTX 775M Mobility Radeon HD 4870
Power consumption (TDP) 100 Watt
Interface PCIe 2.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs
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  • GeForce GTX 775M has 3 GB more memory, than Mobility Radeon HD 4870.
  • Both cards are used in Laptops.
  • GeForce GTX 775M is build with Kepler architecture, and Mobility Radeon HD 4870 - with Terascale 1.
  • Core clock speed of GeForce GTX 775M is 169 MHz higher, than Mobility Radeon HD 4870.
  • GeForce GTX 775M is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 - by 55 nm process technology.
  • Memory clock speed of GeForce GTX 775M is 2712 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 21−24 7−8
ultra / 1080p 12−14 4−5
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 16−18
medium / 1080p 27−30 8−9
The average gaming FPS of GeForce GTX 775M in Assassin's Creed Odyssey is 188% more, than Mobility Radeon HD 4870.

Full Specs

  GeForce GTX 775M Mobility Radeon HD 4870
Architecture Kepler Terascale 1
Code name N13E-GTX-A2 M98-XT
Type Laptop Laptop
Release date 24 September 2013 9 January 2009
Pipelines 1344 800
Core clock speed 719 MHz 550 MHz
Transistor count 3540 Million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 22.00
Floating-point performance 880.0 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 3600 MHz 888 MHz
Memory bandwidth 56.83 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0 10.1 (10_1)
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
CUDA +
SLI options +
Laptop size large large
Optimus +
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