GeForce 920MX vs Radeon HD 7870

In this comparison between GeForce 920MX and Radeon HD 7870 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 920MX will be the best choice, for others Radeon HD 7870 will be their preference. Study the comparison tables below and make your choice.

GeForce 920MX is a Laptop Graphics Card

Note: GeForce 920MX 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 GeForce 920MX here:

Main Specs

  GeForce 920MX Radeon HD 7870
Power consumption (TDP) 16 Watt 175 Watt
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs
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  • Radeon HD 7870 has 993% more power consumption, than GeForce 920MX.
  • GeForce 920MX and Radeon HD 7870 have maximum RAM of 2 GB.
  • GeForce 920MX is used in Laptops, and Radeon HD 7870 - in Desktops.
  • GeForce 920MX is build with Maxwell architecture, and Radeon HD 7870 - with GCN.
  • Core clock speed of Radeon HD 7870 is 35 MHz higher, than GeForce 920MX.
  • GeForce 920MX and Radeon HD 7870 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870 is 3000 MHz higher, than GeForce 920MX.

Game benchmarks

high / 1080p 2−3 24−27
ultra / 1080p 0−1 14−16
QHD / 1440p 0−1 9−10
4K / 2160p 6−7
low / 720p 12−14 45−50
medium / 1080p 3−4 30−33
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 466% more, than GeForce 920MX.

Full Specs

  GeForce 920MX Radeon HD 7870
Architecture Maxwell GCN
Code name N16V-GMR Pitcairn XT
Type Laptop Desktop
Release date 25 March 2015 5 March 2012
Pipelines 256 1280
Core clock speed 965 MHz 1000 MHz
Boost Clock 993 MHz
Transistor count 2800 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 23.83
Floating-point performance 602.1 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 4800 MHz
Memory bandwidth 14.4 GB/s
Shared memory - -
DirectX 12 (11_0) DirectX 11.1, Shader 5.1
Shader Model 5.1
OpenGL 4.5
OpenCL 1.2
Vulkan 1.1.126
CUDA +
Monero / XMR (CryptoNight) 0.39 kh/s
Bus support PCI Express 3.0
Optimus +
Eyefinity +
Decred / DCR (Decred) 0.63 Gh/s
Ethereum / ETH (DaggerHashimoto) 16.6 Mh/s
Zcash / ZEC (Equihash) 145 Sol/s
GPU Boost 2.0
GameWorks +
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