GeForce 840M vs Iris Plus Graphics G7 Ice Lake 64 EU

In this comparison between GeForce 840M and Iris Plus Graphics G7 Ice Lake 64 EU 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 840M will be the best choice, for others Iris Plus Graphics G7 Ice Lake 64 EU will be their preference. Study the comparison tables below and make your choice.

GeForce 840M and Iris Plus Graphics G7 Ice Lake 64 EU are Laptop Graphics Cards

Note: GeForce 840M and Iris Plus Graphics G7 Ice Lake 64 EU 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 840M or Iris Plus Graphics G7 Ice Lake 64 EU here:

Main Specs

  GeForce 840M Iris Plus Graphics G7 Ice Lake 64 EU
Power consumption (TDP) 33 Watt
Interface PCIe 3.0 x8
Memory type DDR3 DDR4
Maximum RAM amount 4 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • GeForce 840M is build with Maxwell architecture, and Iris Plus Graphics G7 Ice Lake 64 EU - with Gen. 11 Ice Lake.
  • Core clock speed of GeForce 840M is 729 MHz higher, than Iris Plus Graphics G7 Ice Lake 64 EU.
  • GeForce 840M is manufactured by 28 nm process technology, and Iris Plus Graphics G7 Ice Lake 64 EU - by 10 nm process technology.

Game benchmarks

high / 1080p 1−2 14−16
ultra / 1080p 0−1 8−9
QHD / 1440p 0−1 3−4
low / 720p 12−14 27−30
medium / 1080p 3−4 16−18
The average gaming FPS of Iris Plus Graphics G7 Ice Lake 64 EU in Assassin's Creed Odyssey is 233% more, than GeForce 840M.

Full Specs

  GeForce 840M Iris Plus Graphics G7 Ice Lake 64 EU
Architecture Maxwell Gen. 11 Ice Lake
Code name N15S-GT Ice Lake G7 Gen. 11
Type Laptop Laptop
Release date 12 March 2014 28 May 2019
Pipelines 384 64
Core clock speed 1029 MHz 300 MHz
Boost Clock 1124 MHz 1100 MHz
Manufacturing process technology 28 nm 10 nm
Texture fill rate 17.98
Floating-point performance 863.2 gflops
Memory bus width 64 Bit
Memory clock speed 2000 MHz
Memory bandwidth 16.02 GB/s
Shared memory - +
DirectX 12 (11_0) DirectX 12_1
Shader Model 5.1
OpenGL 4.5
OpenCL 1.2
Vulkan 1.1.126
CUDA +
Bus support PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size medium sized
Optimus +
Quick Sync +
GPU Boost 2.0
GameWorks +
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