GeForce 840M vs Iris Plus Graphics G4 Ice Lake 48 EU

When choosing between GeForce 840M and Iris Plus Graphics G4 Ice Lake 48 EU, 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 840M and Iris Plus Graphics G4 Ice Lake 48 EU.

GeForce 840M and Iris Plus Graphics G4 Ice Lake 48 EU are Laptop Graphics Cards

Note: GeForce 840M and Iris Plus Graphics G4 Ice Lake 48 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 G4 Ice Lake 48 EU here:

Main Specs

  GeForce 840M Iris Plus Graphics G4 Ice Lake 48 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 G4 Ice Lake 48 EU - with Gen. 11 Ice Lake.
  • Core clock speed of GeForce 840M is 729 MHz higher, than Iris Plus Graphics G4 Ice Lake 48 EU.
  • GeForce 840M is manufactured by 28 nm process technology, and Iris Plus Graphics G4 Ice Lake 48 EU - by 10 nm process technology.

Game benchmarks

high / 1080p 1−2 9−10
ultra / 1080p 0−1 5−6
QHD / 1440p 0−1 0−1
low / 720p 12−14 21−24
medium / 1080p 3−4 10−12
The average gaming FPS of Iris Plus Graphics G4 Ice Lake 48 EU in Assassin's Creed Odyssey is 133% more, than GeForce 840M.

Full Specs

  GeForce 840M Iris Plus Graphics G4 Ice Lake 48 EU
Architecture Maxwell Gen. 11 Ice Lake
Code name N15S-GT Ice Lake G4 Gen. 11
Type Laptop Laptop
Release date 12 March 2014 28 May 2019
Pipelines 384 48
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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