GeForce 840M vs Mobility Radeon HD 4830

When choosing between GeForce 840M and Mobility Radeon HD 4830, 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 Mobility Radeon HD 4830.

GeForce 840M and Mobility Radeon HD 4830 are Laptop Graphics Cards

Note: GeForce 840M and Mobility Radeon HD 4830 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 Mobility Radeon HD 4830 here:

Main Specs

  GeForce 840M Mobility Radeon HD 4830
Power consumption (TDP) 33 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Memory type DDR3 GDDR3, DDR3
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs No outputs
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  • GeForce 840M is connected by PCIe 3.0 x8, and Mobility Radeon HD 4830 uses PCIe 2.0 x16 interface.
  • GeForce 840M has 3 GB more memory, than Mobility Radeon HD 4830.
  • Both cards are used in Laptops.
  • GeForce 840M is build with Maxwell architecture, and Mobility Radeon HD 4830 - with Terascale 1.
  • Core clock speed of GeForce 840M is 479 MHz higher, than Mobility Radeon HD 4830.
  • GeForce 840M is manufactured by 28 nm process technology, and Mobility Radeon HD 4830 - by 40 nm process technology.
  • Memory clock speed of GeForce 840M is 1300 MHz higher, than Mobility Radeon HD 4830.

Game benchmarks

high / 1080p 1−2 0−1
ultra / 1080p 0−1 0−1
QHD / 1440p 0−1 0−1
low / 720p 12−14 10−11
medium / 1080p 3−4 1−2
The average gaming FPS of GeForce 840M in Assassin's Creed Odyssey is 33% more, than Mobility Radeon HD 4830.

Full Specs

  GeForce 840M Mobility Radeon HD 4830
Architecture Maxwell Terascale 1
Code name N15S-GT M97
Type Laptop Laptop
Release date 12 March 2014 3 March 2009
Pipelines 384 640
Core clock speed 1029 MHz 550 MHz
Boost Clock 1124 MHz
Transistor count 826 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 17.98 17.60
Floating-point performance 863.2 gflops 704.0 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 700 MHz
Memory bandwidth 16.02 GB/s 44.8 GB/s
Shared memory - -
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.5 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA +
Bus support PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size medium sized large
Optimus +
GPU Boost 2.0
GameWorks +
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