GeForce 840M vs Mobility Radeon HD 5850

Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and Mobility Radeon HD 5850. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840M and Mobility Radeon HD 5850. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce 840M and Mobility Radeon HD 5850 are Laptop Graphics Cards

Note: GeForce 840M and Mobility Radeon HD 5850 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 5850 here:

Main Specs

  GeForce 840M Mobility Radeon HD 5850
Power consumption (TDP) 33 Watt 30 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Memory type DDR3 DDR3, GDDR3, GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs No outputs
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  • GeForce 840M has 10% more power consumption, than Mobility Radeon HD 5850.
  • GeForce 840M is connected by PCIe 3.0 x8, and Mobility Radeon HD 5850 uses PCIe 2.0 x16 interface.
  • GeForce 840M has 3 GB more memory, than Mobility Radeon HD 5850.
  • Both cards are used in Laptops.
  • GeForce 840M is build with Maxwell architecture, and Mobility Radeon HD 5850 - with Terascale 2.
  • Core clock speed of GeForce 840M is 404 MHz higher, than Mobility Radeon HD 5850.
  • GeForce 840M is manufactured by 28 nm process technology, and Mobility Radeon HD 5850 - by 40 nm process technology.
  • Memory clock speed of GeForce 840M and Mobility Radeon HD 5850 is 2000 MHz.

Game benchmarks

high / 1080p 1−2 5−6
ultra / 1080p 0−1 3−4
QHD / 1440p 0−1 0−1
low / 720p 12−14 14−16
medium / 1080p 3−4 7−8
The average gaming FPS of Mobility Radeon HD 5850 in Assassin's Creed Odyssey is 50% more, than GeForce 840M.

Full Specs

  GeForce 840M Mobility Radeon HD 5850
Architecture Maxwell Terascale 2
Code name N15S-GT Broadway-PRO
Type Laptop Laptop
Release date 12 March 2014 7 January 2010
Pipelines 384 800
Core clock speed 1029 MHz 625 MHz
Boost Clock 1124 MHz
Transistor count 1,040 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 17.98 20.00
Floating-point performance 863.2 gflops 800.0 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 2000 MHz
Memory bandwidth 16.02 GB/s 64 GB/s
Shared memory - -
DirectX 12 (11_0) 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.2 1.2
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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