GeForce 830A vs GeForce 840M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 830A and GeForce 840M. 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 830A and GeForce 840M. 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 is a Laptop Graphics Card

Note: GeForce 840M 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 840M here:

Main Specs

  GeForce 830A GeForce 840M
Power consumption (TDP) 33 Watt 33 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x8
Memory type DDR3 DDR3
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 33 Watt.
  • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
  • GeForce 840M has 2 GB more memory, than GeForce 830A.
  • GeForce 830A is used in Desktops, and GeForce 840M - in Laptops.
  • GeForce 830A and GeForce 840M are build with Maxwell architecture.
  • Core clock speed of GeForce 830A is 53 MHz higher, than GeForce 840M.
  • GeForce 830A and GeForce 840M are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce 840M is 200 MHz higher, than GeForce 830A.

Game benchmarks

high / 1080p 2−3 1−2
ultra / 1080p 0−1 0−1
QHD / 1440p 0−1 0−1
low / 720p 12−14 12−14
medium / 1080p 4−5 3−4
GeForce 830A and GeForce 840M have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GeForce 830A GeForce 840M
Architecture Maxwell Maxwell
Code name GM108 N15S-GT
Type Desktop Laptop
Release date 22 July 2014 12 March 2014
Pipelines 256 384
Core clock speed 1082 MHz 1029 MHz
Boost Clock 1150 MHz 1124 MHz
Manufacturing process technology 28 nm 28 nm
Texture fill rate 18.40 17.98
Floating-point performance 588.8 gflops 863.2 gflops
Memory bus width 64 Bit 64 Bit
Memory clock speed 1800 MHz 2000 MHz
Memory bandwidth 14.4 GB/s 16.02 GB/s
Shared memory -
DirectX 12 (11_0) 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.5
OpenCL 1.2 1.2
Vulkan 1.1.126 1.1.126
CUDA 5.0 +
Bus support PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size medium sized
Optimus +
GPU Boost 2.0
GameWorks +
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