GeForce 840A vs GeForce GTX 765M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and GeForce GTX 765M. 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 840A and GeForce GTX 765M. 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 GTX 765M is a Laptop Graphics Card

Note: GeForce GTX 765M 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 GTX 765M here:

Main Specs

  GeForce 840A GeForce GTX 765M
Power consumption (TDP) 33 Watt 75 Watt
Interface PCIe 3.0 x8 MXM-B (3.0)
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 765M has 127% more power consumption, than GeForce 840A.
  • GeForce 840A is connected by PCIe 3.0 x8, and GeForce GTX 765M uses MXM-B (3.0) interface.
  • GeForce 840A and GeForce GTX 765M have maximum RAM of 2 GB.
  • GeForce 840A is used in Desktops, and GeForce GTX 765M - in Laptops.
  • GeForce 840A is build with Maxwell architecture, and GeForce GTX 765M - with Kepler.
  • Core clock speed of GeForce 840A is 179 MHz higher, than GeForce GTX 765M.
  • GeForce 840A and GeForce GTX 765M are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce 840A is 2 MHz higher, than GeForce GTX 765M.

Game benchmarks

high / 1080p 3−4 9−10
ultra / 1080p 2−3 5−6
QHD / 1440p 0−1 0−1
low / 720p 14−16 21−24
medium / 1080p 5−6 12−14
The average gaming FPS of GeForce GTX 765M in Assassin's Creed Odyssey is 100% more, than GeForce 840A.

Full Specs

  GeForce 840A GeForce GTX 765M
Architecture Maxwell Kepler
Code name GM108 N14-GE
Type Desktop Laptop
Release date 17 March 2014 30 May 2013
Pipelines 384 768
Core clock speed 1029 MHz 850 MHz
Boost Clock 1124 MHz 863 MHz
Transistor count 2,540 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 55.23
Floating-point performance 863.2 gflops 1,326 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 2002 MHz 2000 MHz
Memory bandwidth 16.02 GB/s 64.0 GB/s
Shared memory -
DirectX 12 (11_0) 12 API
Shader Model 5.1 5.1
OpenGL 4.6 4.5
OpenCL 1.2 1.1
Vulkan 1.1.126 1.1.126
CUDA 5.0 +
CUDA cores 768
Bus support PCI Express 3.0, PCI Express 2.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 24 Mh/s
Laptop size large
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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