GeForce 840M vs Tesla M6

When comparing GeForce 840M and Tesla M6, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce 840M and Tesla M6 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

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 840M Tesla M6
Power consumption (TDP) 33 Watt 100 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 8 GB
Display Connectors No outputs No outputs
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  • Tesla M6 has 203% more power consumption, than GeForce 840M.
  • GeForce 840M is connected by PCIe 3.0 x8, and Tesla M6 uses PCIe 3.0 x16 interface.
  • Tesla M6 has 4 GB more memory, than GeForce 840M.
  • GeForce 840M is used in Laptops, and Tesla M6 - in Desktops.
  • GeForce 840M is build with Maxwell architecture, and Tesla M6 - with Maxwell 2.0.
  • Core clock speed of GeForce 840M is 99 MHz higher, than Tesla M6.
  • GeForce 840M and Tesla M6 are manufactured by 28 nm process technology.
  • Memory clock speed of Tesla M6 is 3012 MHz higher, than GeForce 840M.

Game benchmarks

high / 1080p 1−2 35−40
ultra / 1080p 0−1 24−27
QHD / 1440p 0−1 20−22
4K / 2160p 10−12
low / 720p 12−14 65−70
medium / 1080p 3−4 45−50
The average gaming FPS of Tesla M6 in Assassin's Creed Odyssey is 733% more, than GeForce 840M.

Full Specs

  GeForce 840M Tesla M6
Architecture Maxwell Maxwell 2.0
Code name N15S-GT GM204
Type Laptop Workstation
Release date 12 March 2014 30 August 2015
Pipelines 384 1536
Core clock speed 1029 MHz 930 MHz
Boost Clock 1124 MHz 1180 MHz
Transistor count 5,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 113.3
Floating-point performance 863.2 gflops 3,625 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 2000 MHz 5012 MHz
Memory bandwidth 16.02 GB/s 160.4 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.1.126
CUDA + 5.2
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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