GeForce 840M vs Radeon Pro Vega 16

Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and Radeon Pro Vega 16. 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 Radeon Pro Vega 16. 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 Radeon Pro Vega 16 are Laptop Graphics Cards

Note: GeForce 840M and Radeon Pro Vega 16 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 Radeon Pro Vega 16 here:

Main Specs

  GeForce 840M Radeon Pro Vega 16
Power consumption (TDP) 33 Watt 75 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Memory type DDR3 HBM2
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon Pro Vega 16 has 127% more power consumption, than GeForce 840M.
  • GeForce 840M is connected by PCIe 3.0 x8, and Radeon Pro Vega 16 uses PCIe 3.0 x16 interface.
  • GeForce 840M and Radeon Pro Vega 16 have maximum RAM of 4 GB.
  • GeForce 840M is used in Laptops, and Radeon Pro Vega 16 - in Mobile workstations.
  • GeForce 840M is build with Maxwell architecture, and Radeon Pro Vega 16 - with Vega.
  • GeForce 840M is manufactured by 28 nm process technology, and Radeon Pro Vega 16 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro Vega 16 is 400 MHz higher, than GeForce 840M.

Game benchmarks

high / 1080p 1−2 24−27
ultra / 1080p 0−1 14−16
QHD / 1440p 0−1 9−10
4K / 2160p 6−7
low / 720p 12−14 45−50
medium / 1080p 3−4 30−33
The average gaming FPS of Radeon Pro Vega 16 in Assassin's Creed Odyssey is 466% more, than GeForce 840M.

Full Specs

  GeForce 840M Radeon Pro Vega 16
Architecture Maxwell Vega
Code name N15S-GT Vega Mobile
Type Laptop Mobile workstation
Release date 12 March 2014 15 November 2018
Pipelines 384 1024
Core clock speed 1029 MHz
Boost Clock 1124 MHz 1190 MHz
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.98 76.16
Floating-point performance 863.2 gflops
Memory bus width 64 Bit 1024 Bit
Memory clock speed 2000 MHz 2400 MHz
Memory bandwidth 16.02 GB/s 307.2 GB/s
Shared memory - -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.3
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
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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