GeForce 840A vs Radeon Pro Vega 16

When comparing GeForce 840A and Radeon Pro Vega 16, 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 840A and Radeon Pro Vega 16 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon Pro Vega 16 is a Laptop Graphics Card

Note: Radeon Pro Vega 16 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 Radeon Pro Vega 16 here:

Main Specs

  GeForce 840A 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 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon Pro Vega 16 has 127% more power consumption, than GeForce 840A.
  • GeForce 840A is connected by PCIe 3.0 x8, and Radeon Pro Vega 16 uses PCIe 3.0 x16 interface.
  • Radeon Pro Vega 16 has 2 GB more memory, than GeForce 840A.
  • GeForce 840A is used in Desktops, and Radeon Pro Vega 16 - in Mobile workstations.
  • GeForce 840A is build with Maxwell architecture, and Radeon Pro Vega 16 - with Vega.
  • GeForce 840A 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 398 MHz higher, than GeForce 840A.

Game benchmarks

high / 1080p 3−4 24−27
ultra / 1080p 2−3 14−16
QHD / 1440p 0−1 9−10
4K / 2160p 6−7
low / 720p 14−16 45−50
medium / 1080p 5−6 30−33
The average gaming FPS of Radeon Pro Vega 16 in Assassin's Creed Odyssey is 383% more, than GeForce 840A.

Full Specs

  GeForce 840A Radeon Pro Vega 16
Architecture Maxwell Vega
Code name GM108 Vega Mobile
Type Desktop Mobile workstation
Release date 17 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 2002 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 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA 5.0
Laptop size large
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