GeForce 840A vs Radeon R7 M270DX

If you are going to buy a new graphics card and are choosing between GeForce 840A and Radeon R7 M270DX, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 840A stacks up against Radeon R7 M270DX, check out specs charts below.
GeForce 840A
Radeon R7 M270DX

Main Specs

  GeForce 840A Radeon R7 M270DX
Power consumption (TDP) 33 Watt
Interface PCIe 3.0 x8 IGP
Memory type DDR3 System Shared
Maximum RAM amount 2 GB
Display Connectors No outputs No outputs
 
  • GeForce 840A is connected by PCIe 3.0 x8, and Radeon R7 M270DX uses IGP interface.
  • Both cards are used in Desktops.
  • GeForce 840A is build with Maxwell architecture, and Radeon R7 M270DX - with GCN 3.0.
  • Core clock speed of GeForce 840A is 129 MHz higher, than Radeon R7 M270DX.
  • GeForce 840A and Radeon R7 M270DX are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 3−4 2−3
ultra / 1080p 2−3 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 33% more, than Radeon R7 M270DX.

Full Specs

  GeForce 840A Radeon R7 M270DX
Architecture Maxwell GCN 3.0
Code name GM108 Topaz
Type Desktop Desktop
Release date 17 March 2014 11 June 2014
Pipelines 384 384
Core clock speed 1029 MHz 900 MHz
Boost Clock 1124 MHz 940 MHz
Transistor count 1,550 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 22.56
Floating-point performance 863.2 gflops
Memory bus width 64 Bit
Memory clock speed 2002 MHz
Memory bandwidth 16.02 GB/s
DirectX 12 (11_0) 12 (12_0)
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