GeForce 840A vs Radeon RX 480 mobile

Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and Radeon RX 480 mobile. 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 Radeon RX 480 mobile. 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.

Radeon RX 480 mobile is a Laptop Graphics Card

Note: Radeon RX 480 mobile 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 RX 480 mobile here:

Main Specs

  GeForce 840A Radeon RX 480 mobile
Power consumption (TDP) 33 Watt 100 Watt
Interface PCIe 3.0 x8 MXM-B (3.0)
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs No outputs
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  • Radeon RX 480 mobile has 203% more power consumption, than GeForce 840A.
  • GeForce 840A is connected by PCIe 3.0 x8, and Radeon RX 480 mobile uses MXM-B (3.0) interface.
  • Radeon RX 480 mobile has 6 GB more memory, than GeForce 840A.
  • GeForce 840A is used in Desktops, and Radeon RX 480 mobile - in Laptops.
  • GeForce 840A is build with Maxwell architecture, and Radeon RX 480 mobile - with Polaris.
  • GeForce 840A is manufactured by 28 nm process technology, and Radeon RX 480 mobile - by 14 nm process technology.
  • Memory clock speed of Radeon RX 480 mobile is 5998 MHz higher, than GeForce 840A.

Game benchmarks

high / 1080p 3−4 12−14
ultra / 1080p 2−3 7−8
QHD / 1440p 0−1 0−1
low / 720p 14−16 27−30
medium / 1080p 5−6 14−16
The average gaming FPS of Radeon RX 480 mobile in Assassin's Creed Odyssey is 166% more, than GeForce 840A.

Full Specs

  GeForce 840A Radeon RX 480 mobile
Architecture Maxwell Polaris
Code name GM108 Polaris
Type Desktop Laptop
Release date 17 March 2014 1 August 2016
Pipelines 384 2304
Core clock speed 1029 MHz
Boost Clock 1124 MHz 1077 MHz
Transistor count 5,700 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.98 155.1
Floating-point performance 863.2 gflops 4,963 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 2002 MHz 8000 MHz
Memory bandwidth 16.02 GB/s 256.0 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_0)
Shader Model 5.1 6.4
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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