GeForce 840A vs Iris Graphics 550

Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and Iris Graphics 550. 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 Iris Graphics 550. 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.

Iris Graphics 550 is a Laptop Graphics Card

Note: Iris Graphics 550 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 Iris Graphics 550 here:

Main Specs

  GeForce 840A Iris Graphics 550
Power consumption (TDP) 33 Watt 15 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x1
Memory type DDR3 eDRAM
Maximum RAM amount 2 GB 64 MB
Display Connectors No outputs No outputs
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  • GeForce 840A has 120% more power consumption, than Iris Graphics 550.
  • GeForce 840A is connected by PCIe 3.0 x8, and Iris Graphics 550 uses PCIe 3.0 x1 interface.
  • Iris Graphics 550 has 62 GB more memory, than GeForce 840A.
  • GeForce 840A is used in Desktops, and Iris Graphics 550 - in Laptops.
  • GeForce 840A is build with Maxwell architecture, and Iris Graphics 550 - with Gen. 9 Skylake.
  • Core clock speed of GeForce 840A is 729 MHz higher, than Iris Graphics 550.
  • GeForce 840A is manufactured by 28 nm process technology, and Iris Graphics 550 - by 14 nm process technology.

Game benchmarks

high / 1080p 3−4 9−10
ultra / 1080p 2−3 5−6
QHD / 1440p 0−1 0−1
low / 720p 14−16 21−24
medium / 1080p 5−6 10−12
The average gaming FPS of Iris Graphics 550 in Assassin's Creed Odyssey is 100% more, than GeForce 840A.

Full Specs

  GeForce 840A Iris Graphics 550
Architecture Maxwell Gen. 9 Skylake
Code name GM108 Skylake GT3e
Type Desktop Laptop
Release date 17 March 2014 1 September 2015
Pipelines 384 48
Core clock speed 1029 MHz 300 MHz
Boost Clock 1124 MHz 1100 MHz
Transistor count 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.98 52.80
Floating-point performance 863.2 gflops
Memory bus width 64 Bit
Memory clock speed 2002 MHz
Memory bandwidth 16.02 GB/s
Shared memory +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.1.126 1.1.97
CUDA 5.0
Quick Sync +
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