HD Graphics 630 vs Radeon R6 M340DX

Find out if it is worth upgrading your current GPU setup by comparing HD Graphics 630 and Radeon R6 M340DX. 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 HD Graphics 630 and Radeon R6 M340DX. 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 R6 M340DX is a Laptop Graphics Card

Note: Radeon R6 M340DX 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 R6 M340DX here:

Main Specs

  HD Graphics 630 Radeon R6 M340DX
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1 IGP
Memory type DDR3L/LPDDR3/LPDDR4 DDR3
Maximum RAM amount 64 GB
Display Connectors No outputs No outputs
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  • HD Graphics 630 is connected by PCIe 3.0 x1, and Radeon R6 M340DX uses IGP interface.
  • HD Graphics 630 is used in Desktops, and Radeon R6 M340DX - in Laptops.
  • HD Graphics 630 is build with Gen. 9.5 Kaby Lake architecture, and Radeon R6 M340DX - with GCN.
  • HD Graphics 630 is manufactured by 14 nm process technology, and Radeon R6 M340DX - by 28 nm process technology.

Game benchmarks

high / 1080p 3−4 2−3
ultra / 1080p 1−2 2−3
QHD / 1440p 0−1 0−1
low / 720p 14−16 10−11
medium / 1080p 5−6 3−4
The average gaming FPS of HD Graphics 630 in Assassin's Creed Odyssey is 50% more, than Radeon R6 M340DX.

Full Specs

  HD Graphics 630 Radeon R6 M340DX
Architecture Gen. 9.5 Kaby Lake GCN
Code name Kaby-Lake-H-GT2 Jet
Type Desktop Laptop
Release date 1 January 2017 3 June 2015
Pipelines 24 704
Core clock speed 300 MHz
Boost Clock 1150 MHz 1030 MHz
Transistor count 189 million 690 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 26.40 24.72
Floating-point performance 441.6 gflops
Memory bus width 64/128 Bit
Shared memory + -
DirectX 12 (12_1) 12 (11_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.1.103 1.2.131
Laptop size medium sized
Quick Sync +
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