HD Graphics 630 vs Radeon RX 640

Find out if it is worth upgrading your current GPU setup by comparing HD Graphics 630 and Radeon RX 640. 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 RX 640. 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 640 is a Laptop Graphics Card

Note: Radeon RX 640 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 640 here:

Main Specs

  HD Graphics 630 Radeon RX 640
Power consumption (TDP) 15 Watt 50 Watt
Interface PCIe 3.0 x1 PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3L/LPDDR3/LPDDR4 GDDR5
Maximum RAM amount 64 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon RX 640 has 233% more power consumption, than HD Graphics 630.
  • HD Graphics 630 is connected by PCIe 3.0 x1, and Radeon RX 640 uses PCIe 3.0 x8 interface.
  • HD Graphics 630 has 60 GB more memory, than Radeon RX 640.
  • HD Graphics 630 is used in Desktops, and Radeon RX 640 - in Laptops.
  • HD Graphics 630 is build with Gen. 9.5 Kaby Lake architecture, and Radeon RX 640 - with Polaris.
  • Core clock speed of Radeon RX 640 is 918 MHz higher, than HD Graphics 630.
  • HD Graphics 630 and Radeon RX 640 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 3−4 5−6
ultra / 1080p 1−2 3−4
QHD / 1440p 0−1 2−3
low / 720p 14−16 16−18
medium / 1080p 5−6 7−8
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 33% more, than HD Graphics 630.

Full Specs

  HD Graphics 630 Radeon RX 640
Architecture Gen. 9.5 Kaby Lake Polaris
Code name Kaby-Lake-H-GT2 Polaris 12
Type Desktop Laptop
Release date 1 January 2017 12 August 2019
Pipelines 24 640
Core clock speed 300 MHz 1218 MHz
Boost Clock 1150 MHz 1218 MHz
Transistor count 189 million 2,200 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 26.40 38.98
Floating-point performance 441.6 gflops
Memory bus width 64/128 Bit 64 Bit
Memory clock speed 6000 MHz
Memory bandwidth 112.0 GB/s
Shared memory + -
DirectX 12 (12_1) 12 (12_0)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 2.1 2.0
Vulkan 1.1.103 1.2.131
FreeSync +
Laptop size large
Quick Sync +
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