GeForce GTX 660 vs UHD Graphics 630

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and UHD Graphics 630. 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 GTX 660 and UHD Graphics 630. 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.

Main Specs

  GeForce GTX 660 UHD Graphics 630
Power consumption (TDP) 140 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors One 6-pin
Memory type GDDR5 System Shared
Maximum RAM amount 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GTX 660 has 833% more power consumption, than UHD Graphics 630.
  • GeForce GTX 660 is connected by PCIe 3.0 x16, and UHD Graphics 630 uses PCIe 3.0 x1 interface.
  • Both cards are used in Desktops.
  • GeForce GTX 660 is build with Kepler architecture, and UHD Graphics 630 - with Gen. 9.5.
  • Core clock speed of GeForce GTX 660 is 680 MHz higher, than UHD Graphics 630.
  • GeForce GTX 660 is manufactured by 28 nm process technology, and UHD Graphics 630 - by 14 nm process technology.

Game benchmarks

high / 1080p 20−22 3−4
ultra / 1080p 12−14 1−2
QHD / 1440p 6−7 0−1
4K / 2160p 5−6
low / 720p 40−45 14−16
medium / 1080p 24−27 5−6
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 316% more, than UHD Graphics 630.

Full Specs

  GeForce GTX 660 UHD Graphics 630
Architecture Kepler Gen. 9.5
Code name GK106 Kaby-Lake-H-GT2
Type Desktop Desktop
Release date 6 September 2012 1 October 2017
Pipelines 960 24
Core clock speed 980 MHz 300 MHz
Boost Clock 1033 MHz 1150 MHz
Transistor count 2,540 million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 78.4 billion/sec 26.45
Floating-point performance 1,981 gflops 460.8 gflops
Length 9.5" (24.1 cm)
Memory bus width 192-bit GDDR5 64/128 Bit
Memory clock speed 6.0 GB/s
Memory bandwidth 144.2 GB/s
Shared memory +
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.5
OpenGL 4.3 4.6
OpenCL 1.2 2.1
Vulkan 1.1.126 1.1.103
CUDA +
CUDA cores 960
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options +
Multi monitor support 4 displays
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
3D Blu-Ray +
3D Gaming +
3D Vision +
Bitcoin / BTC (SHA256) 66 Mh/s
Quick Sync +
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