Cast your vote Do you agree or disagree with GPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!

Differences What are the advantages of each

Front view of GeForce GT 630 PCIe x8

Reasons to consider the
Nvidia GeForce GT 630 PCIe x8

Report a correction
Higher clock speed 902 MHz vs 700 MHz Around 30% higher clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
More shading units 384 vs 96 288 more shading units
Lower TDP 25W vs 49W Around 50% lower TDP
Front view of GeForce GT 620

Reasons to consider the
Nvidia GeForce GT 620

Report a correction

GPUBoss is not aware of any important advantages of the 620 vs the 630 PCIe x8 GeForce GT 630 Rev. 2 PCIe x8.

Features Key features of the GeForce GT 630 PCIe x8  vs 620 

memory bandwidth Rate at which data can be read from or stored in onboard memory

pixel rate Number of pixels a graphics card can render to the screen every second

GeForce GT 630 PCIe x8
7.22 GPixel/s
GeForce GT 620
2.8 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

GeForce GT 630 PCIe x8
14.43 GTexel/s
GeForce GT 620
11.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 630 PCIe x8
692.7 GFLOPS
GeForce GT 620
268.8 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Specifications Full list of technical specs


GeForce GT 630 PCIe x8  vs
GPU brand Nvidia Nvidia
GPU name GK208 GF108
Market Desktop Desktop
Clock speed 902 MHz 700 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 384 96
Texture mapping units 16 16
Render output processors 8 4
Pixel rate 7.22 GPixel/s 2.8 GPixel/s
Texture rate 14.43 GTexel/s 11.2 GTexel/s
Floating-point performance 692.7 GFLOPS 268.8 GFLOPS


GeForce GT 630 PCIe x8  vs
Memory clock speed 900 MHz 900 MHz
Effective memory clock speed 1,800 MHz 1,800 MHz
Memory bus 64 bit 64 bit
Memory 2,048 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 14.4 GB/s 14.4 GB/s

noise and power

TDP 25W 49W

Read more


comments powered by Disqus