GeForce GT 630 PCIe x8 vs 630 |
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Differences What are the advantages of each
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| Higher clock speed | 902 MHz | vs | 810 MHz | More than 10% 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 | |||
| Higher memory clock speed | 900 MHz | vs | 800 MHz | Around 15% higher memory clock speed | |||
| Lower TDP | 25W | vs | 65W | 2.6x lower TDP | |||
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| Higher effective memory clock speed | 3,200 MHz | vs | 1,800 MHz | Around 80% higher effective memory clock speed | |||
| Higher memory bandwidth | 51.2 GB/s | vs | 14.4 GB/s | More than 3.5x higher memory bandwidth | |||
| Wider memory bus | 128 bit | vs | 64 bit | 2x wider memory bus | |||
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Features Key features of the GeForce GT 630 PCIe x8 vs 630
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
texture rate Speed at which a graphics card can perform texture mapping
floating point performance How fast the gpu can crunch numbers
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
gpu | GeForce GT 630 PCIe x8 | vs | 630 |
|---|---|---|---|
| GPU brand | Nvidia | Nvidia | |
| GPU name | GK208 | GF108 | |
| Market | Desktop | Desktop | |
| Clock speed | 902 MHz | 810 MHz | |
| Is dual GPU | No | No | |
| Reference card | None | Nvidia GeForce GT 630 810 MHz 1 GB | |
raw performance | |||
| Shading units | 384 | 96 | |
| Texture mapping units | 16 | 16 | |
| Render output processors | 8 | 4 | |
| Pixel rate | 7.22 GPixel/s | 3.24 GPixel/s | |
| Texture rate | 14.43 GTexel/s | 12.96 GTexel/s | |
| Floating-point performance | 692.7 GFLOPS | 311.04 GFLOPS | |
memory | GeForce GT 630 PCIe x8 | vs | 630 |
|---|---|---|---|
| Memory clock speed | 900 MHz | 800 MHz | |
| Effective memory clock speed | 1,800 MHz | 3,200 MHz | |
| Memory bus | 64 bit | 128 bit | |
| Memory | 2,048 MB | 1,024 MB | |
| Memory type | DDR3 | GDDR5 | |
| Memory bandwidth | 14.4 GB/s | 51.2 GB/s | |
noise and power | |||
| TDP | 25W | 65W | |
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