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| GeForce GTX 550 Ti vs GT 630 PCIe x8 |
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Differences What are the advantages of each
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Significantly higher effective memory clock speed | 4,104 MHz | vs | 1,800 MHz | More than 2.2x higher effective memory clock speed | |||
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Significantly higher memory bandwidth | 98.5 GB/s | vs | 14.4 GB/s | More than 6.8x higher memory bandwidth | |||
More render output processors | 24 | vs | 8 | Three times as many render output processors | |||
Wider memory bus | 192 bit | vs | 64 bit | 3x wider memory bus | |||
Slightly higher texture rate | 28.8 GTexel/s | vs | 14.43 GTexel/s | Around 2x higher texture rate | |||
More texture mapping units | 32 | vs | 16 | Twice as many texture mapping units | |||
Higher memory clock speed | 1,026 MHz | vs | 900 MHz | Around 15% higher memory clock speed | |||
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More memory | 2,048 MB | vs | 1,024 MB | 2x more memory | |||
Slightly more shading units | 384 | vs | 192 | Twice as many shading units | |||
Significantly lower TDP | 25W | vs | 116W | 4.6x lower TDP |
Features Key features of the GeForce GTX 550 Ti vs GT 630 PCIe x8
memory bandwidth Rate at which data can be read from or stored in onboard memory
GeForce GTX 550 Ti
98.5 GB/s
GeForce GT 630 PCIe x8
14.4 GB/s
pixel rate Number of pixels a graphics card can render to the screen every second
GeForce GTX 550 Ti
7.2 GPixel/s
GeForce GT 630 PCIe x8
7.22 GPixel/s
texture rate Speed at which a graphics card can perform texture mapping
GeForce GTX 550 Ti
28.8 GTexel/s
GeForce GT 630 PCIe x8
14.43 GTexel/s
floating point performance How fast the gpu can crunch numbers
GeForce GTX 550 Ti
691.2 GFLOPS
GeForce GT 630 PCIe x8
692.7 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
gpu | GeForce GTX 550 Ti | vs | GT 630 PCIe x8 |
---|---|---|---|
GPU brand | Nvidia | Nvidia | |
GPU name | GF116 | GK208 | |
Market | Desktop | Desktop | |
Clock speed | 900 MHz | 902 MHz | |
Is dual GPU | No | No | |
Reference card | None | None | |
raw performance | |||
Shading units | 192 | 384 | |
Texture mapping units | 32 | 16 | |
Render output processors | 24 | 8 | |
Pixel rate | 7.2 GPixel/s | 7.22 GPixel/s | |
Texture rate | 28.8 GTexel/s | 14.43 GTexel/s | |
Floating-point performance | 691.2 GFLOPS | 692.7 GFLOPS |
memory | GeForce GTX 550 Ti | vs | GT 630 PCIe x8 |
---|---|---|---|
Memory clock speed | 1,026 MHz | 900 MHz | |
Effective memory clock speed | 4,104 MHz | 1,800 MHz | |
Memory bus | 192 bit | 64 bit | |
Memory | 1,024 MB | 2,048 MB | |
Memory type | GDDR5 | DDR3 | |
Memory bandwidth | 98.5 GB/s | 14.4 GB/s | |
noise and power | |||
TDP | 116W | 25W |
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