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GeForce GTX 275 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 275 makes use of a 55 nm design. nVidia has clocked the core frequency at 633 MHz. The GDDR3 RAM runs at a speed of 1134 MHz on this card. It features 240 SPUs along with 80 Texture Address Units and 28 ROPs.

Compare all of that to the GeForce GTX 650 Ti 2GB, which has a core clock speed of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is made up of 768 SPUs, 64 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce GTX 275 219 Watts
Difference: 109 Watts (99%)

Memory Bandwidth

The GeForce GTX 275 should theoretically be quite a bit faster than the GeForce GTX 650 Ti 2GB overall. (explain)

GeForce GTX 275 127008 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 40608 (47%)

Texel Rate

The GeForce GTX 650 Ti 2GB will be a small bit (about 17%) better at anisotropic filtering than the GeForce GTX 275. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce GTX 275 50640 Mtexels/sec
Difference: 8752 (17%)

Pixel Rate

The GeForce GTX 275 should be a little bit (more or less 19%) more effective at anti-aliasing than the GeForce GTX 650 Ti 2GB, and able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 275 17724 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 2876 (19%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 275

Amazon.com

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GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 275 GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year April 9, 2009 October 2012
Code Name G200b GK106
Memory 896 MB 2048 MB
Core Speed 633 MHz 928 MHz
Memory Speed 2268 MHz 5400 MHz
Power (Max TDP) 219 watts 110 watts
Bandwidth 127008 MB/sec 86400 MB/sec
Texel Rate 50640 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 240 768
Texture Mapping Units 80 64
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 1400 million 2540 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 275

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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