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GeForce GTX 275 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 275 features a GPU clock speed of 633 MHz, and the 896 MB of GDDR3 memory is set to run at 1134 MHz through a 448-bit bus. It also is comprised of 240 SPUs, 80 TAUs, and 28 Raster Operation Units.

Compare all of that to the GeForce GTX 650 Ti 2GB, which uses a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 memory works at a speed of 1350 MHz on this model. It features 768 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

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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

As far as performance goes, the GeForce GTX 275 should theoretically be much better 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 (more or less 17%) faster with regards to AF 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

If running with a high screen resolution is important to you, then the GeForce GTX 275 is a better choice, though not by far. (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

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.

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 max amount of information (counted in MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max 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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