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GeForce GTX 275 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 275 features a GPU core speed of 633 MHz, and the 896 MB of GDDR3 RAM runs at 1134 MHz through a 448-bit bus. It also features 240 SPUs, 80 TAUs, and 28 Raster Operation Units.

Compare that to the GeForce GTX 650 Ti 2GB, which comes with core clock speeds of 928 MHz on the GPU, and 1350 MHz on the 2048 MB of GDDR5 RAM. It features 768 SPUs along with 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

As far as performance goes, the GeForce GTX 275 should in theory be a lot superior to 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 is a bit (approximately 17%) more effective at texture 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 will be a bit (about 19%) more effective at anti-aliasing than the GeForce GTX 650 Ti 2GB, and capable of handling higher screen 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

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 largest amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential 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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