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GeForce GTX 275 vs GeForce GTX 880M

Intro

The GeForce GTX 275 features a core clock frequency of 633 MHz and a GDDR3 memory speed of 1134 MHz. It also uses a 448-bit bus, and uses a 55 nm design. It features 240 SPUs, 80 Texture Address Units, and 28 ROPs.

Compare that to the GeForce GTX 880M, which has a clock frequency of 954 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It features 1536 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
GeForce GTX 275 219 Watts
Difference: 89 Watts (68%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 880M should in theory be a small bit superior to the GeForce GTX 275 in general. (explain)

GeForce GTX 880M 128000 MB/sec
GeForce GTX 275 127008 MB/sec
Difference: 992 (1%)

Texel Rate

The GeForce GTX 880M will be much (more or less 141%) more effective at AF than the GeForce GTX 275. (explain)

GeForce GTX 880M 122112 Mtexels/sec
GeForce GTX 275 50640 Mtexels/sec
Difference: 71472 (141%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 880M is superior to the GeForce GTX 275, by a large margin. (explain)

GeForce GTX 880M 30528 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 12804 (72%)

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 880M

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 880M
Manufacturer nVidia nVidia
Year April 9, 2009 March 12 2014
Code Name G200b GK104
Memory 896 MB 4096 MB
Core Speed 633 MHz 954 MHz
Memory Speed 2268 MHz 4000 MHz
Power (Max TDP) 219 watts 130 watts
Bandwidth 127008 MB/sec 128000 MB/sec
Texel Rate 50640 Mtexels/sec 122112 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 30528 Mpixels/sec
Unified Shaders 240 1536
Texture Mapping Units 80 128
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 55 nm 28 nm
Transistors 1400 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 275

Amazon.com

Check prices at:

GeForce GTX 880M

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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