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GeForce GTX 295 vs GeForce GTX 465

Intro

The GeForce GTX 295 has a GPU core clock speed of 576 MHz, and the 896 MB of GDDR3 memory is set to run at 999 MHz through a 448-bit bus. It also is made up of 240 Stream Processors, 80 Texture Address Units, and 28 Raster Operation Units.

Compare that to the GeForce GTX 465, which features GPU core speed of 607 MHz, and 1024 MB of GDDR5 RAM set to run at 802 MHz through a 256-bit bus. It also is made up of 352 Stream Processors, 44 Texture Address Units, and 32 Raster Operation Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 465 200 Watts
GeForce GTX 295 289 Watts
Difference: 89 Watts (45%)

Memory Bandwidth

The GeForce GTX 295 should in theory be quite a bit faster than the GeForce GTX 465 in general. (explain)

GeForce GTX 295 223776 MB/sec
GeForce GTX 465 102592 MB/sec
Difference: 121184 (118%)

Texel Rate

The GeForce GTX 295 is much (approximately 245%) more effective at AF than the GeForce GTX 465. (explain)

GeForce GTX 295 92160 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 65452 (245%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 295 is a better choice, and very much so. (explain)

GeForce GTX 295 32256 Mpixels/sec
GeForce GTX 465 19424 Mpixels/sec
Difference: 12832 (66%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 295

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

GeForce GTX 465

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

Specifications

Model GeForce GTX 295 GeForce GTX 465
Manufacturer nVidia nVidia
Year January 8, 2009 May 2010
Code Name G200b GF100
Fab Process 55 nm 40 nm
Bus PCIe x16 2.0 PCIe x16
Memory 896 MB (x2) 1024 MB
Core Speed 576 MHz (x2) 607 MHz
Shader Speed 1242 MHz (x2) 1215 MHz
Memory Speed 999 MHz (x2) 802 MHz
Unified Shaders 240 (x2) 352
Texture Mapping Units 80 (x2) 44
Render Output Units 28 (x2) 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit (x2) 256-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1
Power (Max TDP) 289 watts 200 watts
Shader Model 4.0 5.0
Bandwidth 223776 MB/sec 102592 MB/sec
Texel Rate 92160 Mtexels/sec 26708 Mtexels/sec
Pixel Rate 32256 Mpixels/sec 19424 Mpixels/sec

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 the video card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

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