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GeForce GTX 285 1GB vs GeForce GTX 465

Intro

The GeForce GTX 285 1GB features a clock frequency of 648 MHz and a GDDR3 memory frequency of 1242 MHz. It also makes use of a 512-bit memory bus, and uses a 55 nm design. It is comprised of 240 SPUs, 80 TAUs, and 32 ROPs.

Compare all that to the GeForce GTX 465, which has a clock speed of 607 MHz and a GDDR5 memory frequency of 802 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is made up of 352 SPUs, 44 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 465 200 Watts
GeForce GTX 285 1GB 204 Watts
Difference: 4 Watts (2%)

Memory Bandwidth

Performance-wise, the GeForce GTX 285 1GB should in theory be quite a bit superior to the GeForce GTX 465 in general. (explain)

GeForce GTX 285 1GB 158976 MB/sec
GeForce GTX 465 102592 MB/sec
Difference: 56384 (55%)

Texel Rate

The GeForce GTX 285 1GB is much (more or less 94%) better at anisotropic filtering than the GeForce GTX 465. (explain)

GeForce GTX 285 1GB 51840 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 25132 (94%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 285 1GB is a better choice, but not by far. (explain)

GeForce GTX 285 1GB 20736 Mpixels/sec
GeForce GTX 465 19424 Mpixels/sec
Difference: 1312 (7%)

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 285 1GB

Amazon.com

Check prices at:

GeForce GTX 465

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 285 1GB GeForce GTX 465
Manufacturer nVidia nVidia
Year January 15, 2009 May 2010
Code Name G200b GF100
Memory 1024 MB 1024 MB
Core Speed 648 MHz 607 MHz
Memory Speed 2484 MHz 3208 MHz
Power (Max TDP) 204 watts 200 watts
Bandwidth 158976 MB/sec 102592 MB/sec
Texel Rate 51840 Mtexels/sec 26708 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 19424 Mpixels/sec
Unified Shaders 240 352
Texture Mapping Units 80 44
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 3000 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If 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 high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

Amazon.com

Check prices at:

GeForce GTX 465

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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