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GeForce GTX 285 1GB vs GeForce GTX 465

Intro

The GeForce GTX 285 1GB makes use of a 55 nm design. nVidia has clocked the core speed at 648 MHz. The GDDR3 memory runs at a speed of 1242 MHz on this specific model. It features 240 SPUs along with 80 Texture Address Units and 32 Rasterization Operator Units.

Compare all of that to the GeForce GTX 465, which features a clock speed of 607 MHz and a GDDR5 memory speed of 802 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It features 352 SPUs, 44 Texture Address Units, and 32 ROPs.

Display Graphs

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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

The GeForce GTX 285 1GB, in theory, should perform much faster than the GeForce GTX 465 overall. (explain)

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

Texel Rate

The GeForce GTX 285 1GB should be quite a bit (approximately 94%) faster with regards to texture 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 using lots of anti-aliasing is important to you, then the GeForce GTX 285 1GB is superior to the GeForce GTX 465, though 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 max amount of information (in units of MB per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential 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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