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GeForce GTX 285 1GB vs GeForce GTX 465

Intro

The GeForce GTX 285 1GB comes with core speeds of 648 MHz on the GPU, and 1242 MHz on the 1024 MB of GDDR3 memory. It features 240 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 465, which comes with core clock speeds of 607 MHz on the GPU, and 802 MHz on the 1024 MB of GDDR5 memory. It features 352 SPUs along with 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

Theoretically speaking, the GeForce GTX 285 1GB is 55% faster than the GeForce GTX 465 overall, due to its higher bandwidth. (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 a lot (about 94%) more effective at 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

The GeForce GTX 285 1GB is a small bit (about 7%) faster with regards to anti-aliasing than the GeForce GTX 465, and also will be able to handle higher screen resolutions while still performing well. (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

Display 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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics 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 maximum number of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum 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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