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GeForce GTX 285 1GB vs GeForce GTX 480

Intro

The GeForce GTX 285 1GB has core clock 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 that to the GeForce GTX 480, which comes with a core clock speed of 700 MHz and a GDDR5 memory speed of 924 MHz. It also makes use of a 384-bit memory bus, and uses a 40 nm design. It is made up of 480 SPUs, 60 TAUs, and 48 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 1GB 204 Watts
GeForce GTX 480 250 Watts
Difference: 46 Watts (23%)

Memory Bandwidth

The GeForce GTX 480, in theory, should be a little bit faster than the GeForce GTX 285 1GB in general. (explain)

GeForce GTX 480 177408 MB/sec
GeForce GTX 285 1GB 158976 MB/sec
Difference: 18432 (12%)

Texel Rate

The GeForce GTX 285 1GB is quite a bit (about 23%) more effective at AF than the GeForce GTX 480. (explain)

GeForce GTX 285 1GB 51840 Mtexels/sec
GeForce GTX 480 42000 Mtexels/sec
Difference: 9840 (23%)

Pixel Rate

The GeForce GTX 480 should be a lot (approximately 62%) faster with regards to full screen anti-aliasing than the GeForce GTX 285 1GB, and should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 480 33600 Mpixels/sec
GeForce GTX 285 1GB 20736 Mpixels/sec
Difference: 12864 (62%)

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 480

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 480
Manufacturer nVidia nVidia
Year January 15, 2009 March 2010
Code Name G200b GF100
Memory 1024 MB 1536 MB
Core Speed 648 MHz 700 MHz
Memory Speed 2484 MHz 3696 MHz
Power (Max TDP) 204 watts 250 watts
Bandwidth 158976 MB/sec 177408 MB/sec
Texel Rate 51840 Mtexels/sec 42000 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 33600 Mpixels/sec
Unified Shaders 240 480
Texture Mapping Units 80 60
Render Output Units 32 48
Bus Type GDDR3 GDDR5
Bus Width 512-bit 384-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 largest amount of information (measured in MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video 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 maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core 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 output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

Amazon.com

Check prices at:

GeForce GTX 480

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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