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GeForce GTX 285 1GB vs GeForce GTX 570

Intro

The GeForce GTX 285 1GB makes use of a 55 nm design. nVidia has clocked the core frequency at 648 MHz. The GDDR3 memory is set to run at a speed of 1242 MHz on this particular model. It features 240 SPUs as well as 80 Texture Address Units and 32 ROPs.

Compare those specs to the GeForce GTX 570, which has GPU clock speed of 732 MHz, and 1280 MB of GDDR5 memory running at 950 MHz through a 320-bit bus. It also is comprised of 480 SPUs, 60 Texture Address Units, and 40 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 1GB 204 Watts
GeForce GTX 570 219 Watts
Difference: 15 Watts (7%)

Memory Bandwidth

The GeForce GTX 285 1GB should in theory be a small bit faster than the GeForce GTX 570 overall. (explain)

GeForce GTX 285 1GB 158976 MB/sec
GeForce GTX 570 152000 MB/sec
Difference: 6976 (5%)

Texel Rate

The GeForce GTX 285 1GB will be a bit (approximately 18%) faster with regards to texture filtering than the GeForce GTX 570. (explain)

GeForce GTX 285 1GB 51840 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 7920 (18%)

Pixel Rate

The GeForce GTX 570 should be much (about 41%) more effective at full screen anti-aliasing than the GeForce GTX 285 1GB, and able to handle higher resolutions more effectively. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce GTX 285 1GB 20736 Mpixels/sec
Difference: 8544 (41%)

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

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GeForce GTX 570

Amazon.com

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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 570
Manufacturer nVidia nVidia
Year January 15, 2009 December 2010
Code Name G200b GF110
Memory 1024 MB 1280 MB
Core Speed 648 MHz 732 MHz
Memory Speed 2484 MHz 3800 MHz
Power (Max TDP) 204 watts 219 watts
Bandwidth 158976 MB/sec 152000 MB/sec
Texel Rate 51840 Mtexels/sec 43920 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 240 480
Texture Mapping Units 80 60
Render Output Units 32 40
Bus Type GDDR3 GDDR5
Bus Width 512-bit 320-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 maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 are processed in one second. This number 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 285 1GB

Amazon.com

Check prices at:

GeForce GTX 570

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.

Comments

3 Responses to “GeForce GTX 285 1GB vs GeForce GTX 570”
Asus GTX 570 - Page 3 - ABXZone Computer Forums says:

[...] Asus GTX 570 Well this is bull.. "theoretical" comparison GeForce GTX 285 1GB vs GeForce GTX 570 – Performance Comparison Benchmarks @ Hardware Compare How in hell would a card of 2 generations back beat out a current generation.. unless it would be [...]

GTX 285 SLI vs GTX 580 - Seite 2 - Forum de Luxx says:

[...] Ist es GTX 570 wirklich so eine gute karte ? Viele Leute habe das empfohlen. http://www.hwcompare.com/9053/geforc...force-gtx-570/ Ist das echt ein "vorsprung" ? Ich meine, lohnt es sich von GTX 285 --> GTX 570 ? [...]

PCIe NVIDIA - Bfg gtx 285 ocx says:

[...] Valor: $100.000.- No Conversables Review: BFG GeForce GTX 285 OCX review GTX 285 VS 570: GeForce GTX 285 1GB vs GeForce GTX 570 – Performance Comparison Benchmarks @ Hardware Compare [...]

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