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GeForce GTX 285 2GB vs Radeon HD 6570 (OEM) 1GB

Intro

The GeForce GTX 285 2GB has a core clock speed of 648 MHz and a GDDR3 memory speed of 1242 MHz. It also makes use of a 512-bit bus, and makes use of a 55 nm design. It is made up of 240 SPUs, 80 TAUs, and 32 Raster Operation Units.

Compare those specs to the Radeon HD 6570 (OEM) 1GB, which has a core clock speed of 650 MHz and a GDDR3 memory frequency of 900 MHz. It also features a 128-bit bus, and makes use of a 40 nm design. It is comprised of 480 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB 50 Watts
GeForce GTX 285 2GB 204 Watts
Difference: 154 Watts (308%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 285 2GB should perform a lot faster than the Radeon HD 6570 (OEM) 1GB in general. (explain)

GeForce GTX 285 2GB 158976 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 130176 (452%)

Texel Rate

The GeForce GTX 285 2GB will be quite a bit (about 232%) faster with regards to texture filtering than the Radeon HD 6570 (OEM) 1GB. (explain)

GeForce GTX 285 2GB 51840 Mtexels/sec
Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
Difference: 36240 (232%)

Pixel Rate

The GeForce GTX 285 2GB is quite a bit (more or less 299%) more effective at AA than the Radeon HD 6570 (OEM) 1GB, and also will be able to handle higher screen resolutions better. (explain)

GeForce GTX 285 2GB 20736 Mpixels/sec
Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
Difference: 15536 (299%)

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 2GB

Amazon.com

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Radeon HD 6570 (OEM) 1GB

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 2GB Radeon HD 6570 (OEM) 1GB
Manufacturer nVidia AMD
Year January 15, 2009 February 2011
Code Name G200b Turks
Memory 2048 MB 1024 MB
Core Speed 648 MHz 650 MHz
Memory Speed 2484 MHz 1800 MHz
Power (Max TDP) 204 watts 50 watts
Bandwidth 158976 MB/sec 28800 MB/sec
Texel Rate 51840 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 240 480
Texture Mapping Units 80 24
Render Output Units 32 8
Bus Type GDDR3 GDDR3
Bus Width 512-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 715 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, 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 most pixels that the graphics card can 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 ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 285 2GB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 1GB

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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