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GeForce GTX 570 vs Radeon HD 4850 X2 1GB

Intro

The GeForce GTX 570 comes with a core clock frequency of 732 MHz and a GDDR5 memory speed of 950 MHz. It also features a 320-bit bus, and uses a 40 nm design. It features 480 SPUs, 60 Texture Address Units, and 40 Raster Operation Units.

Compare all that to the Radeon HD 4850 X2 1GB, which uses a 55 nm design. AMD has set the core speed at 625 MHz. The GDDR3 memory works at a frequency of 993 MHz on this particular card. It features 800(160x5) SPUs along with 40 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 570 219 Watts
Radeon HD 4850 X2 1GB 250 Watts
Difference: 31 Watts (14%)

Memory Bandwidth

The GeForce GTX 570 should in theory perform a bit faster than the Radeon HD 4850 X2 1GB overall. (explain)

GeForce GTX 570 152000 MB/sec
Radeon HD 4850 X2 1GB 127104 MB/sec
Difference: 24896 (20%)

Texel Rate

The Radeon HD 4850 X2 1GB will be a bit (more or less 14%) better at texture filtering than the GeForce GTX 570. (explain)

Radeon HD 4850 X2 1GB 50000 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 6080 (14%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 570 is a better choice, and very much so. (explain)

GeForce GTX 570 29280 Mpixels/sec
Radeon HD 4850 X2 1GB 20000 Mpixels/sec
Difference: 9280 (46%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 570

Amazon.com

Check prices at:

Radeon HD 4850 X2 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 570 Radeon HD 4850 X2 1GB
Manufacturer nVidia AMD
Year December 2010 Nov 7, 2008
Code Name GF110 R700
Memory 1280 MB 1024 MB (x2)
Core Speed 732 MHz 625 MHz (x2)
Memory Speed 3800 MHz 1986 MHz (x2)
Power (Max TDP) 219 watts 250 watts
Bandwidth 152000 MB/sec 127104 MB/sec
Texel Rate 43920 Mtexels/sec 50000 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 20000 Mpixels/sec
Unified Shaders 480 800(160x5) (x2)
Texture Mapping Units 60 40 (x2)
Render Output Units 40 16 (x2)
Bus Type GDDR5 GDDR3
Bus Width 320-bit 256-bit (x2)
Fab Process 40 nm 55 nm
Transistors 3000 million 956 million
Bus PCIe x16 PCIe 2.0 x16 (PCIe bridge)
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 chip can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 570

Amazon.com

Check prices at:

Radeon HD 4850 X2 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.

Comments

One Response to “GeForce GTX 570 vs Radeon HD 4850 X2 1GB”
Barett says:

I would love to see some Game Benchmarks for this comparison. I was thinking of upgrading, but idk if it is truly worth it yet.

Civ 5, and SC2 are the games I am most interested in.

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