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GeForce GTX 260 Core 216 vs Radeon HD 5770


Intro

The GeForce GTX 260 Core 216 features a GPU core clock speed of 576 MHz, and the 896 MB of GDDR3 RAM runs at 999 MHz through a 448-bit bus. It also features 216 SPUs, 72 Texture Address Units, and 28 Raster Operation Units.

Compare those specs to the Radeon HD 5770, which features a clock frequency of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is made up of 800(160x5) SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 94 Watts (87%)

Memory Bandwidth

Theoretically, the GeForce GTX 260 Core 216 should be a lot faster than the Radeon HD 5770 overall. (explain)

GeForce GTX 260 Core 216 111888 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 35088 (46%)

Texel Rate

The GeForce GTX 260 Core 216 will be much (more or less 22%) more effective at anisotropic filtering than the Radeon HD 5770. (explain)

GeForce GTX 260 Core 216 41472 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 7472 (22%)

Pixel Rate

The GeForce GTX 260 Core 216 should be a small bit (about 19%) more effective at anti-aliasing than the Radeon HD 5770, and also capable of handling higher resolutions more effectively. (explain)

GeForce GTX 260 Core 216 16128 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 2528 (19%)

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

Display Prices

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GeForce GTX 260 Core 216

Amazon.com

Radeon HD 5770

Amazon.com

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 260 Core 216 Radeon HD 5770
Manufacturer nVidia AMD
Year September 16, 2008 October 13, 2009
Code Name G200 Juniper XT
Memory 896 MB 1024 MB
Core Speed 576 MHz 850 MHz
Memory Speed 1998 MHz 4800 MHz
Power (Max TDP) 202 watts 108 watts
Bandwidth 111888 MB/sec 76800 MB/sec
Texel Rate 41472 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 216 800(160x5)
Texture Mapping Units 72 40
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1040 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 260 Core 216

Amazon.com

Radeon HD 5770

Amazon.com

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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