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GeForce GTX 260 Core 216 vs Radeon HD 5770

Intro

The GeForce GTX 260 Core 216 comes with a clock speed of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also makes use of a 448-bit memory bus, and makes use of a 65 nm design. It is made up of 216 SPUs, 72 TAUs, and 28 ROPs.

Compare that to the Radeon HD 5770, which features a clock frequency of 850 MHz and a GDDR5 memory frequency of 1200 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It features 800(160x5) SPUs, 40 Texture Address Units, 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 perform much 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 is quite a bit (approximately 22%) more effective at texture 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 bit (more or less 19%) faster with regards to anti-aliasing than the Radeon HD 5770, and also will be capable of handling higher resolutions without slowing down too much. (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

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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 (counted in megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics 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 amount of ROPs by the clock speed of the card. 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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.

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