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GeForce GTX 660 Ti vs Radeon HD 5830

Intro

The GeForce GTX 660 Ti features core speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 memory. It features 1344 SPUs along with 112 TAUs and 24 Rasterization Operator Units.

Compare those specs to the Radeon HD 5830, which has GPU clock speed of 800 MHz, and 1024 MB of GDDR5 memory set to run at 1000 MHz through a 256-bit bus. It also features 1120(224x5) Stream Processors, 56 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
Radeon HD 5830 175 Watts
Difference: 25 Watts (17%)

Memory Bandwidth

The GeForce GTX 660 Ti should in theory be a bit faster than the Radeon HD 5830 in general. (explain)

GeForce GTX 660 Ti 144000 MB/sec
Radeon HD 5830 128000 MB/sec
Difference: 16000 (13%)

Texel Rate

The GeForce GTX 660 Ti is much (approximately 129%) faster with regards to anisotropic filtering than the Radeon HD 5830. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 57680 (129%)

Pixel Rate

The GeForce GTX 660 Ti will be a lot (more or less 72%) more effective at AA than the Radeon HD 5830, and will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 9160 (72%)

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 660 Ti

Amazon.com

Check prices at:

Radeon HD 5830

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 660 Ti Radeon HD 5830
Manufacturer nVidia AMD
Year August 2012 February 25, 2010
Code Name GK104 Cypress LE
Memory 2048 MB 1024 MB
Core Speed 915 MHz 800 MHz
Memory Speed 6000 MHz 4000 MHz
Power (Max TDP) 150 watts 175 watts
Bandwidth 144000 MB/sec 128000 MB/sec
Texel Rate 102480 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 21960 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 1344 1120(224x5)
Texture Mapping Units 112 56
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 28 nm 40 nm
Transistors 3540 million 2154 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.3 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high 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 number of texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per 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. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 660 Ti

Amazon.com

Check prices at:

Radeon HD 5830

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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