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GeForce GTX 660 Ti vs Radeon RX 5500 XT

Intro

The GeForce GTX 660 Ti comes with a GPU core speed of 915 MHz, and the 2048 MB of GDDR5 memory runs at 1500 MHz through a 192-bit bus. It also features 1344 Stream Processors, 112 TAUs, and 24 ROPs.

Compare those specs to the Radeon RX 5500 XT, which uses a 7 nm design. AMD has set the core frequency at 1717 MHz. The GDDR6 memory works at a speed of 14000 MHz on this particular model. It features 1408 SPUs along with 88 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT 130 Watts
GeForce GTX 660 Ti 150 Watts
Difference: 20 Watts (15%)

Memory Bandwidth

As far as performance goes, the Radeon RX 5500 XT should theoretically be a lot superior to the GeForce GTX 660 Ti overall. (explain)

Radeon RX 5500 XT 229376 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 85376 (59%)

Texel Rate

The Radeon RX 5500 XT is much (approximately 47%) faster with regards to texture filtering than the GeForce GTX 660 Ti. (explain)

Radeon RX 5500 XT 151096 Mtexels/sec
GeForce GTX 660 Ti 102480 Mtexels/sec
Difference: 48616 (47%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 5500 XT is a better choice, by a large margin. (explain)

Radeon RX 5500 XT 54944 Mpixels/sec
GeForce GTX 660 Ti 21960 Mpixels/sec
Difference: 32984 (150%)

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 RX 5500 XT

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 RX 5500 XT
Manufacturer nVidia AMD
Year August 2012 December 2019
Code Name GK104 Navi 14 XTX
Memory 2048 MB 8192 MB
Core Speed 915 MHz 1717 MHz
Memory Speed 6000 MHz 28000 GB/s
Power (Max TDP) 150 watts 130 watts
Bandwidth 144000 MB/sec 229376 MB/sec
Texel Rate 102480 Mtexels/sec 151096 Mtexels/sec
Pixel Rate 21960 Mpixels/sec 54944 Mpixels/sec
Unified Shaders 1344 1408
Texture Mapping Units 112 88
Render Output Units 24 32
Bus Type GDDR5 GDDR6
Bus Width 192-bit 128-bit
Fab Process 28 nm 7 nm
Transistors 3540 million 6400 million
Bus PCIe 3.0 x16 PCIe 4.0 ×16
DirectX Version DirectX 11.0 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per 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 the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of 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 amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends 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 RX 5500 XT

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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