RX 580 vs GTX 1660 Comparison

RX 580 vs GTX 1660 Comparison Review

In this RX 580 vs GTX 1660 comparison review, we will compare the good and the bad of these two graphics cards from different companies AMD and Nvidia.

Overview and Architecture

The AMD Radeon RX 560 4gb is a middle-class graphics card that is based on the Polaris architecture. It is the second generation on this line was released on April 2017. It is the refresh of the RX 480 released months prior. The modifications yielded an improved performance per wattage.

The Nvidia GeForce GTX 1660 is another mid-level graphics card from Nvidia. It was released on March 2019. It was designed to compete against AMD’s affordable gaming cards such as the RX 570 and RX 580.

GPU

The RTX 580 is equipped with a GPU codenamed Polaris 20 XTX while the GTX 1660 is codenamed TU166-300-A1.

Core speed of the RTX 580 registers at 1257 MHz a bit lower than the GTX 1660 which is at 1530 MHz. The 580 can be boosted up to 1340 MHz while the 1660 can be boosted up to 1785 MHz.

In this comparison we used the RTX 580 4gb and GTX 1660 6gb for memory size. Memory speed on a 580 is slower at 1750 MHz while the 1660 has 2001 mHz. Memory bus on 580 is higher at 256-bit compared to the 192-bit of the 1660. Both have the GDDR5 memory type, but in terms of memory bandwidth the 580 comes greater at only 224GB/sec while the 1660 is at 192.1GB/sec.

Shader processing units of RX 580 comes at 2304 higher compared to the 1660 which is 1408. Actual shader performance of the 580 is at 100% while the 1660 is at 100% also. Texture mapping is greater on the 580 at 144 greater than that of the 1660 which is at 88. Texture rate is also greater on the 580 at 181 GTexel/s compared to the 134.6 GTexel/s of the 1660.

Render outputs and pixel rate in the RX 580 came short compared to the numbers of the 1660.

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Power Requirements and System Suggestions

Let us proceed to the power requirements on this RX 580 vs GTX 1660. The RX 580 has a rated TDP of 150W. It requires at least a 500W power supply unit. The GPU requires at least 500W of power supply and a dedicated 8-pin connector for power.

While the 1660 has a rated TDP of 120W. It requires also 450W of power supply unit. It also requires one 8-pin connector for power.

RX 580 is best suited for resolutions up to 2560×1440. It is recommended to use a high-end processor and have at least 8gb of RAM for optimal gaming performance.

GTX 1660 on the other hand is best suited for the same resolution.  It is also recommended to use a high-end processor and at least 12gb of RAM for optimal gaming performance.

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Performance

Benchmarks reveal that the RX 580 4gb gaming performance is like the 1060. The 580 4gb is 8 percent faster than the model it replaced and up to 15% faster than the RX 570.

The GTX 1660 is a medium tier graphic card, it can deliver a medium high performance on modern AAA games. Expect it to handle games and deliver 50+ game FPS.

We tested these 2 graphic cards in these three games; CSGO, Fortnite and League of Legends. Our results show that the RX 580 was edged by the GTX 1660 in all games. The GTX 1660 recorded great game FPS than the RX 580.

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Verdict

Personally, the winner for this versus is the GTX 1660. It performs well than the 580 in all three games that it is the reason of choosing it as the winner.

That is the end of my RX 580 vs GTX 1660 comparison review. Hope you liked it.

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