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AMD Radeon RX 6600 XT Review

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The GPU (Graphics Processing Unit), also known as a video card or graphics card, is a dedicated electronic circuit that speeds up the rendering and creation of animations, video, and images. It executes fast math calculations at the same time, allowing the CPU to perform other jobs. AMD has launched its new generation RX 6600 graphics card for high-end users and for gamers. The company has assured the RX 6600 will provide impressive 1080p gaming performance.

This RDNA 2 upgraded graphics card not only blows past the RX Radeon 5600 XT but is also better than the Radeon RX 5700 XT. The Radeon RX 6600 XT will definitely shout if paired with a high refresh-rate monitor. In this article, we will review the latest introduction from the company.

About AMD

AMD (Advanced Micro Devices, Inc.) is a US-based multinational semiconductor unit company headquartered in Santa Clara, California. It develops computer processor-related technologies for consumer markets and businesses. Initially, the company manufactured its own processors, then later, it outsourced its manufacturing. AMD’s core products include motherboard chipsets, microprocessors, graphics processors for servers, embedded processors, personal computers, workstations, and embedded system applications. Following are the details of the newest RX 6600 XT from AMD.


Graphics CardAMD Radeon RX 5700 XTAMD Radeon 6600 XTAMD Radeon RX 5600 XT
Board power225W160W150W
Memory interface256-bit128-bit192-bit
Memory bandwidth (up to)448 Gb/s256 GB/s288 GB/s
Manufacturing process7nm 7nm7nm
AMD infinity cache32 MB
Peak texture rate (up to)304.8 GT/s331.4 GT/s224.6 GT/s
Peak half performance (up to)19.5 TFLOPS21.21TFLOPS14.4 TFLOPS
Peak single precision performance (up to)9.75 TFLOPS10.6 TFLOPS7.19 TFLOPS
Boost GPU clock (up to)1905 MHz2589 MHz1560 MHz
Game GPU clock1755 MHz2359 MHz1375 MHz
Stream processors256020482304
Ray accelerators32
Compute units403236
Die size (mm^2)251237251
Transistor count10.3 billion11.1 billion10.3 billion

Design & Architecture 

The Radeon RX 6600 XT is made on AMD’s latest RDNA 2 architectures, especially the Navi 23 graphics card that is considerably slighter in size than the 21 GPUs and Navi 22 found in step-up cards like the RX Radeon 6700 XT and leading 6900 XT. Practically, smaller die dimensions mean AMD can crush more out of each silicon wafer it makes. Extra GPU die means additional graphics cards hitting the streets.

This graphics card may be compacted, but still, it can deliver unconditionally exceptional temperatures. The card delivers a 0db feature as its fans turn off for silent operation whenever you are not stressing the card under intense gaming loads. Visually, it looks like a ROG because of its angular shroud, rugged design, amplified by futuristically shaped text angled across the face. 

On a more practical level, the card provides a twin BIOS switch, always convenient for overclocking endeavors, with quiet profiles and preset performance; however, the default Performance profile is sufficiently silent on its own. The power to the card comes from a single 8-pin connector. Also, the card has got a single HDMI port.


As far as the features are concerned, the card features a slick metal backplate that is bare aside from a swooping ROG logo. Like different 600 RX series GPUs, the AMD Radeon RX 6600 assists all of RDNA 2’s several features, including AV1 video decoding, intelligent access memory, and Fidelity FX Resolution to increase performance, DirectX 12 Ultimate goodies, real-time ray tracing capabilities, an improved version of Radeon Boost, AMD Link streaming to other devices, and much more.


AMD Radeon RX 6600 hits notably higher clock speeds than its previous ones. AMD Radeon new graphics card is significantly 1,000 MHz higher when compared with the old cards. In spite of those high speeds and 2GB additional memory (total of 8GB), the RX 6600 Radeon XT draws only ten wattages more electricity than the card it’s replacing.

The main reason why AMD’s latest cards are power-efficient is the accumulation of Infinity Cache, a big blob of memory (L3) entrenched within the die of the GPU. Games blow into it for various memory tasks, which means the graphics card does not require sending appeals to the graphics card’s GDDR6 memory, in turn, that allows AMD to construct Radeon RX 6000-series GPUs with slighter memory buses, which helps in saving power. 

It is not all roses, however. AMD has tuned the RX Radeon 6600 XT Infinity Cache for gaming at 1080p, providing it a notably smaller capacity than its relatives—96 MB, versus 32MB. The managing staff of the Radeon told us that the hit rate which regulates the Infinity Cache’s effectiveness is very likely in the 6600 XT to what the other cards attain at their targeted resolutions.


You cannot ignore the price tag as the Radeon 6600 XT carries a tag of US $379, which is $100 more than the 5600 and only $20 less than the cost of Radeon RX 5700 XT. The market is in the middle of a disabling GPU shortage. Hence, there is no doubt that this card will both cost more & sell out rapidly on the streets.

Reasons to Buy

  • Very power efficient 
  • Brilliant fast 1080p gaming
  • It comes with AMD features like Smart access memory and Radeon boost that can make it faster
  • Asus ROG Strix cooler is remarkable

Final Verdict 

As expected, the latest GPU is very energy efficient as well as has decent overclocking potential. AMD is launching this card at the perfect time. This AMD Radeon Graphics Card will indeed collect considerable revenue for the company as there is an extreme shortage of GPUs in the market. We hope that you will like this review. Please wait until we come with another one.

For best AMD graphics cards and other computer components visit Hard Disk Direct.

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