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Gigabyte Aorus GeForce RTX 3090 Xtreme 24G Review: Quite possibly one of the best RTX 3090 graphics card

By Aaron Yip - 12 Dec 2020

A Gi-normous graphics card

Note: This review was first published on 30 Nov 2020.


A Gi-normous graphics card

NVIDIA's GeForce RTX 3080 may be the card maker’s flagship gaming GPU but ironically, it’s also not its most powerful GPU. That honour goes to the GeForce RTX 3090, a GPU that caters to a select group of content creators and extremely hardcore gamers. But despite its eye-searing price tag (the Founders Edition version retails for US$$1,499), GeForce RTX 3090 cards have been in extreme short supply and looks set to remain that way well into early 2021 – pandemic and economy slowdown be damn.

That also hasn't stopped NVIDIA's partners like Gigabyte from launching an ever-increasing stacks of RTX 30-series cards. Early-launched partners' cards have generally followed NVIDIA’s reference design, with performance usually in line with the company’s Founders Edition’s cards. Full custom cards that allows for better overclocking, RGB lightings, cooling wizardries, and in the case of Gigabyte’s new Aorus GeForce RTX 3090 Xtreme 24G reviewed here, even comes with a customisable LCD screen.

Can you spot the smaller fan of the three?

Visually, the Aorus GeForce 3090 Xtreme 24G is one beast of a card and is, unsurprisingly Gigabyte’s top-tier card based on the RTX 3090 GPU. To cool the super-large copper base plate and eight heat pipes that sprawls across the length of the card, the card features what Gigabyte called a Max-Covered cooling that features two 115mm and one 100mm “Unique Blade” stack fans. These fans spin alternately from each other and Gigabyte claims this allows air pressure to completely cover the heatsink and therefore provides better heat dissipation.

The Aorus card uses some impressive high-end parts too, allowing it for extreme overclocking and a better overall lifespan. This includes a better power phase design that allows for the MOSFET to operate at a lower temperature, “Ultra Durable” certified chokes and capacitors, and a PCB coating that makes the card resistant to dust, moisture and corrosion.

Despite its bulk and weight, the Aorus card does not require a stand to prevent it from flexing when slotted into a motherboard.

A thin metal backplate covers the rear of the PCB, where there are standard cut-outs for airflow and also (very visible) thermal pads to help whisk heat away from the components on the flip side. It is worth noting that despite the heft and bulk of the card, Gigabyte did not provide a stand nor a stabiliser. Not that one is needed anyway, as the card did not show any sign of flex when installed onto my motherboard. That’s a big plus point.

The card features an impressive number of HDMI and DP ports. It also occupies a staggering four expansion card slots.

The card’s bulk does have one drawback though – it occupies four full expansion card slots despite only needing two to be fastened to the casing. Also, Instead of NVIDIA's new 12-pin power connector used in the Founders Edition card, the Aorus’ uses more conventional triple 8-pin PCIe power connectors (good news for those who don't want additional cabling to deal with), and onboard LEDs that notify if the graphics power connectors are plugged in securely, or when experiencing any power supply abnormality in unfortunate circumstances.

The position of the LCD meant that the card is not suitable being installed on a PCIe riser.

There is also a dual BIOS switch on the PCB as well to let you switch between “Silent” and the default “OC” or Overclock modes. OC raises the default boost clock to 1860MHz (up from the default 1695MHz), which also happens to be the card’s default mode out of the box.

Gigabyte has been extravagantly generous with the display outputs on the Aorus GeForce RTX 3090 Xtreme. There are three HDMI 2.1 and three DisplayPort outputs – you can’t use them all at once though, but the extra HDMI port accords you more flexibility in what set of outputs you can connect simultaneously. For instance, you could use three HDMI ports at one time (or three DisplayPort ports).

Now let’s check out the card’s performance.

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  • Performance 9
  • Features 9
  • Value 7.5
The Good
Great in-game performances
Well designed cooling system
Customisable LCD is actually fun to watch
Great thermal and power efficiency
The Bad
Takes up four PCIe slots
Jaw-dropping price tag
Limited stocks
RGB lightings are too subtle
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