Sapphire has returned with a vapor chamber cooling solution for AMD’s new Radeon RX 7900 series graphics cards. Of particular note to enthusiasts who enjoy well-built graphics cards, the Nitro+ Radeon RX 7900 XT features a healthy out-of-the-box overclock, 20 power phase, and a sleek exterior.
Sapphire RX 7900 XT
Design
It’s not just a case of adding some LEDs to a basic design; we wanted to create something unique and different from the norm. We wanted to create something that would stand out from the crowd.
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Specifications
Sapphire has enabled its graphics card with an additional 420 watts of maximum available system (CPU + GPU) performance, which helps the GPU to achieve a 2,510 MHz base core frequency and 2,680 MHz boost core frequency while providing 18 percent more performance for manual overclocking.
It depends on your motherboard chipset and your willingness to tinker with a premium product.
If you’re not adventurous, the second BIOS setting offers a more sedate performance than the first one.
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Sapphire’s Trixx Software
However, if you want to tweak things further, you can use Sapphire’s TriXX software to switch between these two BIOS settings without opening up your PC case. Cool!
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Features
With its new design, the GTX 1080 Ti features three 8-pin connectors for up to 20 phases of power delivery, which represents an impressive 28 percent increase over the previous generation. On top of that, the card has a 14-layered PCB made of 2oz copper.
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Vapor-X Cooling Solution
To deal with the increased temperatures caused by the new architecture, Sapphire has used its Vapor-X cooling solution which includes a vapor chamber contacting both the GPU and DDR6 memory modules, alongside 7 copper base plate heatsinks.
The card is then cooled by 3 dual fan-bladed fans featuring ‘angular velocity blades’. A large die-cast aluminum frame is also present for VGA cooling, and we expect the card to be one of the most astonishing air-cooling solutions available.
With most Sapphire graphic card models, the cooling system is easily accessible through a single screw, making it easy to change out the fan if necessary. It’s much easier to change a broken fan than ship back and forth a heavy component.
According to Sapphire, the Nitro+ is roughly 5% faster than its predecessor but keeps GPU temperatures at 65 degrees Celsius with just 28 dBA of fan sound. We’ll put those claims to the test soon enough.
About input devices, the Nitro+ has two DisplayPorts (one each for video and audio) and two HDMI 2.1 inputs. It also supports both USB 3.0 and USB-C connections. However, it lacks an Ethernet connection.
One unique feature of Nitro+ is the ability to sync its fans with the GPU cooling system via a PWM connection.
Manual Syncing
Yes, you could sync them manually by installing drivers, but it’d be a nice bonus if they were already connected. It has an RGB header so you can match the color scheme of other parts of your PC.
If the card authorizes enough current through its four-pin connector, then you should be able to connect one of Lian Li’s Uni Fan SL Infinity 120 mm RGB fans to each of the four-pin connectors on the back of the case and run them off a single 12V rail.
This would allow the entire front panel intake to be controlled by the GPU, which might be ideal for a high-performance PC where the graphics card is serving as the primary heat sink.
There is just one remaining question; how much of a price difference will the best partner cards create? We won’t have to wait long to see.
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