HomeNewsAMD's RDNA 3 GPUs are Way Cheaper Than the RTX 4090

AMD’s RDNA 3 GPUs are Way Cheaper Than the RTX 4090

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AMD Zen 4 presentation

Screenshot: AMD

Again in August, Dr. Lisa Su launched the world to AMD’s latest iteration of CPU know-how, the Ryzen 7000 Collection–however she didn’t cease there. We obtained an announcement for an announcement: RDNA 3, AMD’s subsequent era of GPU know-how. Nicely, at present is November Third, and we now know extra about AMD’s reply to the RTX 40 Collection.

Dr. Su started the presentation by reflecting on the Ryzen 7000 Collection launch and stating AMD’s formidable targets, very like she did in the course of the earlier presentation. For RDNA3, she reiterated the corporate’s dedication to vitality effectivity and efficiency.

“On the forefront of what we’re doing, it’s all about energy and vitality effectivity. We wish to be sure that we proceed to innovate round performance-per-watt management to allow the entire gamer upgrades with improbable efficiency, however at an inexpensive energy.” – Dr. Lisa Su

Beginning with the brand new chiplet design, RDNA 3 takes a modular method with the intention of optimizing the effectivity of the general GPU design. Very like the Ryzen CPU household, RDNA3 will make the most of a blended chiplet structure. With a 5nm graphics die (GCD) compute unit containing the entire shaders, show engines, and up to date media engine, the GCD is paired with a 6nm Reminiscence Cache Die (MCD) that consists of the GDDR6 controller in addition to 96 MB of AMD’s Infinity Cache–2nd Technology Infinity Cache, that’s!

With this new design, the RNDA 3 chiplet can have an interconnect pace of as much as 5.3 TB/s (a 2.7x enhance over RDNA 2), enabling as much as 61 TFLOPS of compute. All of this will probably be supported by as much as 24 GB of GDDR6 with a reminiscence bus as much as 384-bit (not the GDDR6X we noticed within the RTX 4090) and, in accordance with Dr. Su, will allow RDNA 3 GPUs to realize as much as 54% higher performance-per-watt over the earlier era.

So, what is that this magical thriller GPU? Nicely, it’s truly two GPUs: the Radeon RX 7900 XTX and RX 7900 XT.

The Radeon RX 7900 XTX comes with 24 GB of GDDR6 and Radeon RX 7900 XT comes with 20 GB of GDDR6. Engineered as each 4K and 8K gaming GPUs, the Radeon RX 7900 XTX and 7900 XT have various updates over the earlier era that can assist push it into the way forward for gaming.

Beginning with devoted AI acceleration, RDNA 3 is claimed to enhance AI-based capabilities of the GPU by 2.7x and ray tracing directions by 1.8x over RDNA 2. In rendering functions–together with ray tracing, this new structure is claimed to acquire as much as 50% extra efficiency per compute unit and double the directions per clock. This can be a much-needed leap for Radeon graphics to compete inside this specific area of graphics processing!

AMD Zen 4 presentation

Screenshot: AMD

However, there’s extra:

AMD’s new Radiance Show is the engine pushing all of that knowledge into the show. The engine will help 12 bit-per-channel shade with as much as 68 billion colours in addition to increased refresh charges. Thanks in no small half to DisplayPort 2.1 and HDMI 2.1 adoption, the RX 7900 XTX and RX 7900 XT will help refresh charges of as much as 900 Hz at 1440p, 480 Hz at 4K, and 165 Hz at 5K.

Alongside of the Radiance Show engine, AMD additionally unveiled a brand new twin media engine for simultaneous encode and decode for each AVC and HEVC codecs. This engine may even help AV1 encoding and decoding, with a max decision of 8K60. Afterward within the presentation, AMD teased future help for AV1 encoding help inside OBS in addition to different in style video streaming and modifying software program. This teaser additionally included a future characteristic known as SmartAccess Video, which can leverage Ryzen CPUs and Radeon GPUs collectively to supposedly present as much as a 30% uplift in 4K multi stream encoding.

In the case of gaming efficiency, the RX 7900 XTX is presupposed to function as much as 1.7x higher than AMD’s former flagship GPU, the Radeon RX 6950 XT, in rasterization and as much as 1.6x higher in ray tracing video games. Utilizing FidelityFX Tremendous Decision (FSR), the charts AMD confirmed for the 7900 XTX confirmed a number of titles working at body charges far exceeding 200 FPS at 4K. One standout was Valorant, which confirmed the RX 7900 XTX working at 704 FPS! A number of daring claims right here, however we’ll must see for ourselves as soon as the playing cards are within the fingers of Third-party reviewers!

In the case of the precise specs, the RX 7900 XTX can have 96 compute models with a recreation clock of two.3 GHz. All of that is mentioned to run at a complete board energy draw of 355 W. For context, that’s 95 W lower than NVIDIA’s RTX 4090 Founder’s Version whereas hovering near the RX 6950 XT’s typical board energy. The RX 7900 XT can have 84 compute models with a recreation clock of two GHz and a complete board energy of 300 W.

Oh yeah, and neither certainly one of them would require a particular cable to energy them.

That is simply the {hardware}, although. AMD took a while to speak about FSR adoption, the uplift in efficiency seen inside FSR2, and the way nicely RDNA 3 operates with it enabled. One instance the corporate confirmed off was Ubisoft’s Murderer’s Creed: Valhalla working at 96 frames per second at 8K. It was a brief clip, however fairly wild to see all the identical. However AMD wished us to know that FSR isn’t stopping at FSR2. There’s a brand new iteration, FSR3. On the time of the announcement, AMD mentioned that Radeon customers can count on as much as 2x extra frames per second over FSR2 and that the know-how can be accessible in 2023.

Persevering with the dialog about software program, AMD’s Frank Azor shared updates to Radeon Adrenaline software program, together with a brand new characteristic coming within the first half of 2023 known as AMD HYPR-RX. This characteristic will probably be a one-button optimizer to provide AMD techniques the very best efficiency with out having to make the entire changes your self.

AMD Zen 4 presentation

Screenshot: AMD

Workforce Purple additionally shared its dedication to offering the most effective CPU and GPU unified expertise by working with system integrators to deliver the AMD Benefit line to the desktop platform. This implies pairing AMD GPUs and CPUs collectively in system configurations rigorously curated by AMD for the supposed very best AMD expertise.

The Radeon RX 7900 XTX and Radeon RX 7900 XT will probably be accessible on December thirteenth, 2022. And the value? $999 and $899 USD, respectively. That is an incredible distinction from NVIDIA’s $1599 flagship.

We stay up for seeing simply how these GPUs carry out out within the wild! Tell us within the feedback what you’re most excited for in AMD’s announcement at present and should you plan on making an improve earlier than the yr is thru.

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