AMD Radeon RX 6000 “Big Navi” GPU Power Numbers In-depth, Navi 21 XT Approximately 320W TBP, Navi 21 XT AIB Up To 355W, Navi 21 XL Approximately 290W

Igor’s Lab has just spilled the beans on the power consumption figures for the AMD “Big Navi” GPU SKUs which will power the high-end and enthusiast tier Radeon RX 6000 series graphics cards. Igor reports his numbers and also quotes several numbers that have leaked over the past few weeks & provides a much better insight at what to expect from AMD’s Big Navi lineup of GPUs.

MD Big Navi “Radeon RX 6000” Graphics Cards To Feature Big Power Consumption Figures – Navi 21 XT Reference at 320W TBP, AIB Models at 355W TBP, Navi 21 XL at 290W TBP

According to Igor’s report, the recent figures, while close to what he has reported, are not correctly represented since they mention TGP instead of TBP. We know that NVIDIA’s TGP figures are based on the entire board’s power consumption. This includes GPU, VRAM, VRM, fans & everything that feeds on power. The AMD equivalent of TGP is regarded as TBP and according to Igor, the figures we got to see earlier that suggested the Navi 21 XT at 255W and Navi 21 XL at 220W were in fact just the GPU and VRAM figures.

Igor provides a more in-depth breakdown of what AMD’s Navi 21 “Big Navi” power consumption figures would actually look like.

MD Navi 21 XT GPU Power Consumption Figures:

The breakdown shows that the AMD Navi 21 XT GPU for enthusiast Radeon RX 6000 series graphics cards will feature a power consumption of 235W. This is just for the GPU alone. The 16 GB memory interface will add an additional 20W to the power budget, the MOSFETS will add up to 30W, the AUX or Auxillary components of the PCB will add another 5W while fans and other power sections such as LEDs will add around 15W. PCB losses are also accounted for at around 15W which sums up to a total of 320W for the entire Navi 21 XT GPU powered Radeon RX 6000 series graphics card.

AMD Radeon RX 6000 Graphics Cards_Radeon RX 6900 XT_Big Navi GPU_Navi 21 XT Power Consumption
AMD Radeon RX 6900 Series reference TBP figures with Navi 21 XT GPU (Image Credits: Igor’s Lab)

This means that the Radeon RX 6000 series graphics card, presumably the Radeon RX 6900 XT, will feature the same power figures as NVIDIA’s GeForce RTX 3080 Founders Edition which is also rated at 320W. However, the custom cards will feature even higher wattage figures with the GPU power limit being increased to 270W which would also explain the recent reports of AIB models clocking in much higher than the reference models at around 2.4 GHz. The custom Navi 21 XT GPUs are going to feature total board power at around 355W which is comparable to several custom GeForce RTX 3080 series graphics cards.

AMD Radeon RX 6000 Graphics Cards_Radeon RX 6900 XT Custom_Big Navi GPU_Navi 21 XT Power Consumption
AMD Radeon RX 6900 Series Custom TBP figures with Navi 21 XT GPU (Image Credits: Igor’s Lab)

MD Navi 21 XL GPU Power Consumption Figures:

Moving on to the Navi 21 XT power figures, the GPU will likely power the Radeon RX 6900 (Non-XT) graphics card and will feature a GPU power limit of 203W and 17W for the VRAM. Compiling all of the components power consumption figures, the Navi 21 XL powered Radeon RX 6000 series card will feature a total board power of 290W with custom models likely to be slightly above that. AMD seems to be going for the higher-end route as NVIDIA’s GeForce RTX 3070 features a total board power of around 220W.

AMD Radeon RX 6900 Series reference TBP figures with Navi 21 XL GPU (Image Credits: Igor's Lab)

MD Radeon RX 6000 Series Memory Configurations – Navi 21 XT Gets 16 GB @ 16 Gbps, Navi 21 XL Gets 16 GB @ 14 Gbps

There’s also a word on the memory configurations and from the looks of it, both Navi 21 XT and Navi 21 XL “Big Navi” GPU powered Radeon RX 6900 series graphics card will come packed with 16 GB of GDDR6 memory. The Navi 21 XT will utilize the Samsung “K4ZAF325BM-HC16” DRAM chips which are rated at 16 Gbps speeds for 512 GB/s bandwidth while the Navi 21 XL cards will feature the Samsung “K4ZAF325BM-HC14” DRAM chips which are rated at 14 Gbps and will deliver 448 GB/s bandwidth.

There are also reports of Infinity Cache being one of the big features on Navi 21 GPUs, offering higher bandwidth figures to boost high-res gaming performance. These are the specifications that we know so far but expect more leaks to occur in the coming days prior to the unveiling itself.

Igor lastly mentions that AIB custom models for the Radeon RX 6000 series graphics cards will be available around mid-November which means soon after the launch while we can expect more premium variants around the end of November. It is reported that the PCB design for the Radeon RX 6000 series cards will be similar to the Radeon RX 5700 reference PCB since both feature the same bus interface but we can expect a beefier VRM and power delivery setup to maintain stable operation of the “Big Navi” flagship GPU.

MD’s RTG Flagship GPUs Comparison:

Graphics CardAMD Radeon R9 Fury XAMD Radeon RX Vega 64AMD Radeon VIIAMD Radeon RX 5700 XTAMD Radeon RX 6900 XTGPU CodenameFiji XTVega 10 XTVega 20 XTNavi 10 XTNavi 21 XT?GPU Process28nm14nm7nm7nm7nm+?Transistors8.9 Billion12.5 Billion13.3 Billion10.3 BillionTBADie Size596mm2495mm2331mm2251mm2~500-540mm2Compute Units6464604080?Stream Processors40964096384025605120?TMUs/ROPs256/64256/64240/64160/64TBABase Clock1050 MHz1247 MHz1400 MHz1605 MHzTBABoost Clock1050 MHz1546 MHz1750 MHz1905 MHz2.3-2.4 GHz?Memory Size4 GB HBM18 GB HBM216 GB HBM28 GB GDDR616 GB GDDR6?Memory Bus4096-bit2048-bit4096-bit256-bit256-bit?Bandwidth512 GB/s484 GB/s1024 GB/s448 GB/s512 GB/s?TDP275W295W295W225W320W?Price$649$499$699$399 USTBALaunch20152017201920192020

MD Radeon RX 6900 Series With Triple-Slot Cooling Solution:

As for the designs themselves, the Radeon RX 6000 flagship cooling design looks amazing with the red and black design. The card features a triple axial-tech fan setup on the shroud and has a large aluminum heatsink that runs beneath it. The card has a LED-lit Radeon logo on the side and there is a large cut out on the side for the fans to vent out hot air. This design is very reminiscent of the NVIDIA GeForce RTX 20 series Founders Edition cooler. The card will feature dual 8-pin power and display ports would include a USB Type-C (VirtualLink), 1 HDMI, and 2 DisplayPort connectors.

AMD Radeon RX 6000 Series_Radeon RX 6900 Triple Fan Graphics Card

The card also features a fancy backplate along with a retention bracket to hold the cooler in place. The Radeon RX “Big Navi” GPU looks like it will come in the standard 2-slot reference design which is the same as NVIDIA’s flagship RTX 3080 but not as huge as the triple-slot GeForce RTX 3090.

AMD will officially be unveiling its Radeon RX 6000 series graphics card family on October 28th. The second half of 2020 would definitely be interesting times for all the hardware enthusiasts and mainstream PC gamers who are looking forward to upgrading their PCs with the best hardware.

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The post AMD Radeon RX 6000 “Big Navi” GPU Power Numbers Detailed, Navi 21 XT Up To 320W TBP, Navi 21 XT AIB Up To 355W, Navi 21 XL Up To 290W by Hassan Mujtaba appeared first on Wccftech.

AMD Radeon RX 6000 “Big Navi” GPU Power Numbers Detailed, Navi 21 XT Up To 320W TBP, Navi 21 XT AIB Up To 355W, Navi 21 XL Up To 290W originally posted here wccftech.com/amd-radeon-rx-6000-big-navi-gpu-power-numbers-detailed-navi-21-xt-320w-navi-21-xl-290w/

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