Intel Arc A380 Graphics Card Shows Impressive Overclocking Potential, Enabling Resizable-BAR Also Uplifts Performance

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YouTuber Pro Hi-Tech, an overclocking enthusiast, recently dropped a video on his channel that featured the Intel Arc A380 GPU and how it handles overclocking.

Intel Arc A380 Delivers Impressive Graphics Performance When Overclocked aka Unleashing Its Power Limits

The results from Pro Hi-Tech were pretty amazing, with the Intel A380 showing staggering performance on elevated power increases and offsets of voltage to the point where you would almost not realize it is one of the lower-level Intel graphics cards.

The Russian overclocking specialist on YouTube overclocked the Intel A380 graphics card by doing something not generally seen in overclocking techniques. Pro Hi-Tech did not alter the core clocks on the graphics card. Alterations made to the graphics card were voltage offsetting and power targeting through Intel’s proprietary graphics utility since overclocking utilities such as the MSI Afterburner don’t currently support the third GPU vendor.

Intel Arc A-Series Desktop Graphics Card Lineup ‘Rumored’:

Graphics Card Variant GPU Variant GPU Die Execution Units Shading Units (Cores) Memory Capacity Memory Speed Memory Bus TGP Price
Arc A770 Xe-HPG 512EU (TBD) Arc ACM-G10 512 EUs (TBD) 4096 (TBD) 16 GB GDDR6 16 Gbps 256-bit 225W $349-$399 US
Arc A770 Xe-HPG 512EU (TBD) Arc ACM-G10 512 EUs (TBD) 4096 (TBD) 8 GB GDDR6 16 Gbps 256-bit 225W $349-$399 US
Arc A750 Xe-HPG 384EU (TBD) Arc ACM-G10 384 EUs (TBD) 3072 (TBD) 8 GB GDDR6 16 Gbps 256-bit 225W $299-$349 US
Arc A580 Xe-HPG 256EU (TBD) Arc ACM-G10 256 EUs (TBD) 2048 (TBD) 8 GB GDDR6 16 Gbps 128-bit 175W $200-$299 US
Arc A380 Xe-HPG 128EU (TBD) Arc ACM-G11 128 EUs 1024 6 GB GDDR6 15.5 Gbps 96-bit 75W $129-$139 US
Arc A310 Xe-HPG 64 (TBD) Arc ACM-G11 64 EUs (TBD) 512 (TBD) 4 GB GDDR6 16 Gbps 64-bit 75W $59-$99 US

The YouTuber placed the “GPU performance Boost” setting to 55% while setting the voltage offset to +0.255mv.

The results of the modifications allowed the Intel Arc A380 to show a 100 to 150 MHz GPU core overclocking, with a slight improvement of four to six percent. Power use levels increased from near 35W to upwards of 55W, an increase of 43 to 57%. It appears Intel is limiting the performance of the next-gen graphics card.

Six games were benchmark tested on the modified Intel A380 GPU:

  • Cyberpunk 2077
  • Doom Eternal
  • God of War
  • Rainbow Six Siege
  • Watch Dogs Legion
  • World of Tanks

PRO Hi-Tech activated resizable BAR during the testing and that also delivered a nice boost in the graphics performance. NVIDIA’s GTX 1650 GPU, comparable to the factory settings on the Intel Arc A380 GPU, was added to the results to show the difference in performance between the two cards.

Intel Arc A380 overclocking results tabulated from PRO Hi-Tech’s video by Tom’s Hardware. Source: PRO Hi-Tech via Tom’s Hardware

Readers will note that increases in performance in Doom Eternal reached upwards of sixty percent, while World of Tanks and Watch Dogs Legion only increased by twenty-five percent. The average, or geometric gain, shown in the above chart, showed that the overclocked card, which included a voltage offset and heightened power limit, increased performance by thirty-seven percent.

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Various other testing completed of the Intel Arc A380 GPU shows that the crucial crux of the graphics card is the drivers and optimizations used. In the video, it is surprising that the overclocking totals for the graphics card reach a maximum power consumption of 55W. Intel lists the official TDP of the A380 is listed as 75W on the official website.

There is talk of optimization issues from drivers that limit performance for many games used with the Intel Arc A380, and enabling ReBAR causes the results not to fare any better.

The hope is that Intel will look into the latest news on performance that is beginning to appear and consider what is happening to find a fix to the growing list of issues with their new graphics card. A fair amount of speculation is going around that China was used as the area for testing the new graphics card. And, with the ability for some people to access those unreleased cards before the official release is how we get to see these leaked videos and information for new technology that has yet to catch consumers’ hands.

News Sources: PRO Hi-Tech, Tom’

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