These results make Intel's flagship 140V Xe2 graphics chip 14% faster than the B370, and the 140T equal to the B370. To make matters worse for the B370, both 140-series iGPUs operate at between 10 and 12 watts less, making the B370 worse on energy efficiency as well.
Intel's Xe3 graphics architecture breaks cover — Panther Lake's 12 Xe Core iGPU promises 50+% better performance than Lunar Lake
Intel's Panther Lake lineup tipped to feature new "Core Ultra X" -branded SKUs with fully spec'd Xe3 iGPUs
Intel might be working on its own multi-frame generation tech — "XeSS MFG" appears in Arc driver files
Take these results with a pinch of salt since the B370 is not out yet, but these results are awfully similar to our previous article on the B370, which showed the Xe3 iGPU performing roughly the same with the 140T in Geekbench as well . That said, these results are not surprising. Intel confirmed this year that its Celestial (Arc C-series) Xe3 graphics chips would actually function off of its outgoing Battlemage GPU architecture rather than jumping on a new architecture, as many previously thought. Instead, genuine performance/efficiency improvements won't come until Intel debuts its Xe3P architecture.
The Arc B370 will reportedly be one of the likely several iGPU models included in Intel's next-generation Panther Lake architecture (the Core Ultra 5 338H is the first chip we've seen with the B370). Panther Lake will launch in January 2026, boasting Intel's 18A process node, Cougar Cove P-cores, and Darkmount E-cores. Intel hopes Panther Lake will be a "one-size-fits-all" solution for mobile , providing the power efficiency of Lunar Lake and the performance of Arrow Lake in one cohesive design.
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Reference reading
- https://www.tomshardware.com/pc-components/gpus/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/gpus/intel-arc-b370-xe3-igpu-appears-on-furmark-2-panther-lake-graphics-fall-14-percent-behind-last-gen-xe2-arc-140v#main
- https://www.tomshardware.com
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