Xiaomi 15S Pro shows up in Geekbench results with surprisingly competitive Xring O1

Peter, 19 May 2025

Xiaomi’s in-house Xring O1 chipset may be more competitive than expected. Early rumors claimed that it will be comparable to the Snapdragon 8 Gen 2, but the first benchmarks (if legitimate) put it close to the Elite.

Xiaomi has already confirmed that the O1 is fabbed on a second generation 3nm node. The hardware is not known, but leaks suggest a Cortex-X925 prime core, three A725 performance cores and four A520 efficiency cores for the CPU plus an Imagination GPU.

Xiaomi 15S Pro with Xring O1 chipset: details from Geekbench Xiaomi 15S Pro with Xring O1 chipset: details from Geekbench Xiaomi 15S Pro with Xring O1 chipset: details from Geekbench
Xiaomi 15S Pro with Xring O1 chipset: details from Geekbench

Reliable leaksters @UniverseIce and @Jukanlosreve point to Geekbench results from the Xiaomi 25042PN24C. This is significant for two reasons – for one, some sources claim that this phone is the Xiaomi 15S Pro, which will be replacing the Snapdragon 8 Elite-powered Xiaomi 15 Pro.

The second reason is the results – with a mid-9,000 multi-core score and high-2,000 to low-3,000 single-core scores, the Xring O1 would place slightly behind the Snapdragon 8 Elite and slightly ahead of the Dimensity 9400.

We haven’t benchmarked the Xiaomi 15 Pro, but we have results from the Ultra. Here’s how it compares with the top result from the 25042PN24C:

GeekBench 6

  • Multi-core
  • Single-core
Xiaomi 15S Pro (25042PN24C) Xiaomi 15S Pro (leak)
9673
Xiaomi Xring O1 16GB RAM
Xiaomi 15 Ultra Xiaomi 15 Ultra
9464
Snapdragon 8 Elite 512GB, 16GB RAM
Xiaomi 15S Pro (25042PN24C) Xiaomi 15S Pro (leak)
3119
Xiaomi Xring O1 16GB RAM
Xiaomi 15 Ultra Xiaomi 15 Ultra
3070
Snapdragon 8 Elite 512GB, 16GB RAM

The Snapdragon uses custom Qualcomm CPU cores, so put that aside. The Dimensity 9400 is fabbed on a first-gen 3nm node and features a Cortex-X925 (3.63GHz), three X4 cores (3.3GHz) and four A720 (2.4GHz).

According to Geekbench, the O1 has a 10-core CPU instead of having 8-cores (we listed clockspeeds listed below). That could be a mistake, an issue with identifying a new chip. The 3.9GHz clock speed raises an eyebrow too – even the Dimensity 9400+ tops out at 3.73GHz and only on one core. There are CPU cores that clock higher (e.g. the Snapdragon 8 Elite for Galaxy goes up to 4.47GHz), but different core designs behave differently, so a simple clockspeed comparison is difficult. Maybe this is the advantage of the second-gen 3nm node.

Xiaomi Xring O1 CPU (according to Geekbench)
Cluster 4 2 cores @ 3.90GHz
Cluster 3 4 cores @ 3.40GHz
Cluster 2 2 cores @ 1.89GHz
Cluster 1 2 cores @ 1.80GHz

Also, the GPU is listed as Immortalis-G925 instead of an Imagination design (though that was only a rumor, anyway). Keep in mind that such early benchmarks from unknown sources aren’t entirely reliable, but we will find out more later this week.

Xiaomi has a big event on May 22 (Thursday), which should feature the Xiaomi 15S Pro, the Xiaomi Pad 7 Ultra and the Xiaomi YU7 (the company’s first SUV). And it should be the debut of the Xring O1 chipset – perhaps not a coincidence, if the 15S Pro is indeed the 25042PN24C.

Source | Via 1 | Via 2


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