Xiaomi 15S Pro vs Huawei Pura 70 Ultra: A Deep Dive into Flagship Performance

The Xiaomi 15S Pro and Huawei Pura 70 Ultra represent distinct approaches to the high-end smartphone market. The Xiaomi leverages cutting-edge 3nm silicon with its Xring O1 chipset, while the Huawei opts for its in-house Kirin 9010, built on a 7nm process. This comparison dissects their key differences, focusing on performance, battery life, and charging capabilities to determine which device reigns supreme.
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🏆 Quick Verdict

For the average user prioritizing raw performance and faster charging, the Xiaomi 15S Pro emerges as the winner. Its 3nm Xring O1 chipset promises significant efficiency gains and processing power over the Huawei’s 7nm Kirin 9010. However, the Pura 70 Ultra’s exceptional battery life score makes it a strong contender for power users.

PHONES
Phone Names Xiaomi 15S Pro Huawei Pura 70 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 661, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
5G bands1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSASA/NSA - China only
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2025, May 222024, April 18
StatusAvailable. Released 2025, May 22Available. Released 2024, April 29
Body
Build-Glass front, aluminum frame, silicone polymer back (eco leather)
Dimensions161.3 x 75.3 x 8.3 mm (6.35 x 2.96 x 0.33 in)162.6 x 75.1 x 8.4 mm (6.40 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight216 g (7.62 oz)226 g (7.97 oz)
Display
ProtectionShatterproof glass (2024 gen)Kunlun Glass (Basalt-tempered)
Resolution1440 x 3200 pixels, 20:9 ratio (~521 ppi density)1260 x 2844 pixels (~460 ppi density)
Size6.73 inches, 109.4 cm2 (~90.0% screen-to-body ratio)6.8 inches, 109.0 cm2 (~89.3% screen-to-body ratio)
TypeLTPO AMOLED, 68B colors, 120Hz, 1920Hz PWM, Dolby Vision, HDR10+, HDR Vivid, 3200 nits (peak)LTPO OLED, 1B colors, HDR, 120Hz, 1440Hz PWM, 2500 nits (peak)
Platform
CPU10-core (2x3.9GHz Cortex-X925 & 4x3.4GHz Cortex-A725 & 2x1.9GHz Cortex-A725 & 2x1.8GHz Cortex-A520)Octa-core (1x2.3 GHz Taishan Big & 3x2.18 GHz Taishan Mid & 4x1.55 GHz Cortex-A510)
ChipsetXring O1 (3 nm)Kirin 9010 (7 nm)
GPUImmortalis-G925 MP16-
OSAndroid 15, HyperOS 2EMUI 14.2 (International), HarmonyOS 4.2 (China)
Memory
Card slotNoNo
Internal512GB 16GB RAM, 1TB 16GB RAM512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
FeaturesLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panoramaLaser AF, color spectrum sensor, LED flash, panorama, HDR
Triple50 MP, f/1.4, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.5, 120mm (periscope telephoto), PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF50 MP, f/1.6-4.0, 23mm (wide), 1.0"-type, dual pixel PDAF, sensor-shift OIS, retractable lens 50 MP, f/2.1, 90mm (telephoto), PDAF (5cm - ∞), OIS, 3.5x optical zoom 40 MP, f/2.2, 13mm (ultrawide), AF
Video8K@24fps (HDR), 4K@30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, gyro-EIS4K, 1080p, HDR, gyro-EIS, OIS
Selfie camera
FeaturesHDR, panoramaHDR, panorama
Single32 MP, f/2.0, 22mm (wide), 0.7µm13 MP, f/2.4, (ultrawide), AF
Video4K@30/60fps, 1080p@30/60fps, gyro-EISYes, HDR
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC 55.2, A2DP, LE, L2HC
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASSGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC
RadioNoNo
USBUSB Type-C 3.2 Gen2, Display Port, OTGUSB Type-C 3.1, OTG, DisplayPort 1.2
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometerFingerprint (under display, optical), accelerometer, proximity, gyro, compass
Battery
Charging90W wired, PD3.0 50W wireless 10W reverse wireless100W wired 80W wireless 20W reverse wireless 18W reverse wired
TypeSi/C Li-Ion 6100 mAhLi-Po 5200 mAh
Misc
ColorsBlack, BlueBlack, White, Brown, Green
Models-HBP-LX9, HBP-AL00
PriceAbout 680 EUR€ 1,239.99

Xiaomi 15S Pro

  • Superior chipset performance with the 3nm Xring O1.
  • Faster wired charging at 90W.
  • Potentially better thermal management due to 3nm process.

  • Battery life is unknown and could be a weakness.
  • Camera performance details are unavailable.

Huawei Pura 70 Ultra

  • Exceptional battery life with a 12:29h active use score.
  • Faster wireless charging at 80W.
  • 100W wired charging for rapid top-ups.

  • 7nm Kirin 9010 chipset is less efficient than the Xring O1.
  • Performance may lag behind the Xiaomi in demanding tasks.

Display Comparison

The Huawei Pura 70 Ultra boasts a measured peak brightness of 1231 nits, suggesting excellent outdoor visibility. While the Xiaomi 15S Pro’s display specifications are not provided, Xiaomi flagships typically employ high-quality AMOLED panels. The difference in chipset fabrication – 7nm vs 3nm – doesn’t directly impact the display, but the more efficient chipset in the Xiaomi could contribute to slightly better battery life *while* using the display. Without knowing the Xiaomi’s panel technology (LTPO, PWM dimming rate), it’s difficult to definitively declare a display winner.

Camera Comparison

Detailed camera specifications are absent for both devices. However, given Huawei’s historical strength in mobile photography, the Pura 70 Ultra likely prioritizes image processing and sensor quality. The Xiaomi 15S Pro, while potentially offering competitive hardware, may lean towards a more natural image profile. Without knowing sensor sizes, lens apertures, or OIS capabilities, a direct comparison is impossible. We can assume both phones will feature multi-camera systems, but the quality of those systems will depend on the implementation.

Performance

The Xiaomi 15S Pro’s Xring O1 chipset, fabricated on a 3nm process, is a significant advantage. Its 10-core configuration – featuring 2x3.9GHz Cortex-X925, 4x3.4GHz Cortex-A725, 2x1.9GHz Cortex-A725, and 2x1.8GHz Cortex-A520 – promises substantial performance gains over the Huawei Pura 70 Ultra’s Kirin 9010. The Kirin 9010’s octa-core setup (1x2.3 GHz Taishan Big, 3x2.18 GHz Taishan Mid, 4x1.55 GHz Cortex-A510) is likely to be less efficient and offer lower peak performance. The 3nm node of the Xring O1 translates to lower power consumption and reduced thermal throttling during sustained workloads, benefiting gamers and power users. The Xiaomi’s LPDDR5x RAM (assumed, based on flagship standards) will further enhance performance.

Battery Life

The Huawei Pura 70 Ultra’s active use battery score of 12:29h is a compelling advantage. While the Xiaomi 15S Pro’s battery capacity is unknown, the Xring O1’s 3nm efficiency could partially offset a potentially smaller battery. The Huawei supports 100W wired charging, 80W wireless charging, and 20W reverse wired charging, while the Xiaomi offers 90W wired, 50W wireless, and 10W reverse wireless. The Huawei’s faster wired and wireless charging speeds, combined with its impressive battery life score, make it a strong contender for users who prioritize longevity and quick top-ups.

Buying Guide

Buy the Xiaomi 15S Pro if you demand the absolute best in processing power for demanding tasks like gaming and video editing, and value the speed of 90W wired and 50W wireless charging. Buy the Huawei Pura 70 Ultra if you prioritize all-day battery life and prefer a more refined, potentially more stable software experience, even if it means sacrificing some peak performance.

Frequently Asked Questions

❓ Does the Kirin 9010 chipset in the Huawei Pura 70 Ultra suffer from significant thermal throttling during extended gaming sessions?
Given the 7nm fabrication process and the chipset's core configuration, the Kirin 9010 is likely to experience some thermal throttling during prolonged, graphically intensive gaming. While Huawei’s thermal management is generally good, it won’t match the efficiency of the Xiaomi 15S Pro’s 3nm Xring O1, which is designed to minimize heat generation.
❓ How does the 90W wired charging on the Xiaomi 15S Pro compare to the 100W charging on the Huawei Pura 70 Ultra in real-world 0-100% charging times?
While the Huawei Pura 70 Ultra has a slightly higher peak charging wattage, the difference in 0-100% charging time is likely to be minimal. Both phones should achieve a full charge in under 40 minutes. The Xiaomi’s 90W charging is still exceptionally fast and provides a convenient charging experience.
❓ What type of reverse wireless charging is supported by each device, and is it useful for charging accessories like earbuds?
The Huawei Pura 70 Ultra supports 20W reverse wired and 20W reverse wireless charging, while the Xiaomi 15S Pro offers 10W reverse wireless charging. The Huawei’s higher wattage reverse wireless charging is more effective for quickly topping up accessories like earbuds or smartwatches. The Xiaomi’s 10W option is slower but still functional for emergency charging.