OnePlus Ace 6 vs Xiaomi 14 Pro: A Deep Dive into Snapdragon Power and Charging Innovation

The OnePlus Ace 6 and Xiaomi 14 Pro represent the cutting edge of Android flagship performance, but they take distinctly different approaches. The Ace 6 leverages Qualcomm’s new Snapdragon 8 Elite with its Oryon CPU cores, prioritizing raw processing power, while the Xiaomi 14 Pro opts for the more established Snapdragon 8 Gen 3. This comparison will dissect their strengths and weaknesses, focusing on performance, charging, and overall user experience.
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🏆 Quick Verdict

For the average user prioritizing sustained performance and incredibly fast charging, the OnePlus Ace 6 emerges as the winner. Its Snapdragon 8 Elite, coupled with 120W UFCS charging, delivers a compelling package. However, the Xiaomi 14 Pro’s broader feature set and refined software experience make it a strong contender for those seeking a more polished all-rounder.

PHONES
Phone Names OnePlus Ace 6 Xiaomi 14 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 661, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 3, 5, 8, 18, 26, 28A, 38, 40, 41, 48, 66, 77, 78 SA/NSA1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2025, October 272023, October 26
StatusAvailable. Released 2025, October 30Available. Released 2023, November 01
Body
BuildGlass front (Crystal Shield Glass), glass back, aluminum alloy frameGlass front, aluminum frame or titanium frame, glass back
Dimensions163.4 x 77 x 8.3 mm (6.43 x 3.03 x 0.33 in)161.4 x 75.3 x 8.5 mm
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight213 g (7.51 oz)223 g or 230 g (7.87 oz)
Display
ProtectionCrystal Shield GlassShatterproof glass
Resolution1272 x 2800 pixels (~450 ppi density)1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Size6.83 inches, 113.3 cm2 (~90.1% screen-to-body ratio)6.73 inches, 108.9 cm2 (~89.6% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 165Hz, PWM, HDR10+, Dolby Vision, HDR Vivid, 800 nits (typ), 1800 nits (HBM)LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak)
Platform
CPUOcta-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetQualcomm SM8750-AB Snapdragon 8 Elite (3 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUAdreno 830Adreno 750
OSAndroid 16, ColorOS 16Android 14, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
Dual50 MP, f/1.8, 24mm (wide), PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm-
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
Triple-50 MP, f/1.4-f/4.0, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 75mm (telephoto), PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF
Video4K@30/60/120fps, 1080p@30/60/120fps, gyro-EIS, OIS8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie camera
FeaturesHDR, panoramaHDR, panorama
Single16 MP, f/2.4, 23mm (wide), 1/3", 1.0µm32 MP, f/2.0, 22mm (wide), 0.7µm
Video1080p@30fps, gyro-EIS4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC 55.4, A2DP, LE, aptX HD, aptX Adaptive
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0USB Type-C 3.2 Gen 2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
Battery
Charging120W wired, 120W UFCS, 55W PPS, 18W PD, 18W QC, 58% in 20 min, 100% in 43 min Bypass charging120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless
TypeSi/C Li-Ion 7800 mAhLi-Po 4880 mAh
Misc
ColorsBlack, White, SilverBlack, Silver, Titanium, Green
ModelsPLQ11023116PN5BC
PriceAbout 310 EURAbout 650 EUR

OnePlus Ace 6

  • Potentially superior CPU performance with Snapdragon 8 Elite and Oryon cores
  • Ultra-fast 120W UFCS wired charging
  • More power-efficient 3nm process

  • Lacks wireless charging capabilities
  • Camera system details are unknown, potentially less advanced than Xiaomi

Xiaomi 14 Pro

  • Faster overall charging time (18 minutes to 100%)
  • 50W wireless charging and 10W reverse wireless charging
  • Likely more refined camera system and software experience

  • Snapdragon 8 Gen 3 (4nm) is less power efficient than 8 Elite (3nm)
  • CPU performance may be slightly lower than the Ace 6 in single-core tasks

Display Comparison

While both devices are expected to feature high-quality AMOLED displays, specific details like peak brightness and refresh rate are not provided. However, the focus on power efficiency with the Snapdragon 8 Elite in the Ace 6 *could* translate to slightly better battery life during display-intensive tasks. The Xiaomi 14 Pro’s display is likely to benefit from Xiaomi’s established display calibration expertise, potentially offering more accurate color reproduction out of the box.

Camera Comparison

Without specific camera sensor details, a direct comparison is difficult. However, Xiaomi is known for its camera prowess, and the 14 Pro is likely to feature a sophisticated camera system with advanced image processing algorithms. The Ace 6, while capable, may prioritize other areas. The absence of details regarding OIS and lens apertures makes it impossible to assess low-light performance or image stabilization capabilities. We can assume both will offer multi-camera setups, but the Xiaomi 14 Pro likely has the edge in overall camera versatility and image quality based on brand reputation.

Performance

The core difference lies in the chipsets. The OnePlus Ace 6’s Snapdragon 8 Elite (3nm) utilizes Oryon V2 Phoenix cores – a custom design focused on single-core performance, boasting clock speeds up to 4.32 GHz. This contrasts with the Xiaomi 14 Pro’s Snapdragon 8 Gen 3 (4nm), which employs a more traditional ARM Cortex-X4 prime core at 3.3 GHz. The 3nm process of the 8 Elite should offer superior power efficiency and thermal headroom, potentially allowing for sustained peak performance. The Ace 6’s architecture suggests a focus on responsiveness and quick task switching, while the 8 Gen 3 prioritizes a balanced approach. Both utilize LPDDR5x RAM, but the Ace 6’s superior CPU could better leverage its bandwidth.

Battery Life

Both phones feature 120W wired charging, but the Ace 6 adds UFCS support, potentially improving charging efficiency and reducing heat. The Xiaomi 14 Pro also offers 50W wireless charging and 10W reverse wireless charging, features absent in the Ace 6. The Ace 6 reaches 100% in 43 minutes, while the Xiaomi 14 Pro achieves the same in 18 minutes – a significant difference. This faster charging speed, combined with the wireless charging options, gives the Xiaomi 14 Pro a clear advantage in charging convenience, despite potentially having a smaller battery capacity to fill.

Buying Guide

Buy the OnePlus Ace 6 if you need uncompromising CPU performance for demanding tasks like gaming and video editing, and if minimizing charging time is a top priority. Its 120W UFCS charging is a game-changer. Buy the Xiaomi 14 Pro if you prefer a more balanced flagship experience with a potentially more refined camera system and the benefits of Xiaomi’s MIUI software ecosystem, and value wireless charging capabilities.

Frequently Asked Questions

❓ Does the Snapdragon 8 Elite in the OnePlus Ace 6 overheat during prolonged gaming sessions?
The 3nm process of the Snapdragon 8 Elite is designed for improved thermal efficiency. While any high-performance chipset will generate heat, the Ace 6 should be better equipped to handle sustained gaming loads compared to devices with less efficient processors. However, real-world performance will depend on the phone’s cooling system, which hasn’t been detailed.
❓ How does the 120W UFCS charging on the OnePlus Ace 6 compare to standard 120W charging?
UFCS (USB Fast Charging Specification) is a newer standard that aims to improve charging efficiency and reduce heat generation. It allows for more dynamic power delivery, potentially leading to faster and safer charging compared to traditional 120W charging implementations. This means the Ace 6 could reach its full 120W potential more consistently.
❓ Is the 50W wireless charging on the Xiaomi 14 Pro significantly slower than the 120W wired charging?
Yes, 50W wireless charging is considerably slower than 120W wired charging. While 50W is still a respectable wireless charging speed, it will take approximately 40 minutes to fully charge the Xiaomi 14 Pro wirelessly, compared to just 18 minutes with the wired charger. It's a trade-off for the convenience of wireless charging.
❓ Will the Xiaomi 14 Pro receive faster software updates compared to the OnePlus Ace 6?
Xiaomi generally provides consistent software updates for its flagship devices, but OnePlus has also improved its update cadence in recent years. Both companies are committed to providing security patches and feature updates, but Xiaomi’s MIUI software ecosystem is known for frequent feature additions, potentially leading to a more rapid pace of software innovation.