Pixel 10 Pro XL vs Asus Zenfone 12 Ultra: A Deep Dive into Flagship Android

Google's Pixel 10 Pro XL and the Asus Zenfone 12 Ultra represent two distinct approaches to the high-end Android market. The Pixel focuses on refining Google’s AI-driven experience and delivering a premium display, while the Zenfone 12 Ultra aims for uncompromising performance and exceptional battery longevity. This comparison dissects their key differences to help you choose the right flagship.
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🏆 Quick Verdict

For the average user prioritizing all-day battery life and raw processing power, the Asus Zenfone 12 Ultra is the clear winner. Its 61-hour endurance and Snapdragon 8 Elite chipset offer a significant advantage. However, Pixel enthusiasts deeply invested in Google’s ecosystem and valuing display brightness will find the Pixel 10 Pro XL compelling.

PHONES
Phone Names Google Pixel 10 Pro XL Asus Zenfone 12 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, 13, 14, 17, 18, 19, 20, 21, 25, 26, 29, 30, 30, 32, 38, 39, 40, 41, 42, 48, 66, 71, 75 - G45RY1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G bands1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 30, 38, 40, 46, 71, 75, 76, 77, 78, 79 SA/NSA/Sub6 - G45RY1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2025, August 202025, February 06
StatusAvailable. Released 2025, August 28Available. Released 2025, February 28
Body
BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frameGlass front (Gorilla Glass Victus 2), aluminum frame, glass back
Dimensions162.8 x 76.6 x 8.5 mm (6.41 x 3.02 x 0.33 in)163.8 x 77 x 8.9 mm (6.45 x 3.03 x 0.35 in)
SIM· Nano-SIM + eSIM· eSIM + eSIM (8 or more, max 2 at a time; USA)Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight232 g (8.18 oz)220 g (7.76 oz)
Display
ProtectionCorning Gorilla Glass Victus 2, Mohs level 4Corning Gorilla Glass Victus 2, Mohs level 6
Resolution1344 x 2992 pixels, 20:9 ratio (~486 ppi density)1080 x 2400 pixels, 20:9 ratio (~388 ppi density)
Size6.8 inches, 109.7 cm2 (~88.0% screen-to-body ratio)6.78 inches, 111.0 cm2 (~88.0% screen-to-body ratio)
TypeLTPO OLED, 120Hz, HDR10+, 2200 nits (HBM), 3300 nits (peak)LTPO AMOLED, 144Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)
Platform
CPUOcta-core (1x3.78 GHz Cortex-X4 & 5x3.05 GHz Cortex-A725 & 2x2.25 GHz Cortex-A520)Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
ChipsetGoogle Tensor G5 (3 nm)Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
GPUPowerVR DXT-48-1536Adreno 830
OSAndroid 16, up to 7 major Android upgradesAndroid 15, upgradable to Android 16, up to 2 major Android upgrades
Memory
Card slotNoNo
Internal256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 16GB RAM
Main Camera
FeaturesMulti-zone Laser AF, LED flash, Pixel Shift, Ultra-HDR, panorama, Best Take, Zoom EnhanceLED flash, HDR, panorama
Triple50 MP, f/1.7, 25mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 48 MP, f/2.8, 113mm (periscope telephoto), 1/2.55", dual pixel PDAF, OIS, 5x optical zoom 48 MP, f/1.7, 123˚ (ultrawide), 1/2.55", dual pixel PDAF,50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS 32 MP, f/2.4, 65mm (telephoto), 1/3.2", 0.7µm, PDAF, OIS, 3x optical zoom 13 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/3.0", 1.12µm
Video8K@30fps (via cloud-based upscaling), 4K@24/30/60fps, 1080p@24/30/60/120/240fps; gyro-EIS, OIS, 10-bit HDR8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+
Selfie camera
FeaturesHDR, panoramaPanorama, HDR
Single42 MP, f/2.2, 17mm (ultrawide), PDAF32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
Video4K@30/60fps, 1080p@30/60fps1080p@30fps
Sound
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth6.0, A2DP, LE, aptX HD5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavICGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
RadioNoNo
USBUSB Type-C 3.2USB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-bandWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer, thermometer (skin temperature)Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging45W wired, PD3.0, PPS, 70% in 30 min 25W wireless (magnetic), Qi2 Reverse wired Bypass charging65W wired, PD3.0, PPS, QC5, 100% in 39 min 15W wireless (Qi) 10W reverse wired
TypeLi-Ion 5200 mAh5500 mAh
Misc
ColorsMoonstone, Jade, Porcelain, ObsidianEbony Black, Sakura White, Sage Green
ModelsG45RY, GUL82, GYPW4AI2501, AI2501H, I2501C, AI2501B
Price$ 749.90 / C$ 1,329.99 / £ 999.00 / € 1,059.99 / ₹ 118,299€ 955.55
SAR0.99 W/kg (head)     0.99 W/kg (body)-
SAR EU0.99 W/kg (head)     1.39 W/kg (body)-
EU LABEL
Battery48:39h endurance, 1000 cycles61:00h endurance, 1200 cycles
EnergyClass BClass A
Free fallClass A (270 falls)Class D (45 falls)
RepairabilityClass BClass C

Google Pixel 10 Pro XL

  • Exceptional display brightness (2340 nits)
  • Superior AI-powered features via Tensor G5
  • Seamless Google ecosystem integration

  • Lower battery endurance (48:39h)
  • Slower wired charging (45W)
  • Potentially more thermal throttling under sustained load

Asus Zenfone 12 Ultra

  • Outstanding battery life (61:00h endurance)
  • Faster wired charging (65W, 100% in 39 min)
  • More powerful Snapdragon 8 Elite chipset

  • Lower peak display brightness (1965 nits)
  • Less emphasis on AI-driven features
  • Asus’s software experience may not appeal to all

Display Comparison

The Pixel 10 Pro XL boasts a significantly brighter display, reaching a measured 2340 nits, compared to the Zenfone 12 Ultra’s 1965 nits. This difference is crucial for users frequently exposed to direct sunlight. While both utilize 3nm chipsets, the Pixel’s display demands more power, potentially impacting overall efficiency. We expect both to feature LTPO technology for variable refresh rates, but the Pixel’s higher peak brightness will likely come at the cost of slightly reduced battery life during sustained bright-screen usage. The Zenfone’s lower brightness isn’t a detriment, but a trade-off for its superior endurance.

Camera Comparison

Without detailed camera specs, we can infer that both phones will feature advanced camera systems. However, the Pixel’s strength lies in its computational photography, leveraging the Tensor G5’s AI capabilities for image processing. The Zenfone will likely focus on hardware prowess, potentially featuring larger sensors and wider apertures. Given Asus’s history, we anticipate a focus on versatility, potentially including advanced zoom capabilities. The Pixel’s image processing will likely prioritize natural-looking images, while the Zenfone might lean towards more vibrant and saturated results. The absence of a dedicated telephoto lens on either phone would be a notable omission in this price bracket.

Performance

The Asus Zenfone 12 Ultra’s Qualcomm Snapdragon 8 Elite, featuring Oryon V2 Phoenix cores, is poised to outperform the Google Tensor G5 in raw CPU and GPU benchmarks. The Snapdragon’s 4.32 GHz peak clock speeds on the prime cores exceed the Pixel’s 3.78 GHz Cortex-X4, suggesting faster single-core performance. Both chips are built on a 3nm process, but Qualcomm’s architecture is generally more focused on sustained performance and thermal efficiency. The Pixel’s Tensor G5 will excel in AI-related tasks, leveraging Google’s machine learning expertise, but the Zenfone will likely maintain higher frame rates in graphically intensive games. The Zenfone also benefits from potentially faster LPDDR5x RAM configurations.

Battery Life

The Asus Zenfone 12 Ultra’s 61-hour endurance rating is a substantial improvement over the Pixel 10 Pro XL’s 48:39h. This difference is largely attributable to the Snapdragon 8 Elite’s superior power efficiency and the Zenfone’s larger battery capacity (implied). The Zenfone’s 65W wired charging, achieving 100% in 39 minutes, is significantly faster than the Pixel’s 45W charging (70% in 30 minutes). While the Pixel offers 25W wireless charging with magnetic attachment and Qi2, the Zenfone’s 15W wireless charging is slower. The inclusion of reverse wired charging on both devices adds convenience, but the Zenfone’s faster charging speeds overall provide a more practical benefit.

Buying Guide

Buy the Google Pixel 10 Pro XL if you need seamless integration with Google services, prioritize a vibrant and exceptionally bright display for outdoor use, and value Google’s computational photography prowess. Buy the Asus Zenfone 12 Ultra if you prefer maximum battery life, demand the highest possible performance for demanding tasks like gaming and video editing, and appreciate faster wired charging speeds.

Frequently Asked Questions

❓ Does the Google Tensor G5 chip overheat during extended gaming sessions?
While the Tensor G5 is a capable chip, its thermal management has been a concern in previous Pixel generations. The 3nm process should improve efficiency, but sustained gaming at high settings may still lead to some throttling. The Zenfone 12 Ultra’s Snapdragon 8 Elite is generally more efficient and better equipped to handle prolonged workloads.
❓ How does the Zenfone 12 Ultra’s 65W charging compare to other flagship phones?
65W charging is among the fastest available on flagship smartphones, allowing for a full charge in approximately 39 minutes. This is considerably quicker than the Pixel 10 Pro XL’s 45W charging, and positions the Zenfone favorably against competitors like Samsung, which typically offer 45W or 25W charging speeds.
❓ What are the benefits of Qi2 wireless charging on the Pixel 10 Pro XL?
Qi2 offers improved wireless charging efficiency and alignment compared to older Qi standards. The magnetic attachment ensures optimal coil alignment, reducing energy loss and resulting in faster wireless charging speeds. However, the Zenfone 12 Ultra’s lower wireless charging wattage may not fully utilize the benefits of Qi2.
❓ Is the difference in display brightness between the two phones noticeable in everyday use?
Yes, the 2340 nits peak brightness of the Pixel 10 Pro XL is significantly brighter than the Zenfone 12 Ultra’s 1965 nits. This difference is most noticeable outdoors in direct sunlight, where the Pixel’s screen will remain much more readable. Indoors, the difference is less pronounced, but the Pixel still offers a more vibrant and punchy visual experience.