Screen size
equal specsZenfone 11 Ultra6.8"
Zenfone 12 Ultra6.8"
Quick verdict
Zenfone 12 Ultra leads the measured specs 2-0.
Measured wins
Zenfone 11 Ultra
0
spec wins
Ties
20
equal specs
Zenfone 12 Ultra
2
spec wins
Overall winner
Screen size
equal specsTechnology
Zenfone 11 Ultra
GSM / HSPA / LTE / 5G
Zenfone 12 Ultra
GSM / HSPA / LTE / 5G
2G bands
Zenfone 11 Ultra
GSM 850 / 900 / 1800 / 1900
Zenfone 12 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
Zenfone 11 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Zenfone 12 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Zenfone 11 Ultra
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 - International, 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 29, 30, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71 - USA
Resolution
equal specsRefresh rate
equal specsPeak brightness
equal specsPixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
equal specsWired charging
equal specsWeight
Thickness
equal specsIP rating
equal specsWi‑Fi
equal specsBluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsZenfone 12 Ultra
1, 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 bands
Zenfone 11 Ultra
1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - International, 1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 29, 30, 38, 40, 41, 48, 66, 71, 77, 78, 79 SA/NSA/Sub6 - USA
Zenfone 12 Ultra
1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
Speed
Zenfone 11 Ultra
HSPA, LTE, 5G
Zenfone 12 Ultra
HSPA, LTE, 5G
Announced
Zenfone 11 Ultra
2024, March 14
Zenfone 12 Ultra
2025, February 06
Status
Zenfone 11 Ultra
Available. Released 2024, April 14
Zenfone 12 Ultra
Available. Released 2025, February 28
Dimensions
Zenfone 11 Ultra
163.8 x 76.8 x 8.9 mm (6.45 x 3.02 x 0.35 in)
Zenfone 12 Ultra
163.8 x 77 x 8.9 mm (6.45 x 3.03 x 0.35 in)
Weight
Zenfone 11 Ultra
224 g (7.90 oz)
Zenfone 12 Ultra
220 g (7.76 oz)
Build
Zenfone 11 Ultra
Glass front (Gorilla Glass Victus 2), aluminum frame, glass back
Zenfone 12 Ultra
Glass front (Gorilla Glass Victus 2), aluminum frame, glass back
SIM
Zenfone 11 Ultra
Nano-SIM + Nano-SIM
Zenfone 12 Ultra
Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Other
Zenfone 11 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Zenfone 12 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Zenfone 11 Ultra
LTPO AMOLED, 144Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)
Zenfone 12 Ultra
LTPO AMOLED, 144Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)
Size
Zenfone 11 Ultra
6.78 inches, 111.0 cm2 (~88.2% screen-to-body ratio)
Zenfone 12 Ultra
6.78 inches, 111.0 cm2 (~88.0% screen-to-body ratio)
Resolution
Zenfone 11 Ultra
1080 x 2400 pixels, 20:9 ratio (~388 ppi density)
Zenfone 12 Ultra
1080 x 2400 pixels, 20:9 ratio (~388 ppi density)
Protection
Zenfone 11 Ultra
Corning Gorilla Glass Victus 2
Zenfone 12 Ultra
Corning Gorilla Glass Victus 2, Mohs level 6
OS
Zenfone 11 Ultra
Android 14, up to 2 major Android upgrades
Zenfone 12 Ultra
Android 15, upgradable to Android 16, up to 2 major Android upgrades
Chipset
Zenfone 11 Ultra
Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
Zenfone 12 Ultra
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU
Zenfone 11 Ultra
Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
Zenfone 12 Ultra
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Zenfone 11 Ultra
Adreno 750
Zenfone 12 Ultra
Adreno 830
Card slot
Zenfone 11 Ultra
No
Zenfone 12 Ultra
No
Internal
Zenfone 11 Ultra
256GB 12GB RAM, 512GB 16GB RAM
Zenfone 12 Ultra
256GB 12GB RAM, 512GB 16GB RAM
Other
Zenfone 11 Ultra
UFS 4.0
Zenfone 12 Ultra
UFS 4.0
Triple
Zenfone 11 Ultra
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
Zenfone 12 Ultra
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
Features
Zenfone 11 Ultra
LED flash, HDR, panorama
Zenfone 12 Ultra
LED flash, HDR, panorama
Video
Zenfone 11 Ultra
8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+
Zenfone 12 Ultra
8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+
Single
Zenfone 11 Ultra
32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
Zenfone 12 Ultra
32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
Features
Zenfone 11 Ultra
Panorama, HDR
Zenfone 12 Ultra
Panorama, HDR
Video
Zenfone 11 Ultra
1080p@30fps
Zenfone 12 Ultra
1080p@30fps
Loudspeaker
Zenfone 11 Ultra
Yes, with stereo speakers
Zenfone 12 Ultra
Yes, with stereo speakers
3.5mm jack
Zenfone 11 Ultra
Yes
Zenfone 12 Ultra
Yes
Other
Zenfone 11 Ultra
32-bit/384kHz Hi-Res & Hi-Res wireless audio
Zenfone 12 Ultra
32-bit/384kHz Hi-Res & Hi-Res wireless audio
WLAN
Zenfone 11 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Zenfone 12 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Zenfone 11 Ultra
5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
Zenfone 12 Ultra
5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
Positioning
Zenfone 11 Ultra
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
Zenfone 12 Ultra
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
NFC
Zenfone 11 Ultra
Yes
Zenfone 12 Ultra
Yes
Radio
Zenfone 11 Ultra
No
Zenfone 12 Ultra
No
USB
Zenfone 11 Ultra
USB Type-C
Zenfone 12 Ultra
USB Type-C
Sensors
Zenfone 11 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Zenfone 12 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Zenfone 11 Ultra
5500 mAh
Zenfone 12 Ultra
5500 mAh
Charging
Zenfone 11 Ultra
65W wired, PD3.0, PPS, QC5, 100% in 39 min 15W wireless (Qi) 10W reverse wired
Zenfone 12 Ultra
65W wired, PD3.0, PPS, QC5, 100% in 39 min 15W wireless (Qi) 10W reverse wired
Colors
Zenfone 11 Ultra
Eternal Black, Skyline Blue, Misty Gray, Desert Sand
Zenfone 12 Ultra
Ebony Black, Sakura White, Sage Green
Models
Zenfone 11 Ultra
AI2401, ASUS_AI2401_H
Zenfone 12 Ultra
AI2501, AI2501H, I2501C, AI2501B
Price
Zenfone 11 Ultra
£ 1,355.00
Zenfone 12 Ultra
£ 1,739.00