Asus Zenfone 2 (ZE551ML 16GB) vs Xiaomi 13 Ultra (256GB)
Side by side comparison between Asus Zenfone 2 vs Xiaomi 13 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
vs
6.73"
AMOLED
AMOLED
1440x3200
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 13 Ultra (256GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
4 Advantages 
28 Advantages | 15 Common items in both devices |
| Dual-LED flash |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +8 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Model | Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) |
| Other model names | Asus Zenfone 2 ZE551ML Dual-sim (16GB + 4GB RAM) | Mi 13 Ultra 2304FPN6DC |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 3/1/2015 | 4/21/2023, Announced: 4/18/2023 |
| Depth | 10.9 millimeters (0.43 inches) | 9.06 millimeters (0.36 inches) |
| Size (width x height) | 77.2 x 152.5 millimeters (3.04 x 6 in) | 74.64 x 163.18 millimeters (2.94 x 6.42 in) |
| Weight | 170 grams (5.95 ounces) | 227 grams (7.95 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front, leather back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Display type | TFT IPS LCD | LTPO AMOLED |
| Screen size | 5.5" inches | 6.73" inches |
| Screen-to-body ratio | ~70.8% (screen-to-body ratio) | ~89.8% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 401 PPI | 521 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 2600nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 240Hz |
🤖 Operating System | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| System version | Android 5.0 Lollipop | Android 13 |
| Firmware update | Android 6.0 Marshmallow | feature not registered |
| User Interface | feature not registered | MIUI 14 |
⚙️ Processor | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Chipset | 64bit: Intel Atom Z3560 | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AB) (4nm) |
| CPU | Quad-core, 1 processor: 4x 1.8GHz Intel Silvermont (Quad-core) | Octa-core, 3 processors: 1x 3.2GHz ARM Cortex-X3 (Single-core) 4x 2.8GHz ARM Cortex-A710/A715 (Quad-core) 3x 2GHz ARM Cortex-A510 (Triple-core) |
| GPU graphical controller | PowerVR G6430 MP4 | Qualcomm Adreno 740 |
| Performance (benchmark) | feature not registered | AnTuTu: 1268538 (v9) Geekbench: 5049 (v5.1), 5556 (v6) GFXBench: 110fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| RAM memory | 4GB LPDDR3 | 12GB LPDDR5X |
| Internal storage | 16GB (10GB available) | 256GB (222GB available) UFS 4.0 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 800/850/900/1700/1800/1900/2100/2600 Bands (1,2,3,4,5,7,8,20) - USA: 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20) | LTE Cat20 (1, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Back camera (main camera) | 13 megapixels | (5 cameras) 50 megapixels 50MP periscope telephoto f/3.0120mm1/2.51"PDAFOIS5x-optical-zoom 50MP telephoto f/1.875mm1/2.51"PDAFOIS3.2x-optical-zoom 50MP ultrawide f/1.812mm122°1/2.51"PDAF 0.3MP TOF 3D depth |
| Main camera resolution | 4128x3096 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 23mm lens |
| Sensor size | feature not registered | 1/1" inches |
| Pixel size | feature not registered | 1.6µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | 8K@24fps 4K@30/60fps 1080p@30/120/240fps 1080p@480/960/1920fps Slow motion 10-bit Dolby Vision/HDR10+ Leica optics |
📸 Front camera | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Front camera (secondary) | 5 megapixels | 32 megapixels |
| Front camera resolution | 2560x1920 pixels | 6528x4896 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 22mm lens |
| Sensor size | feature not registered | 1/3.14" inches |
| Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| USB | MicroUSB 2.0 | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.0 + A2DP | 5.3 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 5000 mAh |
| Charger, watts | Wired charging | 90W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gold, Gray, Red, White • Asus ZenUI • Fast battery charging: 60% in 40min • 5GB free ASUS WebStorage • OpenGL 3.0 • Asus BoostMaster 18W adapter included | • Colors: Black, Olive Green, White, Orange, Yellow, Blue • LiquidCool |
☢️ Radiation rate | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Xiaomi 13 Ultra (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |