Xiaomi 15 (China 256GB/12GB) vs Motorola Razr 40 Ultra (512GB)
Side by side comparison between Xiaomi 15 vs Motorola Razr 40 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.36"
AMOLED
AMOLED
1200x2670
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
5400
mAh
mAh
(Non removable)
vs
6.9"
AMOLED
AMOLED
1080x2640
12
MP
MP
32mp
12GB
RAM
RAM
Octa-core
3800
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 15 (China 256GB/12GB)
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!
20 Advantages 
6 Advantages | 32 Common items in both devices |
| Aluminum body, glass front / Aluminum frame, flexible plastic screen, glass back |
| LTPO AMOLED |
| Dolby Vision/HDR10+ / HDR10+ |
| PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| HDR photo/video on both cameras |
| +25 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 | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Model | Xiaomi 15 (China 256GB/12GB) | Razr 40 Ultra (512GB) |
| Other model names | Xiaomi 15 24129PN74C | Lenovo Moto Razr 40 Ultra XT2321-1 |
| Country or region available |  China |  (Latin America), China |
| Brand | Xiaomi | Motorola |
| Release date | 10/29/2024 | 6/5/2023, Announced: 6/1/2023 |
| Depth | 8.4 millimeters (0.33 inches) | 6.99 millimeters (0.28 inches) |
| Size (width x height) | 71.2 x 152.3 millimeters (2.8 x 6 in) | 73.95 x 170.83 millimeters (2.91 x 6.73 in) |
| Weight | 192 grams (6.72 ounces) | 189 grams (6.62 ounces) |
| Build, materials | Aluminum body, glass front | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus Folded: 15.1 x 73,95 x 88.4 mm |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP52 certified: protection against dust and splashing |
📲 Display | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Display type | LTPO AMOLED | LTPO AMOLED |
| Screen size | 6.36" inches | 6.9" inches |
| Screen-to-body ratio | ~90% (screen-to-body ratio) | ~85.2% (screen-to-body ratio) |
| Display resolution | 1200x2670 pixels (20:9) | 1080x2640 pixels (22:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 460 PPI | 413 PPI |
| Colors | 68 billion | 1 billion |
| Scratch-resistant glass | Dragon Crystal Glass | Not supported |
| Refresh rate | 120Hz | 165Hz |
| Display features | 3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz | 1400nits[peak] HDR10+ 120% DCI-P3 Extra display: AMOLED 3.6" (1056x1066), 144Hz, HDR10+, Gorilla Glass Victus |
🤖 Operating System | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| System version | Android 15 | Android 13 |
| Firmware update | feature not registered | feature not registered |
| User Interface | HyperOS 2 | My UX |
⚙️ Processor | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1100MHz) | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 2534643 (v10) Geekbench: 9419 (v6) | AnTuTu: 975396 (v9) Geekbench: 3645 (v5.1), 4045 (v6) GFXBench: 65fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| RAM memory | 12GB LPDDR5X | 12GB LPDDR5 |
| Internal storage | 256GB (220GB available) UFS 4.0 | 512GB (460GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 3000/1024 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 43, 48) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 77, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 43, 48) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm | (dual camera) 12 megapixels 13MP ultrawide f/2.2108°1/3"1.12µmAF |
| Main camera resolution | 8160x6120 pixels | 4000x3000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.6 (aperture) | f/1.5 (aperture) |
| Focal length | 23mm (lens) | feature not registered |
| Sensor size | 1/1.31" inches | 1/2.55" inches |
| Pixel size | 1.2µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux | 4K@30/60fps 1080p@30/60/120fps Slow motion |
📸 Front camera | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Front camera (secondary) | 32 megapixels | 32 megapixels |
| Front camera resolution | 6528x4896 pixels | 6528x4896 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | 21mm (lens) | feature not registered |
| Sensor size | 1/3.14" inches | feature not registered |
| Pixel size | 0.7µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res | Stereo sound with dual speakers Dolby Atmos |
| Active noise cancellation | 4 microphones | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 6.0 + A2DP/LE | 5.3 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO 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, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Battery type | Li-Si: lithium-silicon (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5400 mAh | 3800 mAh |
| Charger, watts | 90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 | 30W Wired fast charging Reverse charging by cable |
| Inductive / wireless charging | 50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging | 5W Qi Wireless charging (Qi/WPC) |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI | • Colors: Infinite Black, Glacier Blue, Viva Magenta • Ready For • ThinkShield |
☢️ Radiation rate | ||
| Xiaomi 15 (China 256GB/12GB) | Motorola Razr 40 Ultra (512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.99W/kg (head), 1W/kg (body) | 1.26W/kg (head), 1.37W/kg (body) |