Samsung Rex 80 (S5222R) vs Xiaomi 15 (Global 512GB/12GB)
Side by side comparison between Samsung Rex 80 vs Xiaomi 15 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.36"
AMOLED
AMOLED
1200x2670
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
5240
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 15 (Global 512GB/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!
4 Advantages 
34 Advantages | 5 Common items in both devices |
| Capacitive |
| Multitouch |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| + 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 | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Change model | ||
| Model | Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) |
| Other model names | Samsung Rex 80 Duos S5222R for India market | Xiaomi 15 24129PN74G, 24129PN74I |
| Country or region available |  India |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 3/1/2013 | 10/29/2024 |
| Depth | 11.5 millimeters (0.45 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 58 x 102 millimeters (2.28 x 4.02 in) | 71.2 x 152.3 millimeters (2.8 x 6 in) |
| Weight | feature not registered | 192 grams (6.72 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Display type | TFT LCD | LTPO AMOLED |
| Screen size | 3" inches | 6.36" inches |
| Screen-to-body ratio | ~47.1% (screen-to-body ratio) | ~90% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 1200x2670 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 133 PPI | 460 PPI |
| Colors | 260 thousand | 68 billion |
| Scratch-resistant glass | Not supported | Dragon Crystal Glass |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz |
🤖 Operating System | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| System version | Proprietary OS | Android 15 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | HyperOS 2 |
⚙️ Processor | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) |
| CPU | Single-core, 1 processor: Single-core XMM 2150 (Single-core) | Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 830 (1100MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 2534643 (v10) Geekbench: 9419 (v6) |
💽 Memory and storage | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| RAM memory | feature not registered | 12GB LPDDR5X |
| Internal storage | 20MB | 512GB (458GB available) UFS 4.0 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| 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) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 0.236 Mbps | 3000/1024 Mbps |
| Network technology | 2G | 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 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 38, 39, 40, 41, 42, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78) |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 38, 39, 40, 41, 42, 48) VoLTE |
| Secondary data network | GPRS | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Back camera (main camera) | 3.1 megapixels | (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 |
| Main camera resolution | 2048x1536 pixels | 8160x6120 pixels |
| Video recording (primary) | Supported | 8K UHD (7680x4320) 30 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.6 (aperture) |
| Focal length | feature not registered | 23mm (lens) |
| Sensor size | feature not registered | 1/1.31" inches |
| Pixel size | feature not registered | 1.2µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo/video on both cameras |
| Camera extras | feature not registered | 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 |
📸 Front camera | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Front camera (secondary) | Not supported | 32 megapixels |
| Front camera resolution | Not supported | 6528x4896 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 21mm (lens) |
| Sensor size | feature not registered | 1/3.14" inches |
| Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Loudspeaker | Supported | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res |
| Active noise cancellation | feature not registered | 4 microphones |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| 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 | 3.0 | 6.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Sensors | Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Si: lithium-silicon (Non removable) |
| Battery capacity | 1000 mAh | 5240 mAh |
| Charger, watts | Wired charging | 90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging |
| Talk time autonomy | 14.7 hours | feature not registered |
| Standby | 490 hours (20.4 days) | feature not registered |
➕ Other features | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | feature not registered | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Gray, Black, Red • Samsung TouchWiz Lite UI • ChatON • Opera browser • Facebook, Twitter, YouTube • Java framework | • Colors: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI |
☢️ Radiation rate | ||
| Samsung Rex 80 (S5222R) | Xiaomi 15 (Global 512GB/12GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.99W/kg (head), 1W/kg (body) |