HMD XR21 vs Motorola StarTAC Rainbow
Side by side comparison between HMD XR21 vs Motorola StarTAC Rainbow phones, differences, pros, cons and full specifications. What's the better?
,
6.49"
IPS
IPS
1080x2400
64
MP
MP
16mp
6GB
RAM
RAM
Octa-core
4800
mAh
mAh
(Non removable)
vs
What's the better phone? HMD XR21
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!
33 Advantages 
2 Advantages | 1 Common items in both devices |
| Plastic body, glass front / Plastic body |
| + 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 | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Change model | ||
| Model | HMD XR21 | StarTAC Rainbow |
| Other model names | HMD XR21 TA-1592 | Motorola StarTAC Rainbow |
| Country or region available |  (Global, International) |  USA |
| Brand | HMD | Motorola |
| Release date | 5/1/2024, Announced: 5/14/2024 | 2/1/1997 |
| Depth | 10.45 millimeters (0.41 inches) | 23 millimeters (0.91 inches) |
| Size (width x height) | 78.58 x 168 millimeters (3.09 x 6.61 in) | 57 x 98 millimeters (2.24 x 3.86 in) |
| Weight | 231 grams (8.09 ounces) | 112 grams (3.92 ounces) |
| Build, materials | Plastic body, glass front | Plastic body |
| Protection against water and others | IP68/IP69K certified: water-resistant up to 1.5 meters for 30min, dust-resistant, plus high-pressure and steam-washable. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Display type | TFT IPS LCD | Monochromatic |
| Screen size | 6.49" inches | 1.3" inches |
| Screen-to-body ratio | ~77% (screen-to-body ratio) | ~3.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 2x12 pixels |
| Touchscreen | Capacitive Multitouch | Not supported |
| Pixel density (dot pitch) | 406 PPI | 9 PPI |
| Colors | 16 million | 2 |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 450nits[typ], 550nits[peak] | Not supported |
🤖 Operating System | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| System version | Android 13 | Proprietary OS |
| Firmware update | Android 14 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Chipset | 64bit: Qualcomm Snapdragon 695 (SM6375) (6nm) | 16bit |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 619 (840MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| RAM memory | 6GB LPDDR4X | 1MB SDRAM |
| Internal storage | 128GB (101GB available) UFS 2.2 | 1KB Flash (EEPROM) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G, 5G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Mono-Band 900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Primary 4G network | LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 39, 40, 41, 42, 43, 48) VoLTE | Not supported |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 39, 40, 41, 42, 43, 48) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Back camera (main camera) | (dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm | Not supported |
| Main camera resolution | 10120x6328 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS: Optical stabilization | Not supported |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | 1080p@30fps | feature not registered |
📸 Front camera | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Front camera (secondary) | 16 megapixels | Not supported |
| Front camera resolution | 4608x3456 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Loudspeaker | Stereo sound with dual speakers | feature not registered |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | feature not registered |
🔌 Connectivity | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | Not supported |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | Not supported |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Not supported |
| Vibrating alert | Supported | Not supported |
🔋 Battery | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4800 mAh | 500 mAh |
| Charger, watts | 33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0 | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 48 hours (2 days) | 2 hours |
| Standby | feature not registered | 40 hours (1.7 days) |
➕ Other features | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| Call control | Voice dialing, Voice recorder, Voice commands | Not supported |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS |
| Hands-free calling | Supported | Not supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Monophonic |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | External retractable antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Midnight Black | • 16 Languages • Phonebook with 100 entries • Call records 10 dialed, 5 received, 5 missed calls |
☢️ Radiation rate | ||
| HMD XR21 | Motorola StarTAC Rainbow | |
| 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 |