Xiaomi Poco M4 Pro (64GB) vs Motorola Primus (XT621)
Side by side comparison between Xiaomi Poco M4 Pro vs Motorola Primus phones, differences, pros, cons and full specifications. What's the better?
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6.6"
IPS
IPS
1080x2400
50
MP
MP
16mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
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What's the better phone? Xiaomi Poco M4 Pro (64GB)
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!
30 Advantages 
3 Advantages | 12 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +5 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 Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Model | Poco M4 Pro (64GB) | Primus (XT621) |
| Other model names | POCO M4 Pro 5G (21091116AC) | Nextel Motorola Primus XT621, Motorola XT621 Primus |
| Country or region available |  (Global, International) |  (Global, International), (Latin America) |
| Brand | Xiaomi | Motorola |
| Release date | 11/11/2021, Announced: 11/9/2021 | 1/1/2013 |
| Depth | 8.75 millimeters (0.34 inches) | 12.3 millimeters (0.48 inches) |
| Size (width x height) | 75.78 x 163.56 millimeters (2.98 x 6.44 in) | 60 x 119 millimeters (2.36 x 4.69 in) |
| Weight | 195 grams (6.83 ounces) | 145 grams (5.08 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.6" inches | 4" inches |
| Screen-to-body ratio | ~84.8% (screen-to-body ratio) | ~63.8% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 399 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass |
| Refresh rate | 90Hz | feature not registered |
| Display features | 450nits[typ] DCI-P3 | feature not registered |
🤖 Operating System | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| System version | Android 11 | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | MIUI 12.5 | feature not registered |
⚙️ Processor | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Chipset | 64bit: MediaTek Dimensity 810 (6nm) | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) |
| CPU | Octa-core, 2 processors: 2x 2.4GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) |
| GPU graphical controller | ARM Mali-G57 MC2 | Qualcomm Adreno 205 |
| Performance (benchmark) | AnTuTu: 353663 (v9) Geekbench: 1797 (v5.1) GFXBench: 13fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| RAM memory | 4GB LPDDR4X | 1GB LPDDR2 |
| Internal storage | 64GB (48GB available) UFS 2.2 | 4GB (1GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| 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 | UMTS 850/900/1700/1900/2100 | iDEN 800 UMTS 2100/1900/1700 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | iDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Back camera (main camera) | (dual camera) 50 megapixels 8MP ultrawide f/2.2119° | 5 megapixels |
| Main camera resolution | 8160x6120 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 60 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| 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 | f/2.5 (aperture) | 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 | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Loudspeaker | Stereo sound with dual speakers | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, AAC+ |
🔌 Connectivity | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BP7X |
| Battery capacity | 5000 mAh | 1860 mAh |
| Charger, watts | 33W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Poco Yellow, Power Black, Cool Blue • Silicon protective case included | • Colors: Black • Push-to-Talk (PTT) • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Xiaomi Poco M4 Pro (64GB) | Motorola Primus (XT621) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.23W/kg (head), 0.42W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.73W/kg (head), 0.31W/kg (body) |