HMD XR21 vs Xiaomi Mi A2 (64GB)
Side by side comparison between HMD XR21 vs Xiaomi Mi A2 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
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
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!
25 Advantages 
6 Advantages | 25 Common items in both devices |
| TFT IPS LCD / LTPS IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| f/1.8 (aperture) |
| (front) Full HD (1920x1080) |
| +18 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 | Xiaomi Mi A2 (64GB) | |
| Change model | ||
| Model | HMD XR21 | Xiaomi Mi A2 (64GB) |
| Other model names | HMD XR21 TA-1592 | Xiaomi A2 M1804D2SG (64GB + 4GB RAM), 小米6X, Xiaomi Wayne |
| Country or region available |  (Global, International) |  (Global, International), India |
| Brand | HMD | Xiaomi |
| Release date | 5/1/2024, Announced: 5/14/2024 | 7/27/2018, Announced: 7/24/2018 |
| Depth | 10.45 millimeters (0.41 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 78.58 x 168 millimeters (3.09 x 6.61 in) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) |
| Weight | 231 grams (8.09 ounces) | 166 grams (5.81 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| 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 | Xiaomi Mi A2 (64GB) | |
| Display type | TFT IPS LCD | LTPS IPS LCD |
| Screen size | 6.49" inches | 5.99" inches |
| Screen-to-body ratio | ~77% (screen-to-body ratio) | ~77.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2160 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 406 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 450nits[typ], 550nits[peak] | Not supported |
🤖 Operating System | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| System version | Android 13 | Android 8.1 Oreo |
| Firmware update | Android 14 | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 695 (SM6375) (6nm) | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 619 (840MHz) | Qualcomm Adreno 512 (650MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 128GB (101GB available) UFS 2.2 | 64GB (51GB available) eMMC 5.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| 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 | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 600/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| 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 | Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100 |
| 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 | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 40, 41) |
| 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| 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 | GPRS, EDGE |
📷 Camera | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| Back camera (main camera) | (dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm |
| Main camera resolution | 10120x6328 pixels | 4000x3000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2" inches | 1/2.9" inches |
| Pixel size | feature not registered | 1.25µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| 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 | HDR photo on both cameras |
| Camera extras | 1080p@30fps | feature not registered |
📸 Front camera | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| Front camera (secondary) | 16 megapixels | 20 megapixels |
| Front camera resolution | 4608x3456 pixels | 5164x3872 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| Loudspeaker | Stereo sound with dual speakers | Supported |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | FM | 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, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4800 mAh | 3000 mAh |
| Charger, watts | 33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0 | 18W Wired fast charging Quick Charge 4 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 48 hours (2 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, 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 | 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: Midnight Black | • Colors: Black, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display |
☢️ Radiation rate | ||
| HMD XR21 | Xiaomi Mi A2 (64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.64W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.16W/kg (head), 0.66W/kg (body) |