Sony Xperia Z4v (E6508) vs HMD XR21
Side by side comparison between Sony Xperia Z4v vs HMD XR21 phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
1440x2560
20.7
MP
MP
5mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.49"
IPS
IPS
1080x2400
64
MP
MP
16mp
6GB
RAM
RAM
Octa-core
4800
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!
9 Advantages 
23 Advantages | 25 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| Capacitive |
| +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 | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Change model | ||
| Model | Xperia Z4v (E6508) | HMD XR21 |
| Other model names | Verizon Sony Xperia Z4v E6508, Sony E6508 | HMD XR21 TA-1592 |
| Country or region available |  USA |  (Global, International) |
| Brand | Sony | HMD |
| Release date | 7/1/2015 | 5/1/2024, Announced: 5/14/2024 |
| Depth | 8.7 millimeters (0.34 inches) | 10.45 millimeters (0.41 inches) |
| Size (width x height) | 72.3 x 144.4 millimeters (2.85 x 5.69 in) | 78.58 x 168 millimeters (3.09 x 6.61 in) |
| Weight | 162 grams (5.67 ounces) | 231 grams (8.09 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | 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. |
📲 Display | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.2" inches | 6.49" inches |
| Screen-to-body ratio | ~71.4% (screen-to-body ratio) | ~77% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 565 PPI | 406 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 450nits[typ], 550nits[peak] |
🤖 Operating System | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| System version | Android 5.0.2 Lollipop | Android 13 |
| Firmware update | Android 5.1 Lollipop | Android 14 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Chipset | 64bit: Qualcomm Snapdragon 810 MSM8994 (20nm) | 64bit: Qualcomm Snapdragon 695 (SM6375) (6nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A57 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 430 | Qualcomm Adreno 619 (840MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| RAM memory | 3GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 32GB (22GB available) | 128GB (101GB available) UFS 2.2 |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 300/50 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 2, 3, 4, 7, 13, 20) | 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 |
| Primary 5G network | Not supported | SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | 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 |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Back camera (main camera) | 20.7 megapixels | (dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm |
| Main camera resolution | 5248x3936 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.3" inches | 1/2" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@30fps |
📸 Front camera | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Front camera (secondary) | 5 megapixels | 16 megapixels |
| Front camera resolution | 2592x1944 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| 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 | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Loudspeaker | Supported | Stereo sound with dual speakers |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL-3 | USB Type-C (reversible) |
| Bluetooth | 4.1 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 4800 mAh |
| Charger, watts | 18W Wired fast charging | 33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0 |
| Inductive / wireless charging | Qi wireless charging | Not supported |
| Talk time autonomy | 20 hours | 48 hours (2 days) |
| Standby | 580 hours (24.2 days) | feature not registered |
➕ Other features | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| 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: White, Black • Oleophobic coating • Sony Triluminos display • S-Force Surround sound • PS4 Remote Play • WiFi Miracast, direct, hotspot • Qi Wireless Charging (60% in 30min) | • Colors: Midnight Black |
☢️ Radiation rate | ||
| Sony Xperia Z4v (E6508) | HMD XR21 | |
| 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 |