HMD XR21 vs Realme GT 3 (128GB)
Side by side comparison between HMD XR21 vs Realme GT 3 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
6.74"
AMOLED
AMOLED
1240x2772
50
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
What's the better phone? Realme GT 3 (128GB)
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!
10 Advantages 
16 Advantages | 32 Common items in both devices |
| 128GB (101GB available) |
| Plastic body, glass front / Plastic body, glass front/back |
| Dual-LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| +25 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 | Realme GT 3 (128GB) | |
| Change model | ||
| Model | HMD XR21 | Realme GT 3 (128GB) |
| Other model names | HMD XR21 TA-1592 | Realme GT3 240W RMX3709 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | HMD | Realme |
| Release date | 5/1/2024, Announced: 5/14/2024 | 3/17/2023, Announced: 2/28/2023 |
| Depth | 10.45 millimeters (0.41 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 78.58 x 168 millimeters (3.09 x 6.61 in) | 75.8 x 163.9 millimeters (2.98 x 6.45 in) |
| Weight | 231 grams (8.09 ounces) | 199 grams (6.97 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front/back Back: RGB light notification |
| 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 | Realme GT 3 (128GB) | |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 6.49" inches | 6.74" inches |
| Screen-to-body ratio | ~77% (screen-to-body ratio) | ~87.9% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1240x2772 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 406 PPI | 451 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | 144Hz |
| Display features | 450nits[typ], 550nits[peak] | 500nits[typ], 1400nits[peak] HDR10+ Touch Sampling Rate: 360Hz |
🤖 Operating System | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| System version | Android 13 | Android 13 |
| Firmware update | Android 14 | Android 14 |
| User Interface | feature not registered | Realme UI 4.0 / 5.0 |
⚙️ Processor | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 695 (SM6375) (6nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core) | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 619 (840MHz) | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 1074427 (v9) Geekbench: 3898 (v5.1), 3980 (v6) GFXBench: 59fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 128GB (101GB available) UFS 2.2 | 128GB (101GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| 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 | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| 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 Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79) | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| 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 | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) |
| Secondary 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, SA/NSA |
📷 Camera | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| Back camera (main camera) | (dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm | (triple camera) 50 megapixels 8MP ultrawide f/2.216mm112°1/4"1.12µm 2MP microscope f/3.320mm |
| Main camera resolution | 10120x6328 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | 1/2" inches | 1/1.56" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@30fps | 4K@30/60fps 1080p@30/60fps Sony IMX890 |
📸 Front camera | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| Front camera (secondary) | 16 megapixels | 16 megapixels |
| Front camera resolution | 4608x3456 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | 25mm (lens) |
| Sensor size | feature not registered | 1/3.09" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| Loudspeaker | Stereo sound with dual speakers | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | 2 microphones | 2 microphones |
| 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, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.1 + A2DP/LE | 5.3 + 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, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| 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 (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4800 mAh | 4600 mAh |
| Charger, watts | 33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0 | 240W Wired fast charging |
| 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 | Realme GT 3 (128GB) | |
| 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: Midnight Black | • Colors: Booster Black, Pulse White |
☢️ Radiation rate | ||
| HMD XR21 | Realme GT 3 (128GB) | |
| 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 |