TCL 20 SE (T671O) vs Realme GT 3 (128GB)
Side by side comparison between TCL 20 SE vs Realme GT 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.82"
IPS
IPS
720x1640
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
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!
6 Advantages 
26 Advantages | 23 Common items in both devices |
| 128GB (104GB available) / 128GB (101GB available) |
| Plastic body, glass front / Plastic body, glass front/back |
| Dual-LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| +16 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 | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Model | TCL 20 SE (T671O) | Realme GT 3 (128GB) |
| Other model names | TCL 20 SE T671O-2AAZUS11, T671O-2BAZUS11 | Realme GT3 240W RMX3709 |
| Country or region available |  USA |  (Global, International) |
| Brand | TCL | Realme |
| Release date | 4/26/2021, Announced: 1/11/2021 | 3/17/2023, Announced: 2/28/2023 |
| Depth | 9.1 millimeters (0.36 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 77.14 x 172.08 millimeters (3.04 x 6.77 in) | 75.8 x 163.9 millimeters (2.98 x 6.45 in) |
| Weight | 206 grams (7.21 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 | Not supported | Not supported |
📲 Display | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 6.82" inches | 6.74" inches |
| Screen-to-body ratio | ~83.2% (screen-to-body ratio) | ~87.9% (screen-to-body ratio) |
| Display resolution | 720x1640 pixels | 1240x2772 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 263 PPI | 451 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 144Hz |
| Display features | 450nits[typ] | 500nits[typ], 1400nits[peak] HDR10+ Touch Sampling Rate: 360Hz |
🤖 Operating System | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| System version | Android 11 | Android 13 |
| Firmware update | feature not registered | Android 14 |
| User Interface | feature not registered | Realme UI 4.0 / 5.0 |
⚙️ Processor | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 460 (SM4250) (11nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz Kryo 240 (Quad-core) 4x 1.6GHz Kryo 240 (Quad-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 610 (600MHz) | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 146080 (v9) Geekbench: 814 (v5.4) | AnTuTu: 1074427 (v9) Geekbench: 3898 (v5.1), 3980 (v6) GFXBench: 59fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| RAM memory | 4GB LPDDR3 | 8GB LPDDR5 |
| Internal storage | 128GB (104GB available) eMMC 5.1 | 128GB (101GB available) UFS 3.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| 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) |
| Maximum Download / Upload | 150/50 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 | 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 Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) 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 | Not supported | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | 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 | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Back camera (main camera) | (quad camera) 48 megapixels 5MP ultrawide f/2.214mm115°1/5"1.12µm 2MP depth f/2.4 2MP macro f/2.4 | (triple camera) 50 megapixels 8MP ultrawide f/2.216mm112°1/4"1.12µm 2MP microscope f/3.320mm |
| Main camera resolution | 8000x6000 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 | 27mm (lens) | 24mm (lens) |
| Sensor size | 1/2" inches | 1/1.56" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | 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 on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60fps Sony IMX890 |
📸 Front camera | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Front camera (secondary) | 13 megapixels | 16 megapixels |
| Front camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.5 (aperture) |
| Focal length | 26mm (lens) | 25mm (lens) |
| Sensor size | 1/3" inches | 1/3.09" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 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 | ||
| TCL 20 SE (T671O) | 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 | 5.0 + A2DP/LE | 5.3 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| TCL 20 SE (T671O) | Realme GT 3 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4600 mAh |
| Charger, watts | 18W Wired fast charging | 240W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| TCL 20 SE (T671O) | 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: Nuit Black, Aurora Green • TCL UI 3 • 2.5D screen • Dual speakers stereo • 24-bit/192kHz audio | • Colors: Booster Black, Pulse White |
☢️ Radiation rate | ||
| TCL 20 SE (T671O) | 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 |