| Physical features | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Model | Idol 4 (6055K) | 6 Pro (128GB/6GB) |
| Other model names | Alcatel IDOL 4 Dual-Sim 3GB RAM, Alcatel 6055K, OT-6055K | Realme 6 Pro (128GB + 6GB RAM) RMX2061 |
| Country or region available | 
(Europe) | 
(Global, International) |
| Brand | Alcatel | Realme |
| Release date | March, 2016 | March, 2020 |
| Depth | 7.1 millimeters (0.28 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 72.5 x 147 millimeters (2.85 x 5.79 in) | 75.8 x 163.8 millimeters (2.98 x 6.45 in) |
| Weight | 135 grams (4.73 ounces) | 202 grams (7.07 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | feature not registered | Plastic body, glass front/back |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
| System (OS) | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Operating system | Android 6.0.1 Marshmallow | Android 10 |
| Firmware update | feature not registered | feature not registered |
| Hardware | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Chipset | 64bit - Qualcomm Snapdragon 617 MSM8952 (28nm) | 64bit - Qualcomm Snapdragon 720G SM7125 (8nm) |
| CPU processor | Octa-Core, 2 processors:
1.5Ghz Quad-Core ARM Cortex-A53
1.2Ghz Quad-Core ARM Cortex-A53 | Octa-Core, 2 processors:
2.3Ghz Dual-Core Kryo 465 Gold
1.8Ghz Hexa-Core Kryo 465 Silver |
| GPU graphical controller | Qualcomm Adreno 405 550Mhz | Qualcomm Adreno 618 |
| RAM memory | 3GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 16GB (10GB available)
eMMC 5.1 | 128GB (108GB available)
UFS 2.1 |
| External storage | Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC
(dedicated slot) |
| Display | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.2" inches | 6.6" inches |
| Screen-to-body ratio | ~69.9% (screen-to-body ratio) | ~84.7% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 399 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Display features | feature not registered | 90Hz, 480 nits |
| Mobile networks | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 2 slots (Dual-SIM)
nano-SIM (4FF) |
| Maximum download/upload | 150/50 Mbps | 300/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse 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 850/900/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat4 700/800/900/1800/2100/2600 (Bands 1,3,7,8,20,28) | LTE Cat6 (1, 3, 5, 8)
TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
| Calling | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Messaging | SMS (iTap), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Supported | Supported |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Camera | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Back camera (main camera) | 13 megapixels | (quad camera)
64 megapixels
12MP telephotof/2.554mm1/3.4"1.0µmPDAF2x-optical-zoom
8MP ultrawidef/2.313mm1/4.0"1.12µm
2MP macrof/2.422mm1/5.0"1.75µm |
| Main camera resolution | 4128x3096 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED on main camera and LED on front camera | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/3" inches | 1/1.72" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| 2ª camera | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Front camera (secondary) | 8 megapixels | (dual front camera)
16 megapixels
8MP ultrawidef/2.21/4.0"17mm1.12µm |
| Front camera resolution | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | feature not registered | f/2.1 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
| Multimedia | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| TV output | Not supported | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 4.2 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n (2.4Ghz, 5Ghz) | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO |
| DLNA | Not supported | Supported |
| NFC | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC |
| Infrared port | Not supported | Not supported |
| Other functions | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Sensors | Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
| Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
|
| Other features | - Colors: Gold, Dark Gray, Silver, Rose Gold
- USB OTG On-The-Go
- LED notification (white light)
- Oleophobic coating
- Glass back panel
- JBL earphones
- Hi-Fi 3.6W dual-stereo
- Front camera: Wide Angle 84°
- Quick Charge 2.0
- Fast battery charging: 60% in 30min
- Reversible phone
- WiFi direct, hotspot
- VR goggles compatible | - Colors: Lightning Blue, Lightning Orange
- Realme UI
- Dolby Atmos
- 24-bit/192kHz audio
- WiFi direct, hotspot |
| Power supply | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| Battery | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 2610 mAh | 4300 mAh |
| Charger, watts | 18W Fast battery charging | 30W (5V/6A) Fast battery charging
VOOC 4.0 |
| Talk time autonomy | 900 minutes | 15 hours | 0.6 day | feature not registered |
| Standby | 43200 minutes | 720 hours | 30 days | feature not registered |
| Radiation rate | Alcatel Idol 4 (6055K) | Realme 6 Pro (128GB/6GB) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.19W/kg (head) | 0.92W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |