Coolpad Cool 20 Pro vs LG K42 (K420HM)
Side by side comparison between Coolpad Cool 20 Pro vs LG K42 phones, differences, pros, cons and full specifications. What's the better?
,
6.58"
IPS
IPS
1080x2400
50
MP
MP
8mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
6.6"
IPS
IPS
720x1600
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Coolpad Cool 20 Pro
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!
20 Advantages 
3 Advantages | 25 Common items in both devices |
| Until 1TB microSD, microSDXC |
| TFT IPS LCD |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +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 | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Change model | ||
| Model | Cool 20 Pro | K42 (K420HM) |
| Other model names | Coolpad Cool 20 Pro 5G (CP05) | LG K42 LMK420HM, LM-K420HM Single-SIM |
| Country or region available |  (Global, International) |      (Latin America), Chile, Ecuador, Mexico, Peru |
| Brand | Coolpad | LG |
| Release date | 12/2/2021 | 9/21/2020 |
| Depth | 8.3 millimeters (0.33 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 74.8 x 162.8 millimeters (2.94 x 6.41 in) | 76.7 x 165 millimeters (3.02 x 6.5 in) |
| Weight | 193 grams (6.76 ounces) | 184 grams (6.44 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.58" inches | 6.6" inches |
| Screen-to-body ratio | ~85.8% (screen-to-body ratio) | ~83.1% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 400 PPI | 266 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | 60Hz |
| Display features | DCI-P3 | Not supported |
🤖 Operating System | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| System version | Android 11 | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | CoolOS 2.0 | feature not registered |
⚙️ Processor | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Chipset | 64bit: MediaTek Dimensity 900 (6nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 2 processors: 2x 2.4GHz ARM Cortex-A78 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G68 MC4 (900MHz) | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| RAM memory | 6GB LPDDR4X | 3GB LPDDR4X |
| Internal storage | 128GB (103GB available) UFS 2.1 | 64GB (45GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 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 | CDMA 800, 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 Cat12 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38) VoLTE |
| Primary 5G network | SA/NSA (28, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat12 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Back camera (main camera) | (triple camera) 50 megapixels 8MP ultrawide 2MP macro | (quad camera) 13 megapixels 5MP ultrawide f/2.2115°1/5.0"1.12µm 2MP macro f/2.41.75μm 2MP depth f/2.41.75μm |
| Main camera resolution | 8160x6120 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm 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 | 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 | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Front camera (secondary) | 8 megapixels | 8 megapixels |
| Front camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| 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 | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| 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 | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| 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 | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| 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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 4000 mAh |
| Charger, watts | 33W Wired fast charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 16 hours |
| Standby | feature not registered | 180 hours (7.5 days) |
➕ Other features | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| 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: Black, Blue, White, Gold | • Colors: Titan, Green, Red • Silicon case included • LG 3D Sound Engine |
☢️ Radiation rate | ||
| Coolpad Cool 20 Pro | LG K42 (K420HM) | |
| 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 |