Xiaomi Redmi K20 (128GB) vs Samsung Galaxy J7 (SM-J700M/DS)
Side by side comparison between Xiaomi Redmi K20 vs Samsung Galaxy J7 phones, differences, pros, cons and full specifications. What's the better?
,
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
5mp
1.5GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
What's the better phone? Xiaomi Redmi K20 (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!
27 Advantages 
7 Advantages | 17 Common items in both devices |
| 60Hz |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +10 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 | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Model | Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) |
| Other model names | Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN | Galaxy J7 (4G) SM-J700M/Dual-Sim |
| Country or region available |   China, India |  Brazil |
| Brand | Xiaomi | Samsung |
| Release date | 6/1/2019 | 7/16/2015, Announced: 6/19/2015 |
| Depth | 8.8 millimeters (0.35 inches) | 7.5 millimeters (0.3 inches) |
| Size (width x height) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) | 78.6 x 152.4 millimeters (3.09 x 6 in) |
| Weight | 191 grams (6.69 ounces) | 171 grams (5.99 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.39" inches | 5.5" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) | ~69.6% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | 600nits[typ] HDR10 | Not supported |
🤖 Operating System | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| System version | Android 9.0 Pie | Android 5.1.1 Lollipop |
| Firmware update | Android 10 | Android 7.1.1 Nougat |
| User Interface | feature not registered | TouchWiz UX |
⚙️ Processor | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Chipset | 64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm) | 64bit: Samsung Exynos 7580 (28nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) | Octa-core, 1 processor: 8x 1.5GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 618 (610MHz) | ARM Mali-T720 MP2 (668MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| RAM memory | 6GB LPDDR4X | 1.5GB LPDDR3 |
| Internal storage | 128GB (109GB available) UFS 2.1 | 16GB (11GB available) eMMC 5.0 |
| External storage | Not supported | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 800/150 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 (China), GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | MZB7754IN, MZB7755IN, MZB7756IN version: UMTS 850/900/1900/2100 M1903F10A, M1903F10C, M1903F10T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat15/13 VoLTE MZB7754IN, MZB7755IN, MZB7756IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F10A, M1903F10C, M1903F10T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) | LTE Cat4 (1, 2, 3, 4, 5, 7, 17, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Back camera (main camera) | (triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm | 13 megapixels |
| Main camera resolution | 8000x6000 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash on both cameras |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm lens | 28mm lens |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Front camera (secondary) | 20 megapixels *Motorized pop-up camera (slider) | 5 megapixels |
| Front camera resolution | 5184x3840 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 23mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (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 | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 3000 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 18 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| 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: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+ | • Colors: White, Black, Gold |
☢️ Radiation rate | ||
| Redmi K20 (128GB) | Galaxy J7 (SM-J700M/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.07W/kg (head), 0.72W/kg (body) | 1.14W/kg (head), 1.32W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.466W/kg (head), 0.348W/kg (body) |