Xiaomi Redmi K20 (128GB) vs Samsung Galaxy S7 Edge (SM-G935A)
Side by side comparison between Xiaomi Redmi K20 vs Samsung Galaxy S7 Edge 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
1440x2560
12.2
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3600
mAh
mAh
(Non 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!
19 Advantages 
15 Advantages | 22 Common items in both devices |
| Aluminum frame, glass front/back |
| 16 million |
| PDAF: phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| 4K UHD (3840x2160) |
| 4G LTE-A |
| Capacitive |
| +15 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 S7 Edge (SM-G935A) | |
| Model | Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) |
| Other model names | Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN | AT&T Galaxy S7 edge G935A, Samsung Hero 2 |
| Country or region available |   China, India |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 6/1/2019 | 3/11/2016 |
| Depth | 8.8 millimeters (0.35 inches) | 7.7 millimeters (0.3 inches) |
| Size (width x height) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) | 72.6 x 150.9 millimeters (2.86 x 5.94 in) |
| Weight | 191 grams (6.69 ounces) | 157 grams (5.5 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.39" inches | 5.5" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) | ~76.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1440x2560 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 403 PPI | 534 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 4 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 600nits[typ] HDR10 | feature not registered |
🤖 Operating System | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| System version | Android 9.0 Pie | Android 6.0.1 Marshmallow |
| Firmware update | Android 10 | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| Chipset | 64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm) | 64bit: Qualcomm Snapdragon 820 MSM8996 (14nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 618 (610MHz) | Qualcomm Adreno 530 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4 |
| Internal storage | 128GB (109GB available) UFS 2.1 | 32GB (22GB available) UFS 2.0 |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 800/150 Mbps | 450/50 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 850/900/1900/2100 |
| 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 Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 29, 30) TD-LTE (Bands 38, 39, 40, 41) |
| 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| 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 | 12.2 megapixels |
| Main camera resolution | 8000x6000 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2" inches | 1/2.5" inches |
| Pixel size | 0.8µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical 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/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| 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) | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 22mm lens |
| Sensor size | feature not registered | 1/4.1" inches |
| Pixel size | 0.8µm pixel | 1.34µm pixel |
🔉 Sound and multimedia | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (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 | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3600 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 36 hours (1.5 days) |
| Standby | feature not registered | 336 hours (14 days) |
➕ Other features | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| 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: Black, Gold, Silver • Curved edge screen • Body material: Aluminium • Corning Gorilla Glass back panel • USB OTG On-The-Go • Samsung Gear VR compatible • Fast battery charging: 83% in 30min • Quick Charge 3.0 • Qi Wireless charging (PMA) • OneDrive 115GB • Samsung Pay (Visa/Master) • IP68 certified: dust proof and water resistant over 1.5 meter and 30min |
☢️ Radiation rate | ||
| Redmi K20 (128GB) | Galaxy S7 Edge (SM-G935A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.07W/kg (head), 0.72W/kg (body) | 0.64W/kg (head), 1.59W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |