Asus Zenfone 8 Flip (256GB) vs Xiaomi Redmi K20 (256GB)
Side by side comparison between Asus Zenfone 8 Flip vs Xiaomi Redmi K20 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 8 Flip (256GB)
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!
25 Common items in both devices |
256GB (228GB available) / 256GB (234GB available) |
Aluminum frame, glass front/back |
16 million |
Dual-LED flash |
Digital and optical 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 | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Model | Zenfone 8 Flip (256GB) | Redmi K20 (256GB) |
Other model names | Asus Zenfone 8 (ZS672KS) | Xiaomi Redmi K20 M1903F10A, M1903F10C, M1903F10T |
Country or region available | (Global, International) | China |
Brand | Asus | Xiaomi |
Release date | 5/13/2021, Announced: 5/12/2021 | 6/1/2019 |
Depth | 8.9 millimeters (0.35 inches) | 8.8 millimeters (0.35 inches) |
Size (width x height) | 68.5 x 148 millimeters (2.7 x 5.83 in) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) |
Weight | 169 grams (5.92 ounces) | 191 grams (6.69 ounces) |
Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Display type | Super AMOLED | AMOLED |
Screen size | 6.67" inches | 6.39" inches |
Screen-to-body ratio | ~105.9% (screen-to-body ratio) | ~86.1% (screen-to-body ratio) |
Display resolution | 1080x2400 pixels (20:9) | 1080x2340 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
Pixel density (dot pitch) | 395 PPI | 403 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 5 |
Refresh rate | 90Hz | 60Hz |
Display features | 700nits[typ], 1000nits[peak] HDR10+ Always-On Display | 600nits[typ] HDR10 |
🤖 Operating System | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
System version | Android 11 | Android 9.0 Pie |
Firmware update | Android 13 | Android 10 |
User Interface | ZenUI 8 / 9 / 10 | feature not registered |
⚙️ Processor | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm) |
CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
GPU graphical controller | Qualcomm Adreno 660 (840MHz) | Qualcomm Adreno 618 (610MHz) |
Performance (benchmark) | AnTuTu: 675851 (v8), 797848(v9) Geekbench: 3673 (v5.1) GFXBench: 62fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
RAM memory | 8GB LPDDR5 | 8GB LPDDR4X |
Internal storage | 256GB (228GB available) UFS 3.1 | 256GB (234GB available) UFS 2.1 |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 2000/1024 Mbps | 800/150 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 | GSM 850/900/1800/1900 | CDMA 800 (China), GSM 850/900/1800/1900 |
Primary 3G network | UMTS 800/850/900/1700/1900/2100 | 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 |
Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | 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) |
Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | 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 |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | Not supported |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom | (triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm |
Main camera resolution | 10120x6328 pixels | 8000x6000 pixels |
Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
Flash | Dual-LED flash | Dual-LED flash |
Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
Focal length | 26mm lens | 26mm lens |
Sensor size | 1/1.73" inches | 1/2" inches |
Pixel size | 0.8µm 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 | Digital and optical zoom | Digital and optical zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Supported | Not supported |
HDR | HDR photo/video on both cameras | HDR photo on both cameras |
Camera extras | 4K@120fps 1080p@240fps 720p@480fps | feature not registered |
📸 Front camera | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Front camera (secondary) | Uses the back motorized camera (flip-up/rotating) | 20 megapixels *Motorized pop-up camera (slider) |
Front camera resolution | 10120x6328 pixels | 5184x3840 pixels |
Video recording (secondary) | 8K UHD (7680x4320) | Full HD (1920x1080) |
Front flash | Dual-LED flash | Not supported |
Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/1.73" inches | feature not registered |
Pixel size | 0.8µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Loudspeaker | Stereo sound 24-bit/192kHz | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | Not supported | 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 |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | Type-C reversible connector | 3.5mm jack |
TV output | USB Type-C (reversible) | Not supported |
Bluetooth | 5.2 + 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 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, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 5000 mAh | 4000 mAh |
Charger, watts | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 18W (9V/2A) Wired fast charging |
Inductive / wireless charging | Not supported | feature not registered |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
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: Galactic Black, Glacier Silver | • Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+ |
☢️ Radiation rate | ||
Asus Zenfone 8 Flip (256GB) | Redmi K20 (256GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.07W/kg (head), 0.72W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |