Xiaomi Redmi K20 Pro (64GB) vs Samsung Galaxy A8 Duos (SM-A800YZ)
Side by side comparison between Xiaomi Redmi K20 Pro vs Samsung Galaxy A8 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
5.7"
AMOLED
AMOLED
1080x1920
16
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3050
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi K20 Pro (64GB)
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 
5 Advantages | 29 Common items in both devices |
| Aluminum frame, glass front/back / Aluminum body, glass front, plastic back |
| Super AMOLED |
| 16 million |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| +22 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 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| Model | Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) |
| Other model names | Xiaomi Redmi K20 Pro M1903F11A, M1903F11C, M1903F11T | Chunghwa Telecom Galaxy A8 SM-A800IZ Dual-Sim |
| Country or region available |  China |  Taiwan |
| Brand | Xiaomi | Samsung |
| Release date | 6/1/2019 | 8/1/2015 |
| Depth | 8.8 millimeters (0.35 inches) | 5.9 millimeters (0.23 inches) |
| Size (width x height) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) | 76.8 x 158 millimeters (3.02 x 6.22 in) |
| Weight | 191 grams (6.69 ounces) | 151 grams (5.29 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.39" inches | 5.7" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) | ~73.8% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 386 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 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| System version | Android 9.0 Pie | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 32bit: Samsung Exynos 5 Octa 5430 (28nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | ARM Mali-T628 MP6 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 64GB (49GB available) UFS 2.1 | 32GB (25GB available) eMMC 5.0 |
| External storage | Not supported | Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1024/150 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 | MZB7748IN, MZB7749IN, MZB7750IN version: UMTS 850/900/1900/2100 M1903F11A, M1903F11C, M1903F11T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat16/13 VoLTE MZB7748IN, MZB7749IN, MZB7750IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F11A, M1903F11C, M1903F11T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) | LTE Cat4 (Bands 3, 8, 28) TD-LTE (Bands 40) |
| 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 |
| 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 |
📷 Camera | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| 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 | 16 megapixels |
| Main camera resolution | 8000x6000 pixels | 4608x3456 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm (lens) | 31mm (lens) |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/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 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| 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 | Not supported |
| Focal aperture | f/2.2 (aperture) | f/1.9 (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 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| Loudspeaker | Supported | Supported |
| 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, MKV, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| 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 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 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3050 mAh |
| Charger, watts | 27W Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 17 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| 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, White, Gold • Samsung TouchWiz UX |
☢️ Radiation rate | ||
| Redmi K20 Pro (64GB) | Galaxy A8 Duos (SM-A800YZ) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.91W/kg (head), 1.099W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.317W/kg (head), 0.546W/kg (body) |