Samsung Galaxy A8 Duos (SM-A800YZ) vs Xiaomi Redmi K30 Pro Zoom (512GB)
Side by side comparison between Samsung Galaxy A8 vs Xiaomi Redmi K30 Pro Zoom phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
AMOLED
AMOLED
1080x1920
16
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3050
mAh
mAh
(Non removable)
vs
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
12GB
RAM
RAM
Octa-core
4700
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi K30 Pro Zoom (512GB)
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!
6 Advantages 
23 Advantages | 26 Common items in both devices |
| Aluminum body, glass front, plastic back / Aluminum frame, glass front/back |
| Super AMOLED |
| 16 million |
| Autofocus / PDAF: phase detection autofocus |
| f/1.9 (aperture) |
| (front) Full HD (1920x1080) |
| Capacitive |
| +19 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 | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Model | Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) |
| Other model names | Chunghwa Telecom Galaxy A8 SM-A800IZ Dual-Sim | Xiaomi Redmi K30 Pro Zoom 5G (512GB + 12GB RAM) |
| Country or region available |  Taiwan |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 8/1/2015 | 4/4/2020 |
| Depth | 5.9 millimeters (0.23 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 76.8 x 158 millimeters (3.02 x 6.22 in) | 75.4 x 163.3 millimeters (2.97 x 6.43 in) |
| Weight | 151 grams (5.29 ounces) | 218 grams (7.63 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.7" inches | 6.67" inches |
| Screen-to-body ratio | ~73.8% (screen-to-body ratio) | ~87.2% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 386 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 5 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| System version | Android 5.1.1 Lollipop | Android 10 |
| Firmware update | Android 6.0 Marshmallow | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Chipset | 32bit: Samsung Exynos 5 Octa 5430 (28nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | ARM Mali-T628 MP6 600Mhz | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| RAM memory | 2GB LPDDR3 | 12GB LPDDR5 |
| Internal storage | 32GB (25GB available) eMMC 5.0 | 512GB (485GB available) UFS 3.1 |
| External storage | Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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 | 150/50 Mbps | 2000/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 (Bands 3, 8, 28) TD-LTE (Bands 40) | LTE Cat20 (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (Bands 1, 3, 41, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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, SA/NSA |
| 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 | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Back camera (main camera) | 16 megapixels | (quad camera) 64 megapixels 8MP telephoto PDAFOIS3x-optical-zoom 13MP ultrawide 13mm 2MP depth |
| Main camera resolution | 4608x3456 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.9 (aperture) |
| Focal length | 31mm (lens) | 26mm (lens) |
| Sensor size | feature not registered | 1/1.72" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Front camera (secondary) | 5 megapixels | 20 megapixels |
| Front camera resolution | 2592x1944 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.2 (aperture) |
| Focal length | 23mm (lens) | 27mm (lens) |
| Sensor size | feature not registered | 1/3.4" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, MKV, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3050 mAh | 4700 mAh |
| Charger, watts | Wired charging | 33W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 17 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| 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, White, Gold • Samsung TouchWiz UX | • Colors: Grey, Purple, White, Blue • Display: 20:9, HDR10+, DCI-P3 100% • MIUI 11 • Motorized pop-up front camera • 24-bit/192kHz audio • Quick Charge 4+ • USB Power Delivery |
☢️ Radiation rate | ||
| Galaxy A8 Duos (SM-A800YZ) | Redmi K30 Pro Zoom (512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.91W/kg (head), 1.099W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.317W/kg (head), 0.546W/kg (body) | feature not registered |