Samsung Galaxy A3 Duos (SM-A3000) vs Xiaomi Redmi K30 (256GB)
Side by side comparison between Samsung Galaxy A3 vs Xiaomi Redmi K30 phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
540x960
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
1900
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi K30 (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!
4 Advantages 
28 Advantages | 24 Common items in both devices |
| Aluminum body, glass front / Aluminum frame, glass front/back |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| 4G LTE / 4G LTE-A |
| Capacitive |
| +17 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 A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Model | Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) |
| Other model names | Galaxy A3 (4G LTE) SM-A3000 Dual-Sim | Xiaomi Redmi K30 (256GB + 8GB RAM), M1912G7BC, M1912G7BE |
| Country or region available |   China, Hong Kong |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 11/1/2014 | 12/1/2019 |
| Depth | 6.9 millimeters (0.27 inches) | 8.79 millimeters (0.35 inches) |
| Size (width x height) | 65.5 x 130.1 millimeters (2.58 x 5.12 in) | 76.6 x 165.3 millimeters (3.02 x 6.51 in) |
| Weight | 110 grams (3.85 ounces) | 208 grams (7.28 ounces) |
| Build, materials | Aluminum body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 4.5" inches | 6.67" inches |
| Screen-to-body ratio | ~65.5% (screen-to-body ratio) | ~84.8% (screen-to-body ratio) |
| Display resolution | 540x960 pixels (16:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 245 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | HDR10 |
🤖 Operating System | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| System version | Android 4.4.4 KitKat | Android 10 |
| Firmware update | Android 6.0.1 Marshmallow | Android 11 |
| User Interface | TouchWiz UX | feature not registered |
⚙️ Processor | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm) | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (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 306 (450MHz) | Qualcomm Adreno 618 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| RAM memory | 1GB LPDDR2 | 8GB LPDDR4X |
| Internal storage | 16GB (12GB available) eMMC 4.5 | 256GB (230GB available) UFS 2.1 |
| External storage | Until 64GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| 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 (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 | 150/50 Mbps | 800/150 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 | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 7) TD-LTE (38, 39, 40, 41) | LTE Cat15/13 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, 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 |
| 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 A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Back camera (main camera) | 8 megapixels | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4.0"1.12µm 2MP macro f/2.41/5.0"1.75µm 2MP depth f/2.4 |
| Main camera resolution | 3264x2448 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.4 (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 | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital 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 A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Front camera (secondary) | 5 megapixels | (dual front camera) 20 megapixels 2MP depth f/2.41/5"1.75µm |
| Front camera resolution | 2592x1944 pixels | 5184x3840 pixels |
| Video recording (secondary) | WVGA (800x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (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 A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Loudspeaker | Mono sound (not stereo) | 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.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| 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 | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi 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, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1900 mAh | 4500 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | 27W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 12 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (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: Black, White, Blue, Silver, Pink, Gold • Java framework | • Colors: Blue, Red, Purple • MIUI 11, 12 • Game Turbo 2.0 • 24-bit/192kHz audio |
☢️ Radiation rate | ||
| Galaxy A3 Duos (SM-A3000) | Redmi K30 (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.695W/kg (head), 0.376W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.249W/kg (head), 0.318W/kg (body) | feature not registered |