Xiaomi Redmi 8A (64GB) vs Samsung Galaxy A90 5G (SM-A908B)
Side by side comparison between Xiaomi Redmi 8A vs Samsung Galaxy A90 5G phones, differences, pros, cons and full specifications. What's the better?
,
6.2"
IPS
IPS
720x1520
12
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A90 5G (SM-A908B)
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!
7 Advantages 
26 Advantages | 24 Common items in both devices |
| Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +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 | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Model | Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) |
| Other model names | Xiaomi Redmi 8A M1908C3KG, M1908C3KE, M1908C3KC | Galaxy A90 SM-A908BZWABTU (6GB RAM) |
| Country or region available |   (Global, International), China |  (Europe), (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 9/1/2019 | 9/1/2019 |
| Depth | 9.4 millimeters (0.37 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 75.4 x 156.3 millimeters (2.97 x 6.15 in) | 76.4 x 164.8 millimeters (3.01 x 6.49 in) |
| Weight | 188 grams (6.58 ounces) | 206 grams (7.21 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.2" inches | 6.7" inches |
| Screen-to-body ratio | ~81.4% (screen-to-body ratio) | ~86.1% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 271 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 6 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 400nits[typ] | Not supported |
🤖 Operating System | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| System version | Android 9.0 Pie | Android 9.0 Pie |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Chipset | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) | 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) |
| GPU graphical controller | Qualcomm Adreno 505 650Mhz | Qualcomm Adreno 640 (585MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 458314 (v8) |
💽 Memory and storage | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| RAM memory | 4GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 64GB (51GB available) eMMC 5.1 | 128GB (106GB available) UFS 3.0 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-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 | CDMA 800 (China), GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Global, India version: UMTS 850/900/1900/2100 China version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5, 8) TD-LTE (Bands 40, 41) China version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | NSA/Sub6 (41, 78) |
| 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| 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 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Back camera (main camera) | 12 megapixels | (triple camera) 48 megapixels 8MP ultrawide f/2.212mm1/4"1.12µm 5MP depth f/2.2 |
| Main camera resolution | 4000x3000 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | 1/2.55" inches | 1/2" inches |
| Pixel size | 1.4µm 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 | Only digital 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Front camera (secondary) | 8 megapixels | 32 megapixels |
| Front camera resolution | 3264x2448 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 25mm (lens) |
| Sensor size | 1/4" inches | 1/2.8" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| 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, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4500 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 25W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 42 hours (1.8 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| Call control | Voice dialing, Voice recorder | 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: Midnight Black, Ocean Blue, Sunset Red • MIUI 11 • Sony IMX363 back camera sensor • Quick Charge 3.0 | • Colors: Black, White • One UI 3.1 • Always-on display • Samsung DeX • Dolby Atmos sound |
☢️ Radiation rate | ||
| Redmi 8A (64GB) | Galaxy A90 5G (SM-A908B) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.377W/kg (head), 1.547W/kg (body) |