Samsung Galaxy S21+ vs Xiaomi Redmi 9 (64GB NFC)
Side by side comparison between Samsung Galaxy S21+ Plus vs Xiaomi Redmi 9 phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
4800
mAh
mAh
(Non removable)
vs
6.53"
IPS
IPS
1080x2340
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21+
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!
19 Common items in both devices |
16 million |
LED flash |
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
HDR photo/video on both cameras / HDR photo on both cameras |
Capacitive |
Multitouch |
Accelerometer |
+12 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 S21+ | Redmi 9 (64GB NFC) | |
Change model | ||
Model | Galaxy S21+ | Redmi 9 (64GB NFC) |
Other model names | Galaxy S21 Plus 5G SM-G996B/DS | Xiaomi Redmi 9 (Global) M2004J19G |
Country or region available | (Global, International) | (Europe), (Global, International) |
Brand | Samsung | Xiaomi |
Release date | 1/29/2021, Announced: 1/14/2021 | 6/10/2020 |
Depth | 7.8 millimeters (0.31 inches) | 9.1 millimeters (0.36 inches) |
Size (width x height) | 75.6 x 161.5 millimeters (2.98 x 6.36 in) | 77.01 x 163.32 millimeters (3.03 x 6.43 in) |
Weight | 200 grams (7 ounces) | 198 grams (6.93 ounces) |
Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Display type | Dynamic AMOLED | TFT IPS LCD |
Screen size | 6.7" inches | 6.53" inches |
Screen-to-body ratio | ~88.8% (screen-to-body ratio) | ~83.2% (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) | 393 PPI | 395 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 3 |
Refresh rate | 120Hz | 60Hz |
Display features | 1300nits[peak] HDR10+ Always-On Display | 400nits[typ] |
🤖 Operating System | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
System version | Android 11 | Android 10 |
Firmware update | Android 14 | Android 11 |
User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | MIUI 12 |
⚙️ Processor | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Chipset | 64bit: Samsung Exynos 2100 (5nm) | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) |
CPU | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) |
GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | ARM Mali-G52 MC2 (950MHz) |
Performance (benchmark) | AnTuTu: 622276 (v8) Geekbench: 3476 (v5.1) GFXBench: 54fps (ES 3.1 onscreen) | AnTuTu: 201829 (v8) Geekbench: 1325 (v5.1) |
💽 Memory and storage | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
RAM memory | 8GB LPDDR5 | 4GB LPDDR4X |
Internal storage | 128GB (104GB available) UFS 3.1 | 64GB (49GB available) eMMC 5.1 |
External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 5000/1920 Mbps | 300/50 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
Primary 5G network | SA/NSA/Sub6 () | 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, SA/NSA, Sub6 | GPRS, EDGE, UMTS, 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 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
📷 Camera | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Back camera (main camera) | (triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady-video | (quad camera) 13 megapixels 8MP ultrawide f/2.2118°1/4.0"1.12µm 5MP macro f/2.4 2MP depth f/2.4 |
Main camera resolution | 4032x3024 pixels | 4128x3096 pixels |
Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
Focal length | 26mm lens | 28mm lens |
Sensor size | 1/1.76" inches | 1/3.1" inches |
Pixel size | 1.8µm pixel | 1.12µm pixel |
Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | OIS: Optical 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 | Supported | Not supported |
HDR | HDR photo/video on both cameras | HDR photo on both cameras |
Camera extras | 4K@60fps 1080p@240fps 720p@960fps | feature not registered |
📸 Front camera | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Front camera (secondary) | 10 megapixels | 8 megapixels |
Front camera resolution | 3872x2592 pixels | 3264x2448 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | 27mm lens |
Sensor size | 1/3.24" inches | 1/4" inches |
Pixel size | 1.22µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Mono sound (not stereo) |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | 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, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
USB | USB 3.2 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) | USB Type-C (reversible) |
Bluetooth | 5.0 + 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 | Supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
NFC | Supported | Supported |
Infrared port | Not supported | Supported |
🧭 Sensors | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 4800 mAh | 5020 mAh |
Charger, watts | 25W Wired fast charging USB Power Delivery 3.0 | 18W Wired fast charging |
Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | Not supported |
Talk time autonomy | feature not registered | 31 hours (1.3 days) |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
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: Phantom Black, Silver, Gold, Red, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX | • Colors: Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue • 10W charger included |
☢️ Radiation rate | ||
Galaxy S21+ | Redmi 9 (64GB NFC) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.913W/kg (head), 0.999W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.541W/kg (head), 1.335W/kg (body) | 0.711W/kg (head), 1.059W/kg (body) |