Xiaomi Redmi Note 9 Pro (128GB) vs Samsung Galaxy S21
Side by side comparison between Xiaomi Redmi Note 9 Pro vs Samsung Galaxy S21 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
IPS
IPS
1080x2400
64
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
4000
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!
22 Common items in both devices |
128GB (106GB available) / 128GB (104GB available) |
16 million |
1080x2400 pixels |
LED flash |
PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
HDR photo on both cameras / HDR photo/video on both cameras |
Capacitive |
+15 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 Note 9 Pro (128GB) | Galaxy S21 | |
Model | Redmi Note 9 Pro (128GB) | Galaxy S21 |
Other model names | Xiaomi Note 9 Pro (M2003J6B2G Global version) 6GB RAM | Galaxy S21 5G SM-G991B/DS |
Country or region available | (Global, International) | (Global, International) |
Brand | Xiaomi | Samsung |
Release date | 5/5/2020, Announced: 4/30/2020 | 1/29/2021, Announced: 1/14/2021 |
Depth | 8.8 millimeters (0.35 inches) | 7.9 millimeters (0.31 inches) |
Size (width x height) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) | 71.2 x 151.7 millimeters (2.8 x 5.97 in) |
Weight | 209 grams (7.32 ounces) | 169 grams (5.92 ounces) |
Build, materials | Plastic body, glass front/back | Aluminum body, glass front, plastic back |
Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Display type | TFT IPS LCD | Dynamic AMOLED |
Screen size | 6.67" inches | 6.2" inches |
Screen-to-body ratio | ~84.5% (screen-to-body ratio) | ~85.9% (screen-to-body ratio) |
Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 395 PPI | 424 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass Victus |
Refresh rate | 60Hz | 120Hz |
Display features | 450nits[typ] | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
System version | Android 10 | Android 11 |
Firmware update | Android 11 | Android 14 |
User Interface | MIUI 11 / 12 | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Chipset | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) | 64bit: Samsung Exynos 2100 (5nm) |
CPU | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) | 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) |
GPU graphical controller | Qualcomm Adreno 618 (750MHz) | ARM Mali-G78 MP14 (854MHz) |
Performance (benchmark) | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
RAM memory | 6GB LPDDR4X | 8GB LPDDR5 |
Internal storage | 128GB (106GB available) UFS 2.1 | 128GB (104GB available) UFS 3.1 |
External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated 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) + e-SIM |
Maximum Download / Upload | 800/150 Mbps | 5000/1920 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 800/1900, GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | LTE Cat24 () TD-LTE () VoLTE |
Primary 5G network | Not supported | SA/NSA/Sub6 () |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 |
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 Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | LTE Cat24 () TD-LTE () VoLTE |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Back camera (main camera) | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 | (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 |
Main camera resolution | 10120x6328 pixels | 4032x3024 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
Focal length | 26mm lens | 26mm lens |
Sensor size | 1/1.72" inches | 1/1.76" inches |
Pixel size | 0.8µm pixel | 1.8µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
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 | Supported | Supported |
HDR | HDR photo on both cameras | HDR photo/video on both cameras |
Camera extras | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Front camera (secondary) | 16 megapixels | 10 megapixels |
Front camera resolution | 4608x3456 pixels | 3872x2592 pixels |
Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.5 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | 1/3.06" inches | 1/3.24" inches |
Pixel size | 1µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Loudspeaker | Mono sound (not stereo) | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
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 | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | Type-C reversible connector |
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 [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 | Not supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Supported | Supported |
Infrared port | Supported | Not supported |
🧭 Sensors | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 5020 mAh | 4000 mAh |
Charger, watts | 30W Wired fast charging | 25W Wired fast charging USB Power Delivery 3.0 |
Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
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: Tropical Green, Glacier White, Interstellar Gray • 33W charger (30W phone support) | • Colors: Phantom Gray, White, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX |
☢️ Radiation rate | ||
Redmi Note 9 Pro (128GB) | Galaxy S21 | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.87W/kg (head), 0.71W/kg (body) | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | 0.66W/kg (head), 1.02W/kg (body) | 0.456W/kg (head), 1.509W/kg (body) |