Xiaomi Black Shark 4S Pro (256GB/8GB) vs Xiaomi Redmi Note 9 (128GB/4GB)
Side by side comparison between Xiaomi Black Shark 4S Pro vs Xiaomi Redmi Note 9 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
6.53"
IPS
IPS
1080x2340
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Black Shark 4S Pro (256GB/8GB)
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!
23 Advantages 
7 Advantages | 29 Common items in both devices |
| 16 million |
| 395 PPI |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| BSI sensor |
| +22 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 | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Model | Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) |
| Other model names | Black Shark 4S Pro (256GB+8GB RAM), 黑鲨4S Pro | Mi Redmi Note 9 CX296VRD, CX296CIN, M2003J15SS/2003J15SC |
| Country or region available |  (Global, International) |    Brazil, China, India |
| Brand | Xiaomi | Xiaomi |
| Release date | 10/16/2021, Announced: 10/13/2021 | 5/12/2020, Announced: 4/30/2020 |
| Depth | 9.9 millimeters (0.39 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 76.21 x 163.69 millimeters (3 x 6.44 in) | 77.2 x 162.3 millimeters (3.04 x 6.39 in) |
| Weight | 220 grams (7.7 ounces) | 199 grams (6.97 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.67" inches | 6.53" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) | ~83.5% (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) | 395 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 144Hz | 60Hz |
| Display features | 1300nits[peak] HDR10+ Always-On Display Touch Sampling Rate: 720Hz | 450nits[typ] |
🤖 Operating System | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| System version | Android 11 | Android 10 |
| Firmware update | Android 12 | Android 11 |
| User Interface | Joy UI 12 / 13 | MIUI 11 / 12 |
⚙️ Processor | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 888+ (SM8350-AC) (5nm) | 64bit: MediaTek Helio G85 (12nm) |
| CPU | Octa-core, 3 processors: 1x 3GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | ARM Mali-G52 MC2 (1GHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1) |
💽 Memory and storage | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| RAM memory | 8GB LPDDR5 | 4GB LPDDR4X |
| Internal storage | 256GB (221GB available) UFS 3.1 | 128GB (106GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| 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) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 300/150 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, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | SA/NSA (1, 3, 8, 28, 41, 77, 78, 79) | 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 | 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 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE | LTE Cat7 (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+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 5MP macro f/2.4AF | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm118° 2MP macro f/2.41.75µmAF 2MP depth f/2.41/5"1.7µm |
| Main camera resolution | 10120x6328 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/1.97" inches | 1/2" inches |
| Pixel size | 0.7µm 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 | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) | feature not registered |
📸 Front camera | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Front camera (secondary) | 20 megapixels | 13 megapixels |
| Front camera resolution | 5184x3840 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.3 (aperture) |
| Focal length | feature not registered | 29mm (lens) |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | 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 | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 5020 mAh |
| Charger, watts | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 18W Wired fast charging 9W Reverse charging by cable |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 33 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| 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 • Liquid Cooling System • Physical pop-up gaming triggers | • Colors: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support) |
☢️ Radiation rate | ||
| Xiaomi Black Shark 4S Pro (256GB/8GB) | Redmi Note 9 (128GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.84W/kg (head), 0.9W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.8W/kg (head), 1.14W/kg (body) |