Samsung Galaxy Z Fold 3 (SM-F926B 256GB) vs Xiaomi Redmi Note 9S (128GB)
Side by side comparison between Samsung Galaxy Z Fold 3 vs Xiaomi Redmi Note 9S phones, differences, pros, cons and full specifications. What's the better?
,
7.6"
AMOLED
AMOLED
1768x2208
12.2
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4400
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Fold 3 (SM-F926B 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!
30 Advantages 
9 Advantages | 18 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| f/1.8 (aperture) |
| 4K UHD (3840x2160) |
| Capacitive |
| +11 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 Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| Model | Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) |
| Other model names | Galaxy Fold3 5G (SM-F926B/DS) | Xiaomi Note 9S (M2003J6A1G Global version) 6GB RAM |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 8/27/2021, Announced: 8/11/2021 | 4/30/2020, Announced: 3/23/2020 |
| Depth | 6.4 millimeters (0.25 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 128.1 x 158.2 millimeters (5.04 x 6.23 in) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) |
| Weight | 271 grams (9.49 ounces) | 209 grams (7.32 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus | Plastic body, glass front/back |
| Protection against water and others | IPX8 certified: water resistant up to 1.5 meters and 30min | P2i certified: water repellent nano-coating |
📲 Display | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| Display type | Dynamic AMOLED | TFT IPS LCD |
| Screen size | 7.6" inches | 6.67" inches |
| Screen-to-body ratio | ~89.7% (screen-to-body ratio) | ~84.5% (screen-to-body ratio) |
| Display resolution | 1768x2208 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 372 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1200nits[peak] HDR10+ Always-On Display Extra display: Dynamic AMOLED 2X 6.2" (832x2268), 120Hz, Gorilla Glass Victus | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| 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 11 / 12 |
⚙️ Processor | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | Qualcomm Adreno 618 (750MHz) |
| Performance (benchmark) | AnTuTu: 635918 (v8), 752218 (v9) Geekbench: 3239 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| RAM memory | 12GB LPDDR5 | 6GB LPDDR4X |
| Internal storage | 256GB (220GB available) UFS 3.1 | 128GB (106GB available) UFS 2.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| 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 | 3000/1024 Mbps | 800/150 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, 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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| Back camera (main camera) | (triple camera) 12.2 megapixels 12MP telephoto f/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom 12MP ultrawide f/2.2123°12mm1.12µm | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 |
| Main camera resolution | 4032x3024 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 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 | 1/1.76" inches | 1/2" inches |
| Pixel size | 1.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | 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 | Supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) Extra cover camera: 4MP (f/1.8 2.0µm) | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) |
📸 Front camera | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| Front camera (secondary) | 10 megapixels | 16 megapixels |
| Front camera resolution | 3872x2592 pixels | 4608x3456 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.5 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3" inches | 1/3.06" inches |
| Pixel size | 1.22µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| 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 | 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 | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| 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 | 5.2 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + 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, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4400 mAh | 5020 mAh |
| Charger, watts | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 18W Wired fast charging |
| Inductive / wireless charging | 11W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging | Not supported |
| Talk time autonomy | 34 hours (1.4 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| 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, Green • S Pen (Stylus Pen) • Samsung DeX • Samsung Pay | • Colors: Aurora Blue, Glacier White, Interstellar Black |
☢️ Radiation rate | ||
| Galaxy Z Fold 3 (SM-F926B 256GB) | Redmi Note 9S (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.23W/kg (head), 1.23W/kg (body) | 0.96W/kg (head), 0.4W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 1.036W/kg (head), 1.443W/kg (body) | 0.72W/kg (head), 0.98W/kg (body) |