In depth comparison and review of Xiaomi Redmi Note 9S and Samsung Galaxy Z Fold2 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-F916B | |
| Form Factor | Touch | Folder - touch screen, dual screen | |
| Height | 165.75 mm | 159.2 mm | Xiaomi Redmi Note 9S has greater height than Samsung Galaxy Z Fold2 5G. |
| Width | 76.68 mm | 68 mm | Xiaomi Redmi Note 9S has greater width than Samsung Galaxy Z Fold2 5G. |
| Depth | 8.8 mm | 16.8 mm | Xiaomi Redmi Note 9S is narrower than Xiaomi Redmi Note 9S. |
| Weight | 209 g | 282 g | Xiaomi Redmi Note 9S is lighter than Xiaomi Redmi Note 9S. |
| Dimensions Details | - | Folded - 68 mm x 16.8 mm x 159.2 mm Unfolded - 128.2 mm x 6.9 mm x 159.2 mm |
|
| Body Colour | Aurora blue | Thom Browne Gray | Mystic black, metallic blue hinge | Mystic bronze, metallic blue hinge | Mystic black, metallic gold hinge | Mystic bronze, metallic gold hinge | Mystic black, metallic red hinge | Mystic bronze, metallic red hinge | Mystic black, metallic silver hinge | Mystic bronze, metallic silver hinge | Mystic black | Mystic bronze | |
| Body Material | Curved 3D glass, Gorilla glass 5 | Gorilla glass 6 | |
| Protection | Dustproof, splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb) | 0.291 W/kg (head, LTE), 0.859 W/kg (head, 5G), 1.453 W/kg (body) | |
| Integrated Components | Ultra-linear speakers | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | Infinity Flex Dynamic AMOLED 2X | |
| Foldable Display | - | Yes | |
| Display Design | - | Inward folding | |
| Screen Size (Display Size) | 6.67" | 7.6" | Samsung Galaxy Z Fold2 5G has larger screen size than Xiaomi Redmi Note 9S. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2208 x 1768 pixels | Samsung Galaxy Z Fold2 5G has better screen resolution than Xiaomi Redmi Note 9S. |
| Display Format | Full HD+ | QXGA+ | |
| Pixel Density | - | 373 ppi | |
| Aspect Ratio | - | 22.5:18 | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1500:1 | - | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Reading mode 2.0, Dot Display | Flex screen | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Samsung Ultra Thin Glass, Corning Gorilla Glass Victus (scratch resistant glass) |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 6.2" | |
| Second Display Resolution | - | 2260 x 816 pixels | |
| Second Display Colour Depth | - | 16.7 million colours |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | - | 7.6 in | |
|---|---|---|---|
| Unfolded Display Resolution | - | 2208 x 1768 pixels |
| PROCESSOR | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 720G | - | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 3.09 GHz | Samsung Galaxy Z Fold2 5G has higher clock speed than Xiaomi Redmi Note 9S. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi Note 9S has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 618 | - |
| MEMORY | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| RAM | 4 GB | 12 GB | Samsung Galaxy Z Fold2 5G has more RAM than Xiaomi Redmi Note 9S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | Samsung Galaxy Z Fold2 5G has more internal memory than Xiaomi Redmi Note 9S. |
| User Memory | - | 220.6 GB | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 12 Megapixel | Xiaomi Redmi Note 9S has better camera resolution than Samsung Galaxy Z Fold2 5G. |
| Sensor Size | 1/2" | - | |
| Lens Type | - | Ultra wide-angle lens | |
| Lens Aperture | F/1.79 | F/2.2 | Xiaomi Redmi Note 9S has better lens aperture than Xiaomi Redmi Note 9S. |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | 79 degree(s) | 123 degree(s) | Samsung Galaxy Z Fold2 5G has larger lens field of view than Xiaomi Redmi Note 9S. |
| Pixel Size | 0.8 μm | 1.12 μm | Samsung Galaxy Z Fold2 5G has larger camera pixel size than Xiaomi Redmi Note 9S. |
| Optical Image Stabiliser (OIS) | - | Dual OIS (Optical Image Stabilisation) | Samsung Galaxy Z Fold2 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Self-Timer Delay | - | Yes | |
| Special Effects | HDR, Kaleidoscope | HDR, Grid Line, Motion photos | |
| Camera Modes | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | Panorama, Slow motion mode, Pro mode, selfie mode, HYPERLAPSE, Live Focus mode, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Night, Mountain, Single Take, Pro Video, NIGHT HYPERLAPSE | |
| Face Recognition (Face ID) | Face recognition | Face detection | Both phones have face detection. |
| Light Source | Dual LED flash | High CRI LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | |
| Camera Features (Functions) | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark | Quick Launch, Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Lens smudge, Full view, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady, Zoom-In Mic, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Flex mode, Capture View mode |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 12 Megapixel | Samsung Galaxy Z Fold2 5G has better second camera resolution than Xiaomi Redmi Note 9S. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/1.8 | Samsung Galaxy Z Fold2 5G has better second camera lens aperture than Xiaomi Redmi Note 9S. |
| Field of View (2nd Camera) | 119 degree(s) | 83 degree(s) | Xiaomi Redmi Note 9S has larger second camera lens field of view than Samsung Galaxy Z Fold2 5G. |
| Pixel Size (2nd Camera) | 1.12 μm | 1.8 μm | Samsung Galaxy Z Fold2 5G has larger second camera pixel size than Xiaomi Redmi Note 9S. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy Z Fold2 5G has optical stabilisation of the second camera. |
| Camera Features (2nd Camera) | - | Super Speed Dual Pixel AF |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 12 Megapixel | Samsung Galaxy Z Fold2 5G has higher resolution third camera than Xiaomi Redmi Note 9S. |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Field of View (3rd Camera) | - | 45 degree(s) | |
| Pixel Size (3rd Camera) | 1.12 μm | 1 μm | Xiaomi Redmi Note 9S has larger third camera pixel size than Samsung Galaxy Z Fold2 5G. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy Z Fold2 5G has optical stabilisation of the third camera. |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | AF (2cm-10cm) | Phase Detect Auto-Focus (PDAF) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 10 Megapixel | Xiaomi Redmi Note 9S has better front camera resolution than Samsung Galaxy Z Fold2 5G. |
| Lens Aperture (Front) | F/2.48 | F/2.2 | Samsung Galaxy Z Fold2 5G has better front lens aperture than Xiaomi Redmi Note 9S. |
| Field of View (Front) | - | 80 degree(s) | |
| Pixel Size (Front) | 1 μm | 1.22 μm | Samsung Galaxy Z Fold2 5G has larger front camera pixel size than Xiaomi Redmi Note 9S. |
| Special Effects (Front) | HDR | HDR, Grid Line | |
| Camera Modes (Front) | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9S has face detection. |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | AI scene detection, Palm shutter, AI silhouette detection | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | - | 10 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Front) | - | F/2.2 | |
| Field of View (2nd Front) | - | 80 degree(s) | |
| Pixel Size (2nd Front) | - | 1.22 μm |
| BATTERY AND CHARGING | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 4500 mAh | Xiaomi Redmi Note 9S has larger battery capacity than Samsung Galaxy Z Fold2 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 2.0, Samsung Super Fast Charging | Samsung Galaxy Z Fold2 5G has fast charging technology. |
| Wireless Charging | - | Yes | Samsung Galaxy Z Fold2 5G can be charged wirelessly. |
| Wireless Charging Standards | - | WPC, PMA, Qi, Fast Wireless Charging, Wireless PowerShare | |
| Talk Time | 1980 minutes | 1860 minutes | Xiaomi Redmi Note 9S has longer battery life when making calls than Samsung Galaxy Z Fold2 5G. |
| Run Time Details | Talk: up to 1980 min Gaming: up to 13 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
Active online usage (LTE): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (wireless video): up to 18 hrs Playback (wireless audio): up to 83 hrs Talk (4G): up to 1860 min |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy Z Fold2 5G has more advanced generation mobile network. |
| Operating System | - | Android 10 | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | Google Pay | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, LAA, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n28, n41, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy Z Fold2 5G has NFC reader for mobile payments. |
| Ultra-Wideband (UWB) | - | Yes | Samsung Galaxy Z Fold2 5G has UWB wireless technology. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), MP4 | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, M4V, MP4 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | |
| Audio Amplifier | Smart PA | - |
| FEATURES | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
| Security Technology | A.I. face recognition | - | |
| Additional Phone Features | Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor | Multitasking, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, dual battery, Flex mode, Multi Active Window, Bluetooth Scalable Codec, Hinge CAM technology, App Pair, Split Screen Capture |
| OTHERS | Xiaomi Redmi Note 9S | Samsung Galaxy Z Fold2 5G |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, 18W charger | Power adapter, SIM card removal tool, USB-C cable, protective case, Samsung Galaxy Buds Live | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | VDE, SGS Eye Care Display Certification |
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