In depth comparison and review of Samsung Galaxy Z Fold4 and Xiaomi Redmi Note 12. 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 | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-F936B/DS | - | |
| Form Factor | Folder - touch screen, dual screen | Touch | |
| Height | 155.1 mm | 165.66 mm | Xiaomi Redmi Note 12 has greater height than Samsung Galaxy Z Fold4. |
| Width | 67.1 mm | 75.96 mm | Xiaomi Redmi Note 12 has greater width than Samsung Galaxy Z Fold4. |
| Depth | 15.8 mm | 7.85 mm | Xiaomi Redmi Note 12 is narrower than Samsung Galaxy Z Fold4. |
| Weight | 263 g | 183.5 g | Xiaomi Redmi Note 12 is lighter than Samsung Galaxy Z Fold4. |
| Dimensions Details | Folded - 67.1 mm x 15.8 mm x 155.1 mm Unfolded - 130.1 mm x 6.3 mm x 155.1 mm |
- | |
| Body Colour | Burgundy | Greygreen | Beige | Phantom black | Ice blue | Onyx grey | Mint green | |
| Body Material | Corning Gorilla Glass Victus, Armour Aluminium frame | - | |
| Protection | Water-resistant | Dustproof, splashproof | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy Z Fold4 is waterproof. |
| IP rating | IPX8 | IP53 | |
| Repairability Index | - | 7.5 (out of 10) | |
| SAR Value | 2.83 W/kg (limb), 1.506 W/kg (body), 1.301 W/kg (head) | 2.55 W/kg (limb), 0.9 W/kg (head), 0.995 W/kg (body) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Dynamic AMOLED 2X | AMOLED | |
| Foldable Display | Yes | - | |
| Display Design | Inward folding | - | |
| Screen Size (Display Size) | 7.6" | 6.67" | Samsung Galaxy Z Fold4 has larger screen size than Xiaomi Redmi Note 12. |
| Screen Resolution (Display Resolution) | 2176 x 1812 pixels | 2400 x 1080 pixels | Samsung Galaxy Z Fold4 has better screen resolution than Xiaomi Redmi Note 12. |
| Display Format | QXGA+ | Full HD+ | |
| Pixel Density | 374 ppi | 395 ppi | Xiaomi Redmi Note 12 has better pixel density than Samsung Galaxy Z Fold4. |
| Aspect Ratio | 21.6:18 | - | |
| Max Brightness | - | 1200 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 4500000:1 | |
| HDR | Yes | - | Samsung Galaxy Z Fold4 has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | 120 Hz | 120 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | AOD(Always On Display), Edge Lighting, Video Wallpaper | Sunlight Display, Reading mode, DCI-P3 Wide colour gamut, DotDisplay, E2 Pro | |
| Display Protection (Screen Protector) | Samsung Ultra Thin Glass | - |
| SECOND DISPLAY |
|---|
| Second Display Type | OLED display - colour | - | |
|---|---|---|---|
| Second Display Screen Size | 6.2" | - | |
| Second Display Resolution | 2316 x 904 pixels | - | |
| Second Display Colour Depth | 16.7 million colours | - |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | 7.6 in | - | |
|---|---|---|---|
| Unfolded Display Resolution | 2176 x 1812 pixels | - |
| PROCESSOR | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 8+ Gen 1 | Qualcomm Snapdragon 685 | |
|---|---|---|---|
| Processor Number | SM8475 | - | |
| Clock Speed | 3.18 GHz | 2.8 GHz | Samsung Galaxy Z Fold4 has higher clock speed than Xiaomi Redmi Note 12. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 610 |
| MEMORY | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| RAM | 12 GB | LPDDR4X SDRAM - 4 GB | Samsung Galaxy Z Fold4 has more RAM than Xiaomi Redmi Note 12. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 128 GB | Samsung Galaxy Z Fold4 has more internal memory than Xiaomi Redmi Note 12. |
| User Memory | 216.3 GB | - | |
| Memory Interface | UFS 3.1 | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 50 Megapixel | 50 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/2.76" | |
| Sensor Name | - | Samsung ISOCELL JN1 | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | 85 degree(s) | - | |
| Pixel Size | 1 μm | 0.64 μm | Samsung Galaxy Z Fold4 has larger camera pixel size than Xiaomi Redmi Note 12. |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Samsung Galaxy Z Fold4 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 12x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Face retouch, Grid Line, selfie colour tone | Bokeh effect | |
| HDR Mode | Super HDR | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, 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, Night view, Portrait, Night, Mountain, Filter mode, Single Take, Pro Video, Portrait video, Director's View, Capture View | Portrait mode | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy Z Fold4 has face detection. |
| Light Source | High CRI LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) 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, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 30 fps, 7680 x 4320 (8K UHD) at 24 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Playback zoom, Motion photo, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, AR sticker, Scene Optimiser, Flaw detection, AI Super Resolution, Shot suggestions, AR Emoji, HDR10+ recording, Super steady, Zoom-In Mic, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Capture View mode, Corning Gorilla Glass DX (protective lens glass), Auto FPS, AR Emoji Studio, Deco PIC, 30x Space Zoom, iDCG (Intra-scene Dual Conversion Gain), Super Night Solution | 4-in-1 to 1.28μm pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy Z Fold4 has better second camera resolution than Xiaomi Redmi Note 12. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Sensor Name (2nd Camera) | - | Omnivision OV08D sensor | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 123 degree(s) | 120 degree(s) | Samsung Galaxy Z Fold4 has larger second camera lens field of view than Xiaomi Redmi Note 12. |
| Pixel Size (2nd Camera) | 1.12 μm | 1.12 μm | Both phones have the same second camera pixel size. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 10 Megapixel | 2 Megapixel | Samsung Galaxy Z Fold4 has higher resolution third camera than Xiaomi Redmi Note 12. |
|---|---|---|---|
| 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. |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | 36 degree(s) | - | |
| Pixel Size (3rd Camera) | 1 μm | - | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 13 Megapixel | Xiaomi Redmi Note 12 has better front camera resolution than Samsung Galaxy Z Fold4. |
| Sensor Size (Front) | - | 1/3.0" | |
| Lens Aperture (Front) | F/2.2 | F/2.45 | Samsung Galaxy Z Fold4 has better front lens aperture than Samsung Galaxy Z Fold4. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 85 degree(s) | - | |
| Pixel Size (Front) | 1.22 μm | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 4 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/1.8 | - | |
| Field of View (2nd Front) | 80 degree(s) | - | |
| Pixel Size (2nd Front) | 2 μm | - | |
| Camera Features (2nd Front) | Under display camera | - |
| BATTERY AND CHARGING | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Battery Capacity (Battery Size) | 4400 mAh | 5000 mAh | Xiaomi Redmi Note 12 has larger battery capacity than Samsung Galaxy Z Fold4. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | Mi-FC fast charging technology | Both phones have fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy Z Fold4 can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Talk Time | 2340 minutes | 1860 minutes | Samsung Galaxy Z Fold4 has longer battery life when making calls than Xiaomi Redmi Note 12. |
| Run Time Details | Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (wireless video): up to 20 hrs Playback (wireless audio): up to 72 hrs Talk (4G): up to 2340 min |
Talk: up to 1860 min Gaming: up to 9 hrs Playback (video): up to 21 hrs |
| CELLULAR | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy Z Fold4 has more advanced generation mobile network. |
| Operating System | Android 12L | Android 13 | |
| User Interface | One UI 4.1.1 | MIUI 14 | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, LAA, 5G NR FR1 | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | 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, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n77, n78, n40, n25, n12 | - | |
| 5G NR Frequency | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.0 | |
| NFC | Yes | - | Samsung Galaxy Z Fold4 has NFC reader for mobile payments. |
| Ultra-Wideband (UWB) | Yes | - | Samsung Galaxy Z Fold4 has UWB wireless technology. |
| Modem | Snapdragon X65 5G | - |
| MEDIA | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Supported Digital Audio Standards | 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, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, Dolby Digital sound | - |
| FEATURES | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope | |
|---|---|---|---|
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Multitasking, Air View, MIMO technology, Screen Write, Smart Select, Samsung KNOX, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, dual battery, AR Doodle, PENUP, Flex mode, Multi Active Window, S Pen support, Multi View, Samsung Seamless Codec | Graphite cooling, IR blaster, coin vibration motor |
| OTHERS | Samsung Galaxy Z Fold4 | Xiaomi Redmi Note 12 |
|---|
| Included Accessories | SIM card removal tool, USB-C cable | 33W charger | |
|---|---|---|---|
| Compliant Standards | VDE, IPX8, IEC 61960 | IP53, SGS Eye Care Display Certification, SGS Seamless Pro 120Hz Certification, Netflix HD Certification | |
| Max Depth of Water Resistance | 1.5 m | - |
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