Redmi K80 Ultra vs Samsung Galaxy Z Fold 4 (12GB RAM + 512GB)
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Overview
| Specs Score | 72 / 100 | 83 / 100 Better Specs |
| Display Size | 6.83 in | 7.6 in Bigger Display |
| Display Resolution | 1280 x 2772 pixels | 1812 x 2176 pixels Better Resolution |
| Storage | 256 GB | 512 GB More Storage |
| CPU Clock Speed | 3.63 GHz Faster Clock Speed | 3.2 GHz |
| Front Camera | 20 MP Better Front Camera Resolution | 10 MP + 4 MP Dual |
| Weight | 219 g Lighter | 263 g |
| Thickness | 8.2 mm | 6.3 mm Slimmer |
| Battery | 7410 mAh Bigger Battery | 4400 mAh |
| Unique Features | No No IR Blaster | Wireless Charging Reverse Charging No |
General
| Model | K80 Ultra | Z Fold 4 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano + eSim |
| Device Type | Smartphone | Smartphone |
| Release Date | June 26, 2025 | August 10, 2022 |
Design
| Dimensions | 77.9 x 163.1 x 8.2 mm | 130.1 x 155.1 x 6.3 mm |
| Weight | 219 g | 263 g |
| Colors | Gray, White, Blue, Green |
Display
| Type | Color OLED Screen (68.7 B) | Color Dynamic AMOLED 2X (1B) |
| Touch | Yes | Yes |
| Size | 6.83 inches, 1280 x 2772 pixels, 144 Hz | 7.6 inches, 1812 x 2176 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 21.6:18 |
| PPI | ~ 447 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 90.2% | ~ 90.9% |
| Glass Type | Scratch/drop-resistant glass | Corning Gorilla Glass Victus Plus |
| Brightness | 1800 nits (HBM), 3200 nits (peak) | |
| HDR Support | Yes, HDR10+, Dolby Vision | Yes, HDR10+ |
| Features | Dolby Vision, HDR10+, HDR Vivid | Infinity Flex Display, HDR10+, 1200 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Foldable Display | Yes | |
| Dual Display | Yes, Dynamic AMOLED 2X, 6.2 inches, 904 x 2316 pixels, 387 PPI, 23.1:9 Aspect Ratio |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4.1 | UFS 3.1 |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28a/n38/n41/n77/n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.2, A2DP, LE, aptX HD |
| USB | Yes, USB-C | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | Yes, with A-GPS, Galileo, Glonass, BeiDou |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor, Proximity sensor, Light sensor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 2 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IPX8 |
| Dust Resistant | Yes |
Camera
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP (Ultra Wide) 119˚ (ultrawide), 1/4.0", 1.12µm | 50 MP ƒ/1.8 (Wide Angle) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | |
| Video Recording | 4K, 1080p | 8K, 4K, 1080p |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 10 MP ƒ/2.2 (Main) 4 MP ƒ/1.8 Under-display Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 4K, 1080p |
Technical
| OS | Android v15 | Android v12 |
| Custom UI | MIUI 15 | |
| Chipset | Mediatek Dimensity 9400 Plus | Qualcomm Snapdragon 8+ Gen1 |
| CPU | 3.63 GHz, Octa Core Processor | 3.2 GHz, Octa Core Processor |
| Core Details | 1xCortex-X925@3.63 GHz & 3xCortex-X4@3.3 GHz & 4xCortex-A720@2.4 GHz | 1x Cortex-X2@3.19 GHz & 3x Cortex-A710@2.75 GHz & 4xCortex-A510@1.8 GHz |
| GPU | Immortalis-G925 | Adreno 730 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF |
| Video | Yes | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7410 mAh, Li-Po Battery | 4400 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W |
Discuss
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