Redmi K80 Ultra vs Xiaomi Redmi K20 (6GB RAM + 128GB)
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Overview
| Specs Score | 72 / 100 Better Specs | 50 / 100 |
| Display Size | 6.83 in Bigger Display | 6.39 in |
| Display Resolution | 1280 x 2772 pixels Better Resolution | 1080 x 2340 pixels |
| RAM | 12 GB More RAM | 6 GB |
| Storage | 256 GB More Storage | 128 GB |
| CPU Clock Speed | 3.63 GHz Faster Clock Speed | 2.2 GHz |
| Weight | 219 g | 191 g Lighter |
| Thickness | 8.2 mm Slimmer | 8.8 mm |
| Battery | 7410 mAh Bigger Battery | 4000 mAh |
| Unique Features | 5G No Water Resistant NFC IR Blaster | No 3.5mm Audio Jack No No No |
General
| Model | K80 Ultra | Redmi K20 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | June 26, 2025 | July 17, 2019 |
Design
| Dimensions | 77.9 x 163.1 x 8.2 mm | 74.3 x 156.7 x 8.8 mm |
| Weight | 219 g | 191 g |
| Colors | Gray, White, Blue, Green |
Display
| Type | Color OLED Screen (68.7 B) | Color Horizon (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.83 inches, 1280 x 2772 pixels, 144 Hz | 6.39 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 447 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 90.2% | ~ 91.9% |
| Glass Type | Scratch/drop-resistant glass | |
| Brightness | 1800 nits (HBM), 3200 nits (peak) | |
| HDR Support | Yes, HDR10+, Dolby Vision | |
| Features | Dolby Vision, HDR10+, HDR Vivid | Corning Gorilla Glass 5, Always On Display, Dark Mode, Reading Mode 2.0 |
| Notch | Yes, Punch Hole | No |
Memory
| RAM | 12 GB | 6 GB |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4.1 | |
| Card Slot | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n8/n28a/n38/n41/n77/n78 | |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.0 |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | 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, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Vibration moto,r Proximity, Ambient light, Electronic compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| Water Resistance | Yes, 2 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Extra Features | UFS2.1 |
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 | 48 MP ƒ/1.8 (Main) 13 MP ƒ/2.4 (Wide Angle) 8 MP ƒ/2.4 (Telephoto) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Triple camera zoom, PDAF Focus mode, Monochrome Dual Flash, Slow Motion | |
| Video Recording | 4K, 1080p | 1080p @ 120/30/60 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 20 MP ƒ/2.2 Popup |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| Front Camera Features | HDR | Drop Protection, Press Protection |
Technical
| OS | Android v15 | Android v9.0 (Pie), upgradable to v11 |
| Custom UI | MIUI 15 | |
| Chipset | Mediatek Dimensity 9400 Plus | Qualcomm Snapdragon 730 |
| CPU | 3.63 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 1xCortex-X925@3.63 GHz & 3xCortex-X4@3.3 GHz & 4xCortex-A720@2.4 GHz | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver |
| GPU | Immortalis-G925 | Adreno 618 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7410 mAh, Li-Po Battery | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast charging | Yes, 18W Fast Charging |
Discuss
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