Vivo T4 Ultra vs Xiaomi Redmi K20
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Overview
| Specs Score | 85 / 100 Better Specs | 74 / 100 |
| Display Resolution | 1260 x 2800 pixels Better Resolution | 1080 x 2340 pixels |
| RAM | 8 GB More RAM | 6 GB |
| Storage | 256 GB More Storage | 64 GB |
| CPU Clock Speed | 3.25 GHz Faster Clock Speed | 2.2 GHz |
| Front Camera | 32 MP Better Front Camera Resolution | 20 MP |
| Thickness | 7.45 mm Slimmer | 8.8 mm |
| Battery | 5500 mAh Bigger Battery | 4000 mAh |
| Unique Features | 5G No NFC Reverse Charging | No 3.5mm Audio Jack No No |
General
| Country of Origin | India | |
| Model | V2504 | Redmi K20 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano SIM |
| SAR | 0.99 W/kg (Head) 0.99 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | June 11, 2025 | July 17, 2019 |
| In The Box | Handset, Eject Tool, Warranty Card, Quick Start Guide, Phone Case, Charger, USB Cable |
Design
| Dimensions | 75.02 x 160.6 x 7.45 mm | 74.3 x 156.7 x 8.8 mm |
| Weight | 192 g | 191 g |
| Bezel less | Yes | |
| Colors | Phoenix Gold, Meteor Grey |
Display
| Type | Color AMOLED Screen (1.07 Billion) | Color AMOLED Screen (16M Colors) |
| Touch | Yes, 300 Hz Touch Sampling Rate | Yes |
| Size | 6.67 inches, 1260 x 2800 pixels, 120 Hz | 6.39 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 460 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 89.2% | ~ 91.9% |
| Brightness | 1600 nits HBM (High Brightness Mode), 5000nits High Brightness Display | |
| Features | P3 Wide Color Gamut Supported, Display HDR Technology Supported | Corning Gorilla Glass 5, Always On Display, Dark Mode, Reading Mode 2.0 |
| Notch | Yes, Punch Hole | No |
| Curved Display | Yes |
Memory
| RAM | 8 GB | 6 GB |
| RAM Type | LPDDR5 | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 64 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | No | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n7/n8/n18/n26/n28F/n38/n40/n41/n48/n66/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz/5 GHz, WiFi 6 Supported | |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| IR Blaster | No |
Performance
| AnTuTu Score | 1,854,128 (Total) (v10) 454,698 (CPU) 733,034 (GPU) 320,746 (Memory) 345,650 (UX) | |
| AnTuTu Storage Score | 153,416 | |
| Geekbench Score | 6,985 (Multi Core) (v6) 2,212 (Single Core) 14,440 (OpenCL) 15,067 (Vulkan) |
Extra
| GPS | GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Color Temperature Sensor, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope | Vibration moto,r Proximity, Ambient light, Electronic compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| AI Features | AI Note Assist: Smart layout: Summarize: Extract to-dos: Translate Circle to Search: Search any image, video, or text on your screen. Circle, highlight, scribble, or tap to pinpoint | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | UFS2.1 |
Camera
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) 23mm (wide), 1/1.56", PDAF, OIS 50 MP ƒ/2.6 (Telephoto) 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF (15cm - ∞), OIS, 3x optical zoom 8 MP ƒ/2.2 (Ultra Wide) | 48 MP ƒ/1.8 (Main) 13 MP ƒ/2.4 (Wide Angle) 8 MP ƒ/2.4 (Telephoto) |
| Camera Sensor | Sony IMX 921 + Sony IMX882 3x Periscope | |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | High Resolution, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Astro, Pro, Snapshot, Food, Night, Portrait, Photo, Video, Live Photo, Dual View | 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, LED | Yes, Dual LED |
| Front Camera | 32 MP ƒ/2.45 (Wide Angle) Punch Hole | 20 MP ƒ/2.2 Popup |
| Front Video Recording | undefined | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
Technical
| OS | Android v15 | Android v9.0 (Pie), upgradable to v11 |
| Custom UI | Funtouch OS 15 | |
| Chipset | Mediatek Dimensity 9300 Plus | Qualcomm Snapdragon 730 |
| CPU | 3.25 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 4xArm Cortex-X4@3.25GHz & 4xCortex-A720@2.0GHz | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver |
| GPU | Immortalis-G720 MC12 | Adreno 618 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | AAC, WAV, MP3, MIDI, VORBIS, APE, FLAC | Yes |
| Video | MP4, 3GP, AVI, FLV, MKV, WEBM, TS, ASF | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5500 mAh, Li-ion Battery | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 90W Fast Charging | Yes, 18W Fast Charging |
| Reverse Charging | Yes |
Discuss
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