Xiaomi Redmi K20 vs Vivo T4 Ultra
Quick Comparison
Vivo T4 Ultra has better RAM than Xiaomi Redmi K20. In terms of display resolution, Vivo T4 Ultra has better resolution of 2800 x 1260 than Xiaomi Redmi K20 which has resolution of 2340 x 1080. Vivo T4 Ultra has more internal memory than Xiaomi Redmi K20
| Name | Xiaomi Redmi K20 | Vivo T4 Ultra |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.39 in | 6.67 in |
| Internal Memory | 64 GB | 256 GB |
| Battery | 4000 mAh | 5500 mAh |
| Camera | 48 MP + 13 MP + 8 MP Triple | 50 MP + 50 MP + 8 MP Triple |
| Price | Rs. 15990 | Rs. 37250 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 17, 2019. The cost of Xiaomi Redmi K20 is Rs. 15990. The launch Date of the second phone is June 11, 2025. The cost of Vivo T4 Ultra is Rs. 37250.
Display comparison
Xiaomi Redmi K20 has screen size of 6.39 inches which falls short to Vivo T4 Ultra's 6.67 inch screen. There is AMOLED Screen Type in both the phones. Vivo's phone has display density of 460 PPI & Xiaomi's phone has only 403 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 91.9% than Vivo's phone ~ 89.2%. Xiaomi Redmi K20 has 19.5:9 aspect ratio where as Vivo T4 Ultra has 20:9 aspect ratio.
Memory comparison
Vivo T4 Ultra's larger 8 GB RAM is better for playing games and all with respect to Xiaomi Redmi K20's lower 6 GB RAM. Vivo T4 Ultra has more Internal Memory (256 GB) than Xiaomi Redmi K20 (64 GB).
Camera comparison
Vivo T4 Ultra's 50 MP + 50 MP + 8 MP Triple Rear Camera outshines Xiaomi Redmi K20's 48 MP + 13 MP + 8 MP Triple Rear Camera in terms of resolution. Vivo T4 Ultra will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Redmi K20's 20 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 9.0 and the second one on 15 version.
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Full Comparison
| Name | Xiaomi Redmi K20 | Vivo T4 Ultra |
| General | ||
| Country of Origin | India | |
| Model | Redmi K20 | V2504 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| 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 | July 17, 2019 | June 11, 2025 |
| In The Box | Handset, Eject Tool, Warranty Card, Quick Start Guide, Phone Case, Charger, USB Cable | |
| Design | ||
| Dimensions | 74.3 x 156.7 x 8.8 mm | 75.02 x 160.6 x 7.45 mm |
| Weight | 191 g | 192 g |
| Bezel less | Yes | |
| Colors | Phoenix Gold, Meteor Grey | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color AMOLED Screen (1.07 Billion) |
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate |
| Size | 6.39 inches, 1080 x 2340 pixels | 6.67 inches, 1260 x 2800 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 403 PPI | ~ 460 PPI |
| Screen to Body Ratio | ~ 91.9% | ~ 89.2% |
| Brightness | 1600 nits HBM (High Brightness Mode), 5000nits High Brightness Display | |
| Features | Corning Gorilla Glass 5, Always On Display, Dark Mode, Reading Mode 2.0 | P3 Wide Color Gamut Supported, Display HDR Technology Supported |
| Notch | No | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 6 GB | 8 GB |
| RAM Type | LPDDR5 | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 64 GB | 256 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 | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz/5 GHz, WiFi 6 Supported | |
| Bluetooth | Yes, v5.0 | Yes, v5.4, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| 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 | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Vibration moto,r Proximity, Ambient light, Electronic compass, Accelerometer, Gyroscope | Accelerometer, Color Temperature Sensor, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| 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 | 48 MP ƒ/1.8 (Main) 13 MP ƒ/2.4 (Wide Angle) 8 MP ƒ/2.4 (Telephoto) | 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) |
| Camera Sensor | Sony IMX 921 + Sony IMX882 3x Periscope | |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Triple camera zoom, PDAF Focus mode, Monochrome Dual Flash, Slow Motion | High Resolution, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Astro, Pro, Snapshot, Food, Night, Portrait, Photo, Video, Live Photo, Dual View |
| Video Recording | 1080p @ 120/30/60 fps FHD, 720p @ 30 fps HD | 4K, 1080p |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP ƒ/2.2 Popup | 32 MP ƒ/2.45 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | undefined |
| Technical | ||
| OS | Android v9.0 (Pie), upgradable to v11 | Android v15 |
| Custom UI | Funtouch OS 15 | |
| Chipset | Qualcomm Snapdragon 730 | Mediatek Dimensity 9300 Plus |
| CPU | 2.2 GHz, Octa Core Processor | 3.25 GHz, Octa Core Processor |
| Core Details | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 4xArm Cortex-X4@3.25GHz & 4xCortex-A720@2.0GHz |
| GPU | Adreno 618 | Immortalis-G720 MC12 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | AAC, WAV, MP3, MIDI, VORBIS, APE, FLAC |
| Video | Yes | MP4, 3GP, AVI, FLV, MKV, WEBM, TS, ASF |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 5500 mAh, Li-ion Battery |
| Fast Charging | Yes, 18W Fast Charging | Yes, 90W Fast Charging |
| Reverse Charging | Yes | |