Vivo Y21 5G vs iQOO Z9x (8GB RAM + 128GB)
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Overview
| Specs Score | 58 / 100 | 59 / 100 Better Specs |
| Display Resolution | 720 x 1600 pixels | 1080 x 2408 pixels Better Resolution |
| RAM | 4 GB | 8 GB More RAM |
| CPU Clock Speed | 2.4 GHz Faster Clock Speed | 2.2 GHz |
| Front Camera | 5 MP | 8 MP Better Front Camera Resolution |
| Weight | 209 g | 199 g Lighter |
| Thickness | 8.4 mm | 7.99 mm Slimmer |
| Battery | 6500 mAh Bigger Battery | 6000 mAh |
| Unique Features | NFC IR Blaster | No No |
General
| Country of Origin | India | India |
| Model | Y21 5G | Z9x |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 26, 2026 | April 24, 2024 |
Design
| Dimensions | 77.1 x 167.4 x 8.4 mm | 76 x 165.7 x 7.99 mm |
| Weight | 209 g | 199 g |
| Bezel less | No | |
| Colors | Champagne Gold, Midnight Blue | Tornado Green, Storm Grey |
Display
| Type | Color IPS Screen | Color IPS Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.74 inches, 720 x 1600 pixels, 120 Hz | 6.72 inches, 1080 x 2408 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 260 PPI | ~ 393 PPI |
| Screen to Body Ratio | ~ 85% | ~ 86.4% |
| Brightness | 1200 nits Peak Brightness | |
| Features | 1000 nits Local Peak Brightness, Low Blue Light Certification | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
Memory
| RAM | 4 GB | 8 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | UFS 2.2 |
| Card Slot | Yes | Yes, (Hybrid Slot), upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n38/n40/n77/n78 | n1/n3/n5/n8/n28B/n40/n77(3300-3800MHz)/n78 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz / 5 GHz | Wi-Fi 5 (802.11 a/b/g/n/ac), Dual Band |
| Bluetooth | Yes | Yes, v5.1, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BeiDou, GNSS, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Accelerometer, Ambient light Sensor, Proximity Sensor, E-compass, Fingerprint, Gyroscope sensor |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | |
| AI Features | AI Creation, AI Photo Enhance, AI Documents, AI Screen Translation, Circle to Search | |
| Water Resistance | Yes | Yes |
| IP Rating | IP65 | IP64 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual Stereo Speakers, Hi-Res Audio |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Night, Portrait, Photo, Video, 50 MP, Panorama, Slo-mo, Time-lapse, Pro, Live photo, Documents | Front: Portrait, Photo, Video, Live Photo | |
| Video Recording | 1080p @ 30 fps FHD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 (Wide Angle) | 8 MP ƒ/2.05 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Front Camera Features | Photo, Night, Portrait, Video, Live Photo | Night Scene, Portrait, Dynamic Photo, AR Cute Shooting, Double Exposure, Dual-view Video |
Technical
| OS | Android v16 | Android v14 |
| Custom UI | OriginOS 6 | Funtouch OS 14 |
| Chipset | Mediatek Dimensity 6300 | Qualcomm Snapdragon 6 Gen1 |
| CPU | 2.4 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 1x Cortex-A710@2.4GHz & 3x Cortex-A710@2.36GHz& 4x Cortex-A510@1.8 GHz |
| GPU | Mali-G57 MC2 | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | AAC, MIDI, OGG, FLAC, WMA, WAV, APE, MP3 |
| Video | Yes | MP4, 3GP, AVI |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh, Li-ion Battery | 6000 mAh, Li-ion Battery |
| Fast Charging | Yes, 44W Fast Charging | Yes, 44W Flash Charge |
| Reverse Charging | Yes | Yes |
| Talk Time | 36 hours | |
| Video Playback Time | 21 hours | |
| Music Playback Time | 71 hours |
Discuss
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