iQOO Z9x (8GB RAM + 128GB) vs Vivo Y21 5G
Quick Comparison
iQOO Z9x (8GB RAM + 128GB) has better RAM than Vivo Y21 5G. In terms of display resolution, iQOO Z9x (8GB RAM + 128GB) has better resolution of 2408 x 1080 than Vivo Y21 5G which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | iQOO Z9x (8GB RAM + 128GB) | Vivo Y21 5G |
| RAM | 8 GB | 4 GB |
|---|---|---|
| Display | 6.72 in | 6.74 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 6500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 0.08 MP Dual |
| Price | Rs. 14999 | Rs. 20999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is April 24, 2024. The cost of iQOO Z9x (8GB RAM + 128GB) is Rs. 14999. The launch Date of the second phone is March 26, 2026. The cost of Vivo Y21 5G is Rs. 20999.
Display comparison
Vivo Y21 5G has larger screen size of 6.74 inches in comparison to iQOO Z9x (8GB RAM + 128GB)'s 6.72 inch screen. There is IPS Screen Type in both the phones. iQOO's phone has display density of 393 PPI & Vivo's phone has only 260 PPI display density. In terms of screen to body ratio, iQOO's phone has better screen to body ratio of ~ 86.4% than Vivo's phone ~ 85%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
iQOO Z9x (8GB RAM + 128GB)'s larger 8 GB RAM is better for playing games and all with respect to Vivo Y21 5G's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 50 MP + 2 MP Dual Rear Camera. iQOO Z9x (8GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Vivo Y21 5G's 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 16 version.
Related Comparisons
Full Comparison
| Name | iQOO Z9x (8GB RAM + 128GB) | Vivo Y21 5G |
| General | ||
| Country of Origin | India | India |
| Model | Z9x | Y21 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | April 24, 2024 | March 26, 2026 |
| Design | ||
| Dimensions | 76 x 165.7 x 7.99 mm | 77.1 x 167.4 x 8.4 mm |
| Weight | 199 g | 209 g |
| Bezel less | No | |
| Colors | Tornado Green, Storm Grey | Champagne Gold, Midnight Blue |
| Display | ||
| Type | Color IPS Screen (1B Colors) | Color IPS Screen |
| Touch | Yes | Yes |
| Size | 6.72 inches, 1080 x 2408 pixels, 120 Hz | 6.74 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 393 PPI | ~ 260 PPI |
| Screen to Body Ratio | ~ 86.4% | ~ 85% |
| Brightness | 1200 nits Peak Brightness | |
| Features | 1000 nits Local Peak Brightness, Low Blue Light Certification | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 4 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | eMMC 5.1 |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB | Yes |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77(3300-3800MHz)/n78 | n1/n3/n5/n8/n28B/n38/n40/n77/n78 |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11 a/b/g/n/ac), Dual Band | 2.4 GHz / 5 GHz |
| Bluetooth | Yes, v5.1, A2DP, LE, aptX HD | Yes |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BeiDou, GNSS, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient light Sensor, Proximity Sensor, E-compass, Fingerprint, Gyroscope sensor | Accelerometer, Proximity, Compass |
| 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 | IP64 | IP65 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual Stereo Speakers, Hi-Res Audio | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP |
| 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 | 4K, 1080p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.05 (Wide Angle) Punch Hole, Screen Flash | 5 MP ƒ/2.2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v14 | Android v16 |
| Custom UI | Funtouch OS 14 | OriginOS 6 |
| Chipset | Qualcomm Snapdragon 6 Gen1 | Mediatek Dimensity 6300 |
| CPU | 2.2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 1x Cortex-A710@2.4GHz & 3x Cortex-A710@2.36GHz& 4x Cortex-A510@1.8 GHz | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| GPU | Adreno 710 | Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, MIDI, OGG, FLAC, WMA, WAV, APE, MP3 | Yes |
| Video | MP4, 3GP, AVI | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-ion Battery | 6500 mAh, Li-ion Battery |
| Fast Charging | Yes, 44W Flash Charge | Yes, 44W Fast Charging |
| Reverse Charging | Yes | Yes |
| Talk Time | 36 hours | |
| Video Playback Time | 21 hours | |
| Music Playback Time | 71 hours | |