iQOO Z9x (8GB RAM + 128GB) has better RAM than Vivo Y31 (6GB RAM + 128GB). Both have the same amount of internal memory.
| Name | Vivo Y31 (6GB RAM + 128GB) | iQOO Z9x (8GB RAM + 128GB) |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.58 in | 6.72 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 6000 mAh |
| Camera | 48 MP + 2 MP + 2 MP Triple | 50 MP + 2 MP Dual |
| Price | Rs. 20490 | Rs. 14999 |
The launch Date of the first phone is January 20, 2021. The cost of Vivo Y31 (6GB RAM + 128GB) is Rs. 20490. The launch Date of the second phone is April 24, 2024. The cost of iQOO Z9x (8GB RAM + 128GB) is Rs. 14999.
Vivo Y31 (6GB RAM + 128GB) has screen size of 6.58 inches which falls short to iQOO Z9x (8GB RAM + 128GB)'s 6.72 inch screen. Vivo Y31 (6GB RAM + 128GB) has IPS LCD Screen type where as iQOO Z9x (8GB RAM + 128GB) has IPS Screen type. Vivo's phone has display density of 401 PPI & iQOO's phone has only 393 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 ~ 84.5%. Both mobiles have same aspect ratio of 20:9.
iQOO Z9x (8GB RAM + 128GB)'s larger 8 GB RAM is better for playing games and all with respect to Vivo Y31 (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
iQOO Z9x (8GB RAM + 128GB)'s 50 MP + 2 MP Dual Rear Camera outclasses Vivo Y31 (6GB RAM + 128GB)'s 48 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Vivo Y31 (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to iQOO Z9x (8GB RAM + 128GB)'s 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 14 version.
| Name | Vivo Y31 (6GB RAM + 128GB) | iQOO Z9x (8GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | Y31 2021 | 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 | January 20, 2021 | April 24, 2024 |
| Design | ||
| Dimensions | 75 x 163 x 8.4 mm | 76 x 165.7 x 7.99 mm |
| Weight | 188 g | 199 g |
| Bezel less | No | |
| Colors | Tornado Green, Storm Grey | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color IPS Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.58 inches, 1080 x 2408 pixels | 6.72 inches, 1080 x 2408 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 401 PPI | ~ 393 PPI |
| Screen to Body Ratio | ~ 84.5% | ~ 86.4% |
| Features | 1000 nits Local Peak Brightness, Low Blue Light Certification | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 1 TB | Yes, (Hybrid Slot), upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77(3300-3800MHz)/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11 a/b/g/n/ac), Dual Band | |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.1, 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 |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BeiDou, GNSS, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope | Accelerometer, Ambient light Sensor, Proximity Sensor, E-compass, Fingerprint, Gyroscope sensor |
| 3.5mm Headphone Jack | Yes | Yes |
| Water Resistance | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Dual Stereo Speakers, Hi-Res Audio | |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Portrait, Photo, Video, Pano, Live Photo, Slo-Mo, Time-Lapse, Pro, DOC, Super Night Mode | Night, Portrait, Photo, Video, 50 MP, Panorama, Slo-mo, Time-lapse, Pro, Live photo, Documents | Front: Portrait, Photo, Video, Live Photo |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2 (Wide Angle) | 8 MP ƒ/2.05 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v14 |
| Custom UI | Funtouch OS 14 | |
| Chipset | Qualcomm Snapdragon 662 | Qualcomm Snapdragon 6 Gen1 |
| CPU | 2 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver | 1x Cortex-A710@2.4GHz & 3x Cortex-A710@2.36GHz& 4x Cortex-A510@1.8 GHz |
| GPU | Adreno 610 | Adreno 710 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | AAC, MIDI, OGG, FLAC, WMA, WAV, APE, MP3 |
| Video | Yes | MP4, 3GP, AVI |
| FM Radio | Yes | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-ion Battery | 6000 mAh, Li-ion Battery |
| Fast Charging | Yes, 18W Fast Charging | Yes, 44W Flash Charge |
| Reverse Charging | Yes | |
| Talk Time | 36 hours | |
| Video Playback Time | 21 hours | |
| Music Playback Time | 71 hours | |