Both Vivo S1 Pro and Vivo Y31 Pro 5G (8GB RAM + 256GB) comes with same RAM. In terms of display resolution, Vivo Y31 Pro 5G (8GB RAM + 256GB) has better resolution of 2408 x 1080 than Vivo S1 Pro which has resolution of 2340 x 1080. Vivo Y31 Pro 5G (8GB RAM + 256GB) has more internal memory than Vivo S1 Pro
| Name | Vivo S1 Pro | Vivo Y31 Pro 5G (8GB RAM + 256GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.38 in | 6.72 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 4500 mAh | 6500 mAh |
| Camera | 48 MP Quad | 50 MP + 2 MP Dual |
| Price | Rs. 18989 | Rs. 21999 |
The launch Date of the first phone is January 4, 2019. The cost of Vivo S1 Pro is Rs. 18989. The cost of Vivo Y31 Pro 5G (8GB RAM + 256GB) is Rs. 21999.
Vivo S1 Pro has screen size of 6.38 inches which falls short to Vivo Y31 Pro 5G (8GB RAM + 256GB)'s 6.72 inch screen. Vivo S1 Pro has Super AMOLED Screen type where as Vivo Y31 Pro 5G (8GB RAM + 256GB) has LCD Screen type. Vivo S1 Pro has display density of 404 PPI & Vivo Y31 Pro 5G (8GB RAM + 256GB) has only 393 PPI display density. In terms of screen to body ratio, Vivo Y31 Pro 5G (8GB RAM + 256GB) has better screen to body ratio of ~ 90.7% than Vivo S1 Pro's ~ 83.4%. Vivo S1 Pro has 19.5:9 aspect ratio where as Vivo Y31 Pro 5G (8GB RAM + 256GB) has 20:9 aspect ratio.
Both mobiles come with 8 GB RAM Vivo Y31 Pro 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Vivo S1 Pro (128 GB).
Vivo Y31 Pro 5G (8GB RAM + 256GB)'s 50 MP + 2 MP Dual Rear Camera outclasses Vivo S1 Pro's 48 MP Quad Rear Camera in terms of resolution. Vivo S1 Pro will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Vivo Y31 Pro 5G (8GB RAM + 256GB)'s 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 9.0 and the second one on 15 version.
| Name | Vivo S1 Pro | Vivo Y31 Pro 5G (8GB RAM + 256GB) |
| General | ||
| Model | S1 Pro | Y31 Pro 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| SAR | 0.99 W/kg (Head) 0.94 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | January 4, 2019 | |
| In The Box | Y31 Pro 5G, Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (applied), Warranty Card | |
| Design | ||
| Dimensions | 75.19 x 159.25 x 8.68 mm | 76.3 x 165.7 x 8.19 mm |
| Weight | 186.7 g | 208 g |
| Bezel less | No | |
| Colors | Dreamy White / Mocha Brown | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.38 inches, 1080 x 2340 pixels | 6.72 inches, 1080 x 2408 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 404 PPI | ~ 393 PPI |
| Screen to Body Ratio | ~ 83.4% | ~ 90.7% |
| Brightness | 1050 nits | |
| Features | Always On Display, Eye Protection Mode | 83% NTSC |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, (Hybrid Slot), upto 256 GB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz / 5 GHz | |
| Bluetooth | Yes, v5.0 | Yes, v5.4 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, BeiDou, GLONASS, Galileo | GPS, BeiDou, GLONASS, Galileo, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Color Temperature Sensor, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope, Infrared blaster |
| 3.5mm Headphone Jack | Yes | |
| AI Features | AI Erase, AI Photo Enhance, Smart AI Assistant, AI SuperLinK | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Ultra Game Mode, Smart Split, Motorbike Mode | Dual SIM Dual Standby (DSDS) |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.8 (Main) 8 MP ƒ/2.2 (Wide Angle) Super Wide Angle 2 MP ƒ/2.4 (Macro) Super Macro 2 MP ƒ/2.4 Bokeh | 50 MP ƒ/1.8 (Main) 2 MP ƒ/2.4 Bokeh |
| Auto Focus | Yes | Yes |
| Features | AI filter, Backlight HDR, Portrait bokeh, Portrait light effects | Photo, Night, Portrait, Video, Live Photo, Slo-mo, Time-lapse, Pro, Pano, Documents, 50 MP, Scan |
| Video Recording | 1080p @ 30 fps FHD | 1080p, 4K @ 30 fps UHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 Screen Flash Flash | 8 MP ƒ/2 Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v15 |
| Chipset | Qualcomm Snapdragon 665 | MediaTek Dimensity 7300 |
| CPU | 2 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver | |
| GPU | Adreno 610 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | WAV, MP3, MP2, AMR-NB, AMR-WB, MIDI, Vorbis, APE, FLAC | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | MP4, 3GP, AVI, FLV, TS, MKV | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | Yes | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Hi-Res Audio Certification | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4500 mAh, Li-Po Battery | 6500 mAh, Li-ion Battery |
| Fast Charging | Yes, 18W Fast Charging | Yes, 44W |