Both Vivo S1 Pro and Vivo Y400 Pro 5G (8GB RAM + 256GB) comes with same RAM. In terms of display resolution, Vivo Y400 Pro 5G (8GB RAM + 256GB) has better resolution of 2392 x 1080 than Vivo S1 Pro which has resolution of 2340 x 1080. Vivo Y400 Pro 5G (8GB RAM + 256GB) has more internal memory than Vivo S1 Pro
| Name | Vivo S1 Pro | Vivo Y400 Pro 5G (8GB RAM + 256GB) |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.38 in | 6.77 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 4500 mAh | 5500 mAh |
| Camera | 48 MP Quad | 50 MP + 2 MP Dual |
| Price | Rs. 18989 | Rs. 27999 |
The launch Date of the first phone is January 4, 2019. The cost of Vivo S1 Pro is Rs. 18989. The launch Date of the second phone is June 20, 2025. The cost of Vivo Y400 Pro 5G (8GB RAM + 256GB) is Rs. 27999.
Vivo S1 Pro has screen size of 6.38 inches which falls short to Vivo Y400 Pro 5G (8GB RAM + 256GB)'s 6.77 inch screen. Vivo S1 Pro has Super AMOLED Screen type where as Vivo Y400 Pro 5G (8GB RAM + 256GB) has AMOLED Screen type. Vivo S1 Pro has display density of 404 PPI & Vivo Y400 Pro 5G (8GB RAM + 256GB) has only 388 PPI display density. In terms of screen to body ratio, Vivo Y400 Pro 5G (8GB RAM + 256GB) has better screen to body ratio of ~ 88.8% than Vivo S1 Pro's ~ 83.4%. Vivo S1 Pro has 19.5:9 aspect ratio where as Vivo Y400 Pro 5G (8GB RAM + 256GB) has 20:9 aspect ratio.
Both mobiles come with 8 GB RAM Vivo Y400 Pro 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Vivo S1 Pro (128 GB).
Vivo Y400 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. Both of them stand equal in terms of Front Camera Resolution as both have 32 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 Y400 Pro 5G (8GB RAM + 256GB) |
| General | ||
| Country of Origin | India | |
| Model | S1 Pro | Y400 Pro 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| SAR | 0.9 W/kg (Head) 0.9 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | January 4, 2019 | June 20, 2025 |
| Design | ||
| Dimensions | 75.19 x 159.25 x 8.68 mm | 75 x 163.72 x 7.49 mm |
| Weight | 186.7 g | 182 g |
| Colors | Black, Ocean Blue, Titanium, White | |
| Display | ||
| Type | Color Super AMOLED Screen (16M Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.38 inches, 1080 x 2340 pixels | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 404 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 83.4% | ~ 88.8% |
| Brightness | 4500nits | |
| Features | Always On Display, Eye Protection Mode | Always-on display |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 2.2 | |
| 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/n38/n40/n41 (2535–2655 MHz)/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 on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| AnTuTu Score | 720,000 (Total) (v10) | |
| Extra | ||
| GPS | Yes, with A-GPS, BeiDou, GLONASS, Galileo | GPS, BeiDou, GLONASS, Galileo, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | AI Super Link, AI Transcript Assist, AI Note Assist | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Extra Features | Ultra Game Mode, Smart Split, Motorbike Mode | |
| 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 (Wide Angle) 2 MP (Depth Sensor) |
| Camera Sensor | Sony IMX882 | |
| Auto Focus | Yes | Yes |
| Features | AI filter, Backlight HDR, Portrait bokeh, Portrait light effects | Photo, Portrait, Night, Video, 50 MP, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Pro, Food, Dual View, Film Camera |
| Video Recording | 1080p @ 30 fps FHD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2 Screen Flash Flash | 32 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p, 4K |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v15 |
| Custom UI | Funtouch OS 15 | |
| Chipset | Qualcomm Snapdragon 665 | Mediatek Dimensity 7300 |
| CPU | 2 GHz, Octa Core Processor | 2.5 GHz, Octa Core Processor |
| Core Details | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 |
| Fabrication Node | 4nm | |
| GPU | Adreno 610 | Mali-G615 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | WAV, MP3, MP2, AMR-NB, AMR-WB, MIDI, Vorbis, APE, FLAC | AAC, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS |
| Video | MP4, 3GP, AVI, FLV, TS, MKV | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | Yes | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4500 mAh, Li-Po Battery | 5500 mAh, Li-ion Battery |
| Fast Charging | Yes, 18W Fast Charging | Yes, 90W Fast Charging |
| Video Playback Time | 21 hours | |