Xiaomi 15S Pro has better RAM than Vivo Y400 Pro 5G (8GB RAM + 256GB). In terms of display resolution, Xiaomi 15S Pro has better resolution of 3200 x 1440 than Vivo Y400 Pro 5G (8GB RAM + 256GB) which has resolution of 2392 x 1080. Xiaomi 15S Pro has more internal memory than Vivo Y400 Pro 5G (8GB RAM + 256GB)
| Name | Vivo Y400 Pro 5G (8GB RAM + 256GB) | Xiaomi 15S Pro |
| RAM | 8 GB | 16 GB |
|---|---|---|
| Display | 6.77 in | 6.73 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 5500 mAh | 6100 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 27999 | Rs. 66990 |
The launch Date of the first phone is June 20, 2025. The cost of Vivo Y400 Pro 5G (8GB RAM + 256GB) is Rs. 27999. The launch Date of the second phone is May 22, 2025. The Expected cost of Xiaomi 15S Pro is Rs. 66990.
Xiaomi 15S Pro has screen size of 6.73 inches which falls short to Vivo Y400 Pro 5G (8GB RAM + 256GB)'s 6.77 inch screen. Vivo Y400 Pro 5G (8GB RAM + 256GB) has AMOLED Screen type where as Xiaomi 15S Pro has LTPO AMOLED Screen type. Xiaomi's phone has display density of 521 PPI & Vivo's phone has only 388 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 90% than Vivo's phone ~ 88.8%. Vivo Y400 Pro 5G (8GB RAM + 256GB) has 20:9 aspect ratio where as Xiaomi 15S Pro has 20.5:9 aspect ratio.
Xiaomi 15S Pro's larger 16 GB RAM is better for playing games and all with respect to Vivo Y400 Pro 5G (8GB RAM + 256GB)'s lower 8 GB RAM. Xiaomi 15S Pro has more Internal Memory (512 GB) than Vivo Y400 Pro 5G (8GB RAM + 256GB) (256 GB).
They both have the same 50 MP + 2 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 32 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Vivo Y400 Pro 5G (8GB RAM + 256GB) | Xiaomi 15S Pro |
| General | ||
| Country of Origin | India | |
| Model | Y400 Pro 5G | 15s Pro 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 0.9 W/kg (Head) 0.9 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | June 20, 2025 | May 22, 2025 |
| Design | ||
| Dimensions | 75 x 163.72 x 7.49 mm | 75.3 x 161.3 x 8.3 mm |
| Weight | 182 g | 216 g |
| Colors | Black, Ocean Blue, Titanium, White | Black, Blue |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.73 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 388 PPI | ~ 521 PPI |
| Screen to Body Ratio | ~ 88.8% | ~ 90% |
| Brightness | 4500nits | 3200 nits (peak) |
| Features | Always-on display | Dolby Vision, HDR10+, HDR Vivid |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 16 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 2.2 | UFS 4.1 |
| Card Slot | No | |
| 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/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, v5.4 | Yes, v5.4, A2DP, LE, aptX HD, aptX Adaptive |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Performance | ||
| AnTuTu Score | 720,000 (Total) (v10) | |
| Extra | ||
| GPS | GPS, BeiDou, GLONASS, Galileo, QZSS | yes with A-GPS, GLONASS,Galelio, BeiDou, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Proximity, Gyro, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| AI Features | AI Super Link, AI Transcript Assist, AI Note Assist | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | IP68 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 2 MP (Depth Sensor) | 50 MP ƒ/1.4 (Wide Angle) 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP ƒ/2.5 (Telephoto) 120mm (periscope telephoto), PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ (ultrawide), AF |
| Camera Sensor | Sony IMX882 | |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Photo, Portrait, Night, Video, 50 MP, Pano, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Pro, Food, Dual View, Film Camera | Laser AF, color spectrum sensor, Leica lens, dual-tone , HDR, panorama |
| Video Recording | 4K, 1080p | 8K @ 24 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) Punch Hole | 32 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p, 4K | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | Funtouch OS 15 | HyperOS 2 |
| Chipset | Mediatek Dimensity 7300 | Xiaomi Xring O1 |
| CPU | 2.5 GHz, Octa Core Processor | 3.9 GHz, Deca Core Processor |
| Core Details | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | |
| Fabrication Node | 4nm | Immortalis-G925 MC16 |
| GPU | Mali-G615 MC2 | Immortalis-G925 MC16 |
| NPU | 3nm | |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, WAV, MP3, MP2, MP1, MIDI, Vorbis, APE, FLAC, OPUS | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB |
| Video | MP4, 3GP, AVI, TS, MKV, FLV | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5500 mAh, Li-ion Battery | 6100 mAh, Si/C Li-Ion |
| Fast Charging | Yes, 90W Fast Charging | Yes, 90W Fast Charging |
| Wireless Charging | Yes, 50W | |
| Reverse Charging | Yes | |
| Reverse Wireless Charging | Yes | |
| Video Playback Time | 21 hours | |