Realme 15 Pro 5G (8GB RAM + 256GB) vs Vivo S21 Pro
Quick Comparison
Vivo S21 Pro has better RAM than Realme 15 Pro 5G (8GB RAM + 256GB). In terms of display resolution, Realme 15 Pro 5G (8GB RAM + 256GB) has better resolution of 2800 x 1280 than Vivo S21 Pro which has resolution of 2800 x 1260. Both have the same amount of internal memory.
| Name | Realme 15 Pro 5G (8GB RAM + 256GB) | Vivo S21 Pro |
| RAM | 8 GB | 12 GB |
|---|---|---|
| Display | 6.8 in | 6.74 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 7000 mAh | 6500 mAh |
| Camera | 50 MP + 50 MP Dual | 50 MP Quad |
| Price | Rs. 33998 | Rs. 44990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 24, 2025. The cost of Realme 15 Pro 5G (8GB RAM + 256GB) is Rs. 33998. The launch Date of the second phone is expected to be November 28, 2025 (Expected). The cost of Vivo S21 Pro is Rs. 44990.
Display comparison
Vivo S21 Pro has screen size of 6.74 inches which falls short to Realme 15 Pro 5G (8GB RAM + 256GB)'s 6.8 inch screen. Realme 15 Pro 5G (8GB RAM + 256GB) has Screen type where as Vivo S21 Pro has AMOLED Screen type. Vivo's phone has display density of 460 PPI & Realme's phone has only 453 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 94% than Vivo's phone ~ 89.2%.
Memory comparison
Vivo S21 Pro's larger 12 GB RAM is better for playing games and all with respect to Realme 15 Pro 5G (8GB RAM + 256GB)'s lower 8 GB RAM. and both have same Internal Memory of 256 GB.
Camera comparison
They both have the same 50 MP + 50 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 50 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 16 version.
Related Comparisons
Full Comparison
| Name | Realme 15 Pro 5G (8GB RAM + 256GB) | Vivo S21 Pro |
| General | ||
| Country of Origin | India | |
| Model | 15 Pro | S21 Pro |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 24, 2025 | November 28, 2025 (Expected) |
| In The Box | 1 realme 15 Pro 5G, 1 USB Type-C Cable, 1 Power Adapter , 1 Protect Case, 1 SIM Card Needle, 1 Quick Guide | |
| Design | ||
| Dimensions | 76.15 x 162.26 x 7.69 mm | |
| Weight | 187 g | |
| Bezel less | Yes | |
| Colors | Velvet Green, Silk Purple, and Flowing Silver | |
| Display | ||
| Type | Color HyperGlow 4D Curve+ Display (1.07 billion) | Color AMOLED Screen (1B Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.8 inches, 1280 x 2800 pixels, 144 Hz | 6.74 inches, 1260 x 2800 pixels, 120 Hz |
| PPI | ~ 453 PPI | ~ 460 PPI |
| Screen to Body Ratio | ~ 94% | ~ 89.2% |
| Glass Type | Corning Gorilla Glass | |
| Brightness | Brightness: 1800nit（HBM）/ 6500nit Peak Brightness | |
| Features | 2500Hz Instantaneous Touch Sampling Rate, Dimming: 4608Hz PWM Dimming | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 12 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | NR: n1/n3/n5/n8/n28B/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Support 2.4/5GHz Wi-Fi Support Wi-Fi 5 / Wi-Fi 6 | |
| Bluetooth | Yes, v5.4 | Yes, v6.0 |
| 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 |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Single band: Beidou, GPS, GLONASS, Galileo, QZSS | Yes |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Proximity, Ambient light , Color temperature, E-compass, Accelerometer, Gyroscope | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| AI Features | Ai Edit Genie, Next AI (Ai Mobile, AI Party Mode, Triple Party AI Algorithms, AI Inspiration, AI Snap Mode, AI gmaing Coach, Ai Ultra Touch Control, AI Multi-Tasker, AI MagicGlow 2.0 | |
| Water Resistance | Yes | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 & IP69 | IP65 |
| Dust Resistant | Yes | Yes |
| Extra Features | GT Boost, 7000mm² AirFlow VC, Bypass Charging | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Main) Lens: 6P, FOV: 84.4°, Aperture: f/1.8, Focal Length: 24mm 50 MP ƒ/2.2 (Ultra Wide) Lens：6P, FOV：115.6°, Aperture：f/2.0 | 50 MP ƒ/1.9 (Wide Angle) 23mm (wide), 1/1.56", PDAF, OIS 50 MP (Telephoto) 50 MP (Ultra Wide) 50 MP |
| Camera Sensor | Sony IMX896 OIS Camera | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, AI Landscape, Night, Hi-Res, Pro, Pano, Street, Film, Slo-Mo, Time-Lapse, Long Exposure, Dual-Video, Underwater, Text Scanner, Breeno Scan, Starry Mode, Tilt-Shift, Googlen Lens | Panorama, HDR |
| Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP (Wide Angle) Lens: 5P, FOV: 86.7°, Aperture: f/2.4 Punch Hole, Screen Flash | 50 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 60 fps UHD | 4K, 1080p |
| Technical | ||
| OS | Android v15 | Android v16 |
| Custom UI | realme UI 6 | |
| Chipset | Qualcomm Snapdragon 7 Gen4 | Mediatek Dimensity 9400 |
| CPU | 2.8 GHz, Octa Core Processor | 3.63 GHz, Octa Core Processor |
| Core Details | 1x Prime Core@ 2.8 GHz& 4 Performance Cores@ 2.4 GHz & 3x Efficiency Cores@ 1.8 GHz | 1xCortex-X925@3.63 GHz & 3xCortex-X4@3.3 GHz & 4xCortex-A720@2.4 GHz |
| Fabrication Node | TSMC 4nm | |
| GPU | Adreno GPU | Immortalis-G925 |
| NPU | Qualcomm Hexagon NPU | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS | Yes |
| Video | MP4, 3GP, 3G2, 3GPP2, M4V, MKV | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Titan Battery | 6500 mAh, Si/C |
| Fast Charging | Yes, 80W Ultra Charge | Yes, 100W |
| Reverse Charging | Yes | Yes |