Both Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB) and Vivo X300 Pro 5G comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB) has better resolution of 3200 x 1440 than Vivo X300 Pro 5G which has resolution of 2800 x 1260. Both have the same amount of internal memory.
| Name | Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB) | Vivo X300 Pro 5G |
| RAM | 16 GB | 16 GB |
|---|---|---|
| Display | 6.8 in | 6.78 in |
| Internal Memory | 512 GB | 512 GB |
| Battery | 5000 mAh | 6510 mAh |
| Camera | 108 MP Quad | 200 MP + 50 MP + 50 MP Triple |
| Price | Rs. 111999 | Rs. 109998 |
The launch Date of the first phone is January 14, 2021. The cost of Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB) is Rs. 111999. The launch Date of the second phone is December 02, 2025. The cost of Vivo X300 Pro 5G is Rs. 109998.
Vivo X300 Pro 5G has screen size of 6.78 inches which falls short to Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB)'s 6.8 inch screen. Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB) has Screen type where as Vivo X300 Pro 5G has LTPO AMOLED Screen type. Samsung's phone has display density of 515 PPI & Vivo's phone has only 452 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 91.6% than Samsung's phone ~ 89.8%. Both mobiles have same aspect ratio of 20:9.
Both phones come with 16 GB RAM and both have same Internal Memory of 512 GB.
Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB)'s 108 MP Quad Rear Camera outshines Vivo X300 Pro 5G's 200 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Vivo X300 Pro 5G will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB)'s 40 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 16 version.
| Name | Samsung Galaxy S21 Ultra 5G (16GB RAM + 512GB) | Vivo X300 Pro 5G |
| General | ||
| Model | Galaxy S21 Ultra 5G | V2502A |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.14 W/kg (Head) 0.95 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | |
| Security Updates | 7 years | |
| Release Date | January 14, 2021 | December 02, 2025 |
| Design | ||
| Dimensions | 75.6 x 165.1 x 8.9 mm | 75.5 x 161.2 x 8 mm |
| Weight | 227 g | 226 g |
| Bezel less | Yes | |
| Colors | Black, Blue, White, Brown | |
| Display | ||
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color LTPO AMOLED Screen (1.07 billion) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.78 inches, 1260 x 2800 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 452 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 91.6% |
| Glass Type | Corning Gorilla Glass Victus | Scratch/drop-resistant glass |
| Brightness | 4500 nits Local Peak Brightness, 1 nit Min Brightness13 | |
| Features | Always-on Display, HDR10+ | Ultra HDR image support, Dolby Vision, Color 100% P3, Wide Color Gamut, HDR10+, Triple Eye Protection |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 16 GB | 16 GB |
| RAM Type | LPDDR5X Ultra | |
| Expandable RAM | Upto 16 GB Extra Virtual RAM | |
| Storage | 512 GB | 512 GB |
| Storage Type | UFS 3.1 | 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/n2/n3/n5/n7/n8/n20/n25/n26/n28/n38/n40/n41/n66/n71/n75/n77/n78/n79 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4GHz,5.0GHz, 6.0GHz | |
| Bluetooth | Yes, v5.2, A2DP, LE | Yes, v6.0, A2DP, LE, aptX HD |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, cellular positioning, Wi-Fi positioning |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 & IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | V3+ Chip, Liquid Cooling Vapor Chamber, AI SuperLink | |
| Camera | ||
| Rear Camera | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.6 (Wide Angle) 24mm (wide), 1/1.28", 1.22µm, PDAF, OIS 200 MP ƒ/2.7 (Telephoto) Telephoto (OIS) 3.5x Optical Zoom HPB Sensor CIPA 5.5 50 MP ƒ/2 (Ultra Wide) 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF |
| Camera Sensor | 50MP (OIS) Sony LYT-828 Sensor CIPA 5.5 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Laser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, panorama, HDR, 3D LUT import, Snapshot, Landscape & Night, Portrait, Photo, Video, Portrait Video, Ultra HD Document, Slo-mo, Stage, Time-lapse, Pro, AI Storyboard, Telephoto Bird Shots, ZEISS Mirotar Telephoto Style Bokeh, Telephoto Extender |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 8K @ 30 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 50 MP ƒ/2 (Wide Angle) 50MP JN1 AF Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v10 | Android v16 |
| Custom UI | OriginOS 6 | |
| Chipset | Samsung Exynos 2100 | Mediatek Dimensity 9500 |
| CPU | 2.9 GHz, Octa Core Processor | 4.21 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | |
| GPU | Mali-G78 MP14 | Arm G1-Ultra |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | WAV, MP3, MP2, MIDI, Vorbis, APE, FLAC |
| Video | Yes | MP4, 3GP, AVI, Video Recording: MP4 |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 6510 mAh, Li-ion Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 90W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 40W Wireless FlashCharge |
| Reverse Charging | Yes, 4.5W | |