Findprix helps you compare the Realme Narzo 100x and Vivo Y21 5G in terms of price, specifications, user reviews, and more. Realme Narzo 100x is expected to launch in India on July 22, 2026, with a starting price of ₹20,999 Vivo Y21 5G is priced at ₹20,999. Here's a quick comparison.
| Product | Price | Processor | RAM | Storage | Display | Front Camera | Rear Camera | Battery | OS |
|---|---|---|---|---|---|---|---|---|---|
| Realme Narzo 100x | ₹20,999 | MediaTek Dimensity 6300 | 6 nm | 4GB | LPDDR4X | 128GB | UFS 2.2 | 6.81 inches | HD+ | 8MP | 50MP | 8000 mAh | 45W | Android 16 | Realme UI 7.0 |
| Vivo Y21 5G | ₹20,999 | MediaTek Dimensity 6300 | 6 nm | 4GB | LPDDR4X | 128GB | UFS 2.2 | 6.74 inches | HD+ | 5MP | 50MP + 0.08MP | 6500 mAh | 44W | Android 16 | OriginOS 6 |
₹20,999
Realme Narzo 100x
4GB RAM + 128GB
Upcoming 
₹20,999
Vivo Y21 5G
4GB RAM + 128GB
Prices
Realme Narzo 100x
Prices not available
Vivo Y21 5G
Amazon₹20,999₹2,000 above the 1 month average of ₹18,999 — high price.
Ratings
Realme Narzo 100x
Ratings not available
Vivo Y21 5G
3.4
(9)
General
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Device Type | Smartphone | Smartphone |
| Operating System | Android 16 | Android 16 |
| Custom UI | Realme UI 7.0 | OriginOS 6 |
Design
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Dimensions | 166.4 x 78.2 x 8.8 mm | 167.4 x 77.1 x 8.39 mm |
| Weight | 224 g | 209 g |
| Water Resistance | Yes, IP65 | Yes, IP65 |
| Dust Resistance | Yes | Yes |
| Build Material | Back: Plastic | Back: Plastic |
| Durability | MIL-STD-810H compliant, Drop resistant up to 1.8m | MIL-STD-810H compliant |
| Colours | Midnight Black, Flash Orange | Champagne Gold, Midnight Blue |
| Features | Back: RGB Notifications Light | -- |
Display
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Touch Screen | Yes | Yes |
| Touch Sampling Rate | 180 Hz | -- |
| Display Type | LCD | LCD |
| Brightness | Typical: 975 nits HBM: 1200 nits | HBM: 1200 nits |
| Refresh Rate | 144 Hz | 120 Hz |
| Screen Size | 6.81 inches (17.3 cm), HD+ | 6.74 inches (17.12 cm), HD+ |
| Screen Resolution | 720 x 1570 pixels | 1600 x 720 pixels) |
| Aspect Ratio | 19.5:9 | 20:9 |
| Screen-to-Body Ratio | ~87.1% | ~85.0% |
| Pixel Density | ~254 ppi | ~260 ppi |
| Screen Protection | Yes, Panda-1681 | -- |
Rear Camera
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Camera Setup | Single | Dual |
| Primary | 50 MP (wide) 75° FoV, 5P lens, f/1.8 aperture upto 10x digital zoom AF | 50 MP (wide) f/1.8 aperture |
| Secondary | -- | 0.08 MP f/3.0 aperture |
| OIS | No | -- |
| Autofocus | Yes | Yes |
| Flash | Yes, LED | Yes |
| Video Recording | Standard: 1080p @ 30 fps, 720p @ 30 fps Slow Motion: 720p @ 120 fps Time-lapse: 1080p @ 30 fps | 1080p @ 30 fps |
Front Camera
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Camera Setup | Single | Single |
| Primary | 8 MP (ultra-wide) 80° FoV, 4P lens, f/2.0 aperture | 5 MP f/2.2 aperture |
| Video Recording | Standard: 1080p @ 30 fps, 720p @ 30 fps Time-lapse: 1080p @ 30 fps | -- |
Performance
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Chipset | MediaTek Dimensity 6300 | MediaTek Dimensity 6300 |
| Fabrication | 6 nm | 6 nm |
| GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| CPU | Octa core 2x Cortex-A76 @ 2.4 GHz 6x Cortex-A55 @ 2.0 GHz | Octa core 2x Cortex A76 @ 2.4 GHz 6x Cortex A55 @ 2 GHz |
| Cooling System | Yes | -- |
| Cooling Area | 5300 mm² | -- |
Storage
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Internal Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Memory Card Slot | Yes, up to 2 TB | Yes, up to 2 TB |
Battery
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Battery | 8000 mAh | 6500 mAh |
| Battery Type | Si/C Li-Ion | Li-ion |
| Wired Charging Speed | 45W | 44W |
| Wired Charging Time | -- | 50% charge in ~36 minutes |
| Wired Reverse Charging | Yes | Yes |
| Bypass Charging | Yes | -- |
Network
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| SIM | SIM 1: Nano SIM 2: Nano (Hybrid slot) | SIM 1: Nano SIM 2: Nano (Hybrid slot) |
| Network Support | 5G, 4G, 3G, 2G | 5G, 4G, 3G, 2G |
| 5G Bands | n1, n3, n5, n8, n28B, n40, n41, n77, n78 | n1, n3, n5, n8, n28B, n38, n40, n41, n77, n78 |
| 4G Bands | B1, B3, B5, B8, B28B, B40, B41 | B1, B3, B5, B8, B28B, B38, B40, B41 |
| Navigation Support | GPS, Glonass, Beidou, Galileo, QZSS | GPS, Glonass, Beidou, Galileo, QZSS |
| SAR | -- | Head: 1.14 W/kg Body: 1.12 W/kg |
Connectivity
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Bluetooth | Yes, v5.3 | Yes, v5.4 |
| Wi-Fi | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac), Dual Band (2 GHz + 5GHz) |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| NFC | -- | No |
Features
| Feature | Realme Narzo 100x | Vivo Y21 5G |
|---|---|---|
| Audio Jack | Yes, USB Type-C | Yes, 3.5 mm |
| FM Radio | -- | Yes |
| Loud Speaker | Yes | Yes |
| Stereo Speakers | -- | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Sensors | Accelerometer, Compass, Proximity Sensor | Accelerometer, Compass, Light Sensor, Proximity Sensor |
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