Realme C83 5G vs Xiaomi Redmi Note 15 SE 5G
A spec-by-spec comparison of the Realme C83 5G and the Xiaomi Redmi Note 15 SE 5G, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| Our rating | 7/10 | 8/10 |
| Battery | 7,000 mAh | 5,800 mAh |
| Wired charging | 15W | 45W |
| RAM (max) | — | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Screen size | 6.8 in | 6.77 in |
| Refresh rate | — | 120 Hz |
| Main camera | 13 MP | 50 MP |
| Weight (lower is lighter) | 212 g | 178 g |
| Released | Mar 2026 | Apr 2026 |
Summary: Realme C83 5G is ahead on battery, screen size. Xiaomi Redmi Note 15 SE 5G is ahead on our rating, wired charging, storage (max), main camera.
Display
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| Type | IPS LCD | AMOLED, 68B colors, 120Hz, 3840Hz PWM, 800 nits (typ), 3200 nits (peak) |
| Size | 6.8 inches | 6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio) |
| Resolution | 720 x 1570 pixels (HD+) | 1080 x 2392 pixels (FHD+) (~388 ppi density) |
| Refresh Rate | 144Hz (up to 180Hz touch sampling rate) | — |
| Brightness | Up to 900 nits peak brightness (HBM), 700 nits (typical) | — |
| Screen-to-body ratio | 90.5% | — |
| Features | — | TÜV Rheinland Low Blue Light, Circadian Friendly, and Flicker Free triple certification |
Platform
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| OS | Android 16 | Android 15, HyperOS 3 |
| UI | Realme UI 7.0 | — |
| Chipset | MediaTek Dimensity 6300 (6nm) | Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm) |
| CPU | Octa-core (2x Cortex-A76 @ 2.4GHz + 6x Cortex-A55 @ 2GHz) | Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55) |
| GPU | ARM Mali-G57 MC2 | Adreno 710 |
Memory
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| RAM | 4GB, 6GB LPDDR4X | — |
| Internal Storage | 64GB, 128GB (eMMC 5.1) | — |
| Card slot | microSD, expandable up to 2TB (hybrid slot) | microSDXC (uses shared SIM slot), expandable up to 1TB |
| Dynamic RAM | Up to 12GB Dynamic RAM | — |
| Internal | — | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Storage Type | — | UFS 2.2 |
| RAM Type | — | LPDDR4X |
Main Camera
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| Single | 13 MP | — |
| Features | f/2.2 aperture, 77° FOV, 4P lens, LED flash, Autofocus | LED flash, HDR, panorama, AI Erase, AI Remove Reflection, AI Sky, AI Bokeh, AI Beautify |
| Video | 1080p@30fps, 720p@30fps, 720p@120fps (slow-mo) | 4K@30fps, 1080p@30fps, gyro-EIS |
| Dual | — | 50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF |
| Auxiliary lens | — | 2 MP |
Selfie Camera
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| Single | 5 MP | 20 MP, f/2.2, (wide), 1/4" |
| Features | f/2.2 aperture, 78° FOV, 3P lens | — |
| Video | 1080p@30fps, 720p@30fps | 1080p@30fps |
Battery
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| Type | Li-Po, non-removable | Li-Po, non-removable |
| Capacity | 7000 mAh | 5800mAh |
| Charging | 15W Fast Charging, Reverse-wired charging, Bypass charging | 45W Turbo Charging (charger in-box) |
| Reverse Charging | — | 18W wired reverse charging |
Body
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| Dimensions | 166.3 x 78.1 x 8.4 mm | 164.0 x 75.4 x 7.35 mm |
| Weight | 212g | 178 g |
| Build | Plastic frame and back, ArmorShell Protection | Glass front, plastic frame, plastic or eco leather back |
| Durability | IP64 dust and splash resistant, MIL-STD 810H military-grade shock resistance certified | IP65/IP66 dust and water resistant |
| SIM | — | Dual SIM (Nano-SIM, dual stand-by) |
Comms
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| WLAN | Wi-Fi 5 (802.11ac), Wi-Fi Display, WLAN Tethering | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | Yes | 5.4, A2DP, LE |
| GPS | GPS, GLONASS, Galileo, Beidou, QZSS | — |
| USB | USB Type-C | USB Type-C 2.0, OTG |
| NFC | No | No |
| Positioning | — | GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c) |
| Infrared port | — | Yes |
| Radio | — | No |
Launch
| Realme C83 5G | Xiaomi Redmi Note 15 SE 5G |
|---|
| Announced | March 7, 2026 | 2026, April 02 |
| Status | Available. Released 2026, March 7 | Available. Released 2026, April 07 |
Frequently asked questions
Which has the better battery, Realme C83 5G or Xiaomi Redmi Note 15 SE 5G?
Realme C83 5G — 7,000 mAh for the Realme C83 5G versus 5,800 mAh for the Xiaomi Redmi Note 15 SE 5G.
Which is lighter, Realme C83 5G or Xiaomi Redmi Note 15 SE 5G?
Xiaomi Redmi Note 15 SE 5G — 212 g for the Realme C83 5G versus 178 g for the Xiaomi Redmi Note 15 SE 5G.
Which is newer, Realme C83 5G or Xiaomi Redmi Note 15 SE 5G?
Xiaomi Redmi Note 15 SE 5G — Mar 2026 for the Realme C83 5G versus Apr 2026 for the Xiaomi Redmi Note 15 SE 5G.
Is the Realme C83 5G or the Xiaomi Redmi Note 15 SE 5G rated higher?
We rate the Realme C83 5G 7/10 and the Xiaomi Redmi Note 15 SE 5G 8/10.
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