Samsung Galaxy A03 Core vs Xiaomi Redmi Note 12 Discovery
Samsung Galaxy A03 Core: Limited confirmed specifications — categories without real data are not scored.

Samsung Galaxy A03 Core
4.9/ 10 — Below average
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Full specs & detailsOverall winner

Xiaomi Redmi Note 12 Discovery
6.7/ 10 — Average
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Full specs & detailsWhich is better?
- Xiaomi Redmi Note 12 Discovery wins clearly over Samsung Galaxy A03 Core — 6.7 overall against 4.9.
- Xiaomi Redmi Note 12 Discovery takes 6 of the 8 categories both phones are scored in.
- Samsung Galaxy A03 Core has the bigger battery — 5,000 mAh against 4,300 mAh.
- On paper, Xiaomi Redmi Note 12 Discovery has the higher-resolution main camera — 200 MP against 8 MP.
- Xiaomi Redmi Note 12 Discovery is the lighter phone — 208 g against 211 g.
Category scores
| Category | Samsung Galaxy A03 Core | Xiaomi Redmi Note 12 Discovery |
|---|---|---|
| Performance | 2.0 | 5.0Better |
| Camera | 3.5 | 7.0Better |
| Display | 5.2 | 7.2Better |
| Battery | 8.4Better | 7.5 |
| Design & Build | 4.2 | 7.2Better |
| Software | 6.6Better | 6.0 |
| Audio | 6.5 | 7.3Better |
| Call Quality | 6.2 | 7.8Better |
Open the interactive comparisonRadar chart, winner highlights and a differences-only view.
Full specifications side by side
| Specification | Samsung Galaxy A03 Core | Xiaomi Redmi Note 12 Discovery |
|---|---|---|
| Launch | ||
| Launch status | Available | Available |
| Release date | 6 Dec 2021 | 1 Nov 2022 |
| Platform | ||
| OS | Android | Android |
| OS version | Android 11 (Go edition) | Android 12, MIUI 13 |
| Chipset (as published) | Unisoc SC9863A (28 nm) | Mediatek Dimensity 1080 (6 nm) |
| CPU | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) | Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) |
| GPU | IMG8322 | Mali-G68 MC4 |
| Chipset | — | Dimensity 1080 |
| Memory | ||
| Memory variants (RAM/storage) | 2 GB RAM + 32 GB | 8 GB RAM + 256 GB |
| Card slot | Dedicated slot | None |
| Display | ||
| Display size | 6.5″ | 6.67″ |
| Resolution | 720 × 1,600 pixels | 1,080 × 2,400 pixels |
| Panel type | LCD (other) | OLED |
| Refresh rate | — | 120 Hz |
| Brightness (peak) | — | 900 nits |
| Battery | ||
| Battery capacity | 5,000 mAh | 4,300 mAh |
| Wired charging | — | 210W |
| Body & build | ||
| Dimensions | 164.2 × 75.9 × 9.1 mm | 162.9 × 76 × 9 mm |
| Weight | 211 g | 208 g |
| Materials | Plastic | Glass, Aluminium |
| Colours | Black, Blue | Black |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Connectivity | ||
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.2 |
| NFC | No | Yes |
| USB | microUSB 2.0, OTG | USB Type-C 2.0, OTG |
| Positioning | GPS, GLONASS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Audio | ||
| 3.5mm jack | Yes | Yes |
| Loudspeaker | — | Stereo |
| Features | ||
| Sensors | Accelerometer, Proximity | Accelerometer, Gyroscope, Proximity, Compass |
| Fingerprint | — | Side-mounted |
| Network | ||
| Network technologies | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Camera | ||
| Rear cameras | 8 MP (f/2) | 200 MP wide (f/1.7, OIS) · 8 MP ultrawide (f/1.9) · 2 MP macro |
| Front cameras | 5 MP (f/2.2) | 16 MP wide |
| Video (max) | 1080p@30fps | 4K@30fps |
| Additional specifications | ||
| Network · Bands 2g | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| Network · Bands 3g | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| Network · Bands 4g | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 3, 5, 8, 19, 34, 38, 39, 40, 41 |
| Network · Speed | HSPA 21.1/5.76 Mbps, LTE | HSPA, LTE, 5G |
| Main Camera · Features | LED flash | Dual-LED dual-tone flash, HDR, panorama |
| Main Camera · Video | 1080p@30fps | 4K@30fps, 1080p@30/60/120fps, 720p@960fps |
| Selfie Camera · Single | 5 MP, f/2.2 | 16 MP, (wide), 1/3.06", 1.0µm |
| Connectivity · Radio | Unspecified | Unspecified |
| Misc · Models | SM-A032F, SM-A032F/DS, SM-A032M | 22101316UP |
| Misc · Price | About 80 EUR | About 380 EUR |
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