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Full specifications
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LAUNCH DATE3 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Announced | August 10, 2022 | 18 Dcember, 2025 |
| Released | 2022-08-25 | 2026-01-06 |
| Status | Available | Available. Released 2026, January 06 |
NETWORK6 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | Not supported | HSDPA 850 / 900 / 2100 |
| 4G LTE | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71 |
| 5G | SA/NSA | Yes |
| Speed | LTE, 5G | HSPA, LTE, 5G |
| Technology | 5G/4G/LTE/GSM | GSM / HSPA / LTE / 5G |
BODY5 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Build | Plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame | Glass front, plastic back, plastic frame |
| Dimensions | Unfolded: 165.2 x 71.9 x 6.9 mm Folded: 84.9 x 71.9 x 15.9-17.1 mm | 164 x 75.4 x 7.4 mm (6.46 x 2.97 x 0.29 in) |
| IP Rating | IPX8 water resistant (up to 1.5m for 30 min), no dust rating | IP66 dust tight and water resistant (high pressure water jets) Drop resistant up to 1.7m |
| SIM | Nano-SIM + eSIM | Dual Nano‑SIM |
| Weight | 187 g (6.60 oz) | 178 g (6.28 oz) |
DISPLAY8 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Brightness | 1200 nits (peak) | 800 nits (typ), 3200 nits (peak) |
| Features | — | Always‑on display, reading mode, adaptive brightness |
| Protection | Super AMOLED, 1.9 inches, 260 x 512 pixels (Gorilla Glass Victus+) | Corning Gorilla Glass |
| Refresh Rate | 120Hz | 120Hz |
| Resolution | 1080 x 2640 pixels (~426 ppi density) | 1080 x 2392 pixels |
| Screen-to-body | ~85.4% | 89% (slim bezels) |
| Size | 6.7 inches, 101.5 cm2 (~85.4% screen-to-body ratio) | 6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio) |
| Type | Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) | AMOLED |
PLATFORM4 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| CPU | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | Octa-core (up to 2.4 GHz) |
| Chipset | Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) | Qualcomm Snapdragon 6 Gen 3 |
| GPU | Adreno 730 | Adreno 710 |
| OS | Android 12, upgradable to Android 14, One UI 6.1.1 | Android 15 |
MEMORY5 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Card slot | No | microSDXC (dedicated slot) |
| Internal | 128GB, 256GB, 512GB | 128 GB / 256 GB |
| RAM | 8GB RAM | 6 GB / 8 GB |
| Storage Type | — | UFS 2.2 |
| Storage/RAM variants | 128GB, 256GB, 512GB; 8GB RAM | 128 GB / 256 GB; 6 GB / 8 GB RAM |
MAIN CAMERA3 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Features | LED flash, HDR, panorama | ED flash, HDR, panorama |
| MAIN CAMERA | 12 MP, f/1.8, 24mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.06", 1.12µm | 108 MP, f/1.7, 24mm (wide), 1/1.67", 0.64µm, PDAF, OIS; 8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm |
| Video | 4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+ | 4K video recording |
SELFIE CAMERA3 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Features | HDR | HDR, portrait mode |
| Selfie camera | 10 MP, f/2.4, 26mm (wide), 1/3.0", 1.22µm | 20 MP, f/2.2, 21mm (wide), 1/4.0" |
| Video | 4K@30fps | Full HD video recording |
SOUND3 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| 3.5mm jack | No | Yes |
| Dolby Atmos | — | Supported |
| Loudspeaker | Yes, with stereo speakers | Stereo speakers |
COMMUNICATION6 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | 5.3 stable low‑energy connection |
| NFC | Yes | Yes (market dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | No | FM radio |
| USB | USB Type-C 2.0, OTG | USB Type‑C |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi‑Fi 802.11 a/b/g/n/ac |
FEATURES2 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Satellite | — | Not supported |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer | Side‑mounted fingerprint, accelerometer, proximity sensor |
BATTERY3 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Capacity | 3700 mAh | 5520 mAh |
| Charging Type | 25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless | 45W wired, 18W reverse wired |
| Type | Li-Po 3700 mAh | Li‑Po, non‑removable |
ADDITIONAL INFORMATION4 fields
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Colors | Bora Purple, Graphite, Pink Gold, Blue, Yellow, White, Navy, Khaki, Red | Black, Glacier Blue, Mist Purple |
| Launch Price (USD) | $500.00 (reference only — see Price in Nigeria above for the actual retail price) | $355.00 (reference only — see Price in Nigeria above for the actual retail price) |
| Models | SM-F721B, SM-F721B/DS, SM-F721N, SM-F721U, SM-F721U1, SM-F721W, SM-F7210 | 25096RA9BG, 25098RA98G |
| Price in Nigeria | ₦320,000 (Seller price) | ₦316,900 (Seller price) |
SECURITY1 field
| Specification | GalaxyZ Flip4 | Redmi Note 15 5G |
|---|---|---|
| Security | Biometric security: Fingerprint (side-mounted). | Side‑mounted fingerprint sensor, face unlock |