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Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Announced | June 3, 2019 | 2026, April 02 |
| Released | 2019, June | 2026-04-07 |
| Status | Available | Available |
NETWORK6 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G LTE | 1, 3, 5, 8, 40, 41 | 1, 3, 5, 8, 28, 40, 41 |
| 5G | No | 1, 3, 5, 8, 28, 40, 78 SA/NSA |
| Speed | LTE | HSPA, LTE, 5G |
| Technology | 4G/LTE/GSM | 5G/4G/LTE/GSM |
BODY5 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front, glass back, plastic frame |
| Dimensions | 155.3 x 73.9 x 7.9 mm (6.11 x 2.91 x 0.31 in) | 164 x 75.4 x 7.4 mm or 7.8 mm (6.46 x 2.97 x 0.29 in) |
| IP Rating | No IP rating | IP65 / IP66 |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + hybrid Nano-SIM / microSD |
| Weight | 168 g (5.93 oz) | 178 g (Black / White); 182 g (Crimson) |
DISPLAY7 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Brightness | 485 nits (max), 661 nits (auto, measured) | 800 nits typical; 3200 nits peak |
| Protection | Corning Gorilla Glass 3 | — |
| Refresh Rate | 60Hz | 120Hz |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) | 1080 x 2392 pixels (~388 ppi density) |
| Screen-to-body | ~84.9% | ~89.7% |
| Size | 6.3 inches, 97.4 cm2 (~84.9% screen-to-body ratio) | 6.77 inches |
| Type | PLS LCD | Curved AMOLED |
PLATFORM4 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| CPU | Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) | Octa-core, up to 2.4GHz |
| Chipset | Qualcomm SDM675 Snapdragon 675 (11 nm) | Qualcomm Snapdragon 6 Gen 3 (4nm) |
| GPU | Adreno 612 | Adreno |
| OS | Android 9.0 (Pie), upgradable to Android 11, One UI 3.1 | Android 15, HyperOS 2 |
MEMORY5 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Card slot | microSDXC (uses shared SIM slot) | Hybrid microSD, up to 1 TB |
| Internal | 64GB, 128GB | 128 / 256 GB |
| RAM | 4GB RAM, 6GB RAM | 6 / 8 GB |
| Storage Type | — | UFS 2.2 |
| Storage/RAM variants | 64GB, 128GB; 4GB RAM, 6GB RAM | 128 / 256 GB; 6 / 8 GB RAM |
MAIN CAMERA3 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Features | LED flash, panorama, HDR | LED flash, HDR, panorama |
| MAIN CAMERA | 32 MP, f/1.7, 26mm (wide), 1/2.8", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm, PDAF 5 MP, f/2.2, (depth) | 50 MP main, f/1.8; 2 MP depth |
| Video | 4K@30fps, 1080p@30fps | 4K at 30fps |
SELFIE CAMERA3 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Features | HDR | HDR |
| Selfie camera | 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm | 20 MP, f/2.2 |
| Video | 1080p@30fps | 1080p at 30fps |
SOUND3 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| 3.5mm jack | No | No |
| Dolby Atmos | — | Yes |
| Loudspeaker | Yes | Dual speakers |
COMMUNICATION6 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.1 |
| NFC | Yes | Yes (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | FM radio | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | 802.11 a/b/g/n/ac, dual-band |
FEATURES1 field
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
BATTERY3 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Capacity | 3500 mAh | 5800mAh |
| Charging Type | 15W wired | 45W wired |
| Type | Li-Po 3500 mAh, non-removable | 5800 mAh, non-removable |
ADDITIONAL INFORMATION5 fields
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Colors | Seawater Blue, Midnight Blue, Cocktail Orange | Crimson Reserve, Carbon Black, Frosted White |
| Compatibility | — | India |
| Launch Price (USD) | $235.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | SM-M405F, SM-M405FN, SM-M405G | 26022PCACI |
| Price in Nigeria | ₦359,550 (Stored estimate) | ₦350,000 (Stored estimate) |
SECURITY1 field
| Specification | Galaxy M40 | Redmi Note 15 Special |
|---|---|---|
| Security | Biometric security: Fingerprint (rear-mounted). | In-display fingerprint sensor; face unlock |