Redmi 15 4G vs Nothing Phone 4a Pro
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Redmi 15 4G |  Nothing Phone 4a Pro |
|---|---|---|
| Price | — | KSh 78,000.00 |
| Display | 6.9-inch IPS LCD, 144Hz | 6.83 inches, 117.8 cm2 (~93.9% screen-to-body ratio); AMOLED, 1B colors, 144Hz, 2160Hz PWM, HDR10+, 800 nits (typ), 1600 nits (HBM), 5000 nits (peak) |
| Processor | Qualcomm Snapdragon 685 (SM6225, 6nm) | Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm) |
| RAM | 4GB, 6GB, 8GB | 8GB, 12GB |
| Storage | 128GB, 256GB | 128GB, 256GB |
| Rear camera | 50MP wide, f/1.8, PDAF; auxiliary lens | 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0μm, dual pixel PDAF, OIS 50 MP, f/2.9, 80mm (periscope telephoto), 1/2.75", 0.64μm, PDAF, OIS, 3.5x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12μm |
| Battery | 7000mAh silicon-carbon Li-ion | 5080 mAh - International 5400 mAh - India |
| Charging | 33W wired | 50W wired 7.5W reverse wired |
| Weight | 224g | 210 g (7.41 oz) |
| Operating system | Android 15 at launch, upgradable to Android 16; HyperOS 3 | Android 16, Nothing OS 4.1, up to 3 major OS updates |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE / 5G |
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Full specifications
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General
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Brand | Redmi | Nothing |
| Model | Redmi 15 (4G) | Nothing Phone (4a) Pro |
| Announced | 1 August 2025 | 2026, March 05 |
Design
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Dimensions | 171.1 × 82.1 × 8.6mm | 163.7 x 76.6 x 8 mm (6.44 x 3.02 x 0.31 in) |
| Weight | 224g | 210 g (7.41 oz) |
| Build materials | — | Glass front (Gorilla Glass 7i), aluminum frame, aluminum back |
Display
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Display | 6.9-inch IPS LCD, 144Hz | 6.83 inches, 117.8 cm2 (~93.9% screen-to-body ratio); AMOLED, 1B colors, 144Hz, 2160Hz PWM, HDR10+, 800 nits (typ), 1600 nits (HBM), 5000 nits (peak) |
| Screen resolution | 1080 × 2340 pixels, 19.5:9, approximately 374ppi | 1260 x 2800 pixels, 20:9 ratio (~440 ppi density) |
| Display protection | Mohs hardness level 6 | Corning Gorilla Glass 7i, Mohs level 5 |
| Display features | — | Ultra HDR image support |
Performance
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Processor | Qualcomm Snapdragon 685 (SM6225, 6nm) | Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm) |
| CPU | Octa-core: 4 × 2.8GHz Cortex-A73 + 4 × 1.9GHz Cortex-A53 | Octa-core (1x2.8 GHz Cortex-720 & 4x2.4 GHz Cortex-720 & 3x1.8 GHz Cortex-520) |
| GPU | Adreno 610 | Adreno 722 |
Memory & Storage
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| RAM | 4GB, 6GB, 8GB | 8GB, 12GB |
| Storage | 128GB, 256GB | 128GB, 256GB |
| Storage technology | — | UFS 3.1 |
| Expandable storage | microSDXC, shared SIM slot | No |
Cameras
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Rear camera | 50MP wide, f/1.8, PDAF; auxiliary lens | 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0μm, dual pixel PDAF, OIS 50 MP, f/2.9, 80mm (periscope telephoto), 1/2.75", 0.64μm, PDAF, OIS, 3.5x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12μm |
| Front camera | 8MP wide, f/2.0 | 32 MP, f/2.2, 22mm (wide), 1/3.42", 0.64μm |
| Rear camera features | LED flash, HDR | LED flash, panorama, Ultra XDR |
| Rear camera video | 1080p at 30fps | 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS, Dolby Vision HDR, Ultra XDR |
| Front camera features | HDR | — |
| Front camera video | 1080p at 30fps | 1080p@30fps |
Battery & Charging
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Battery | 7000mAh silicon-carbon Li-ion | 5080 mAh - International 5400 mAh - India |
| Charging | 33W wired | 50W wired 7.5W reverse wired |
Software
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Operating system | Android 15 at launch, upgradable to Android 16; HyperOS 3 | Android 16, Nothing OS 4.1, up to 3 major OS updates |
Network
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE / 5G |
| SIM | Dual nano-SIM | Model-dependent SIM configurations: Nano-SIM + Nano-SIM + eSIM (max 2 at a time) Nano-SIM + Nano-SIM |
Connectivity
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| NFC | Yes, market/region dependent | Yes |
| Bluetooth | 5.0, A2DP, LE | 5.4, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Positioning | GPS, GLONASS, Galileo, BDS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
Durability
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Water resistance | IP64 dust and splash resistance | IP65 dust tight and water resistant (low pressure water jets) Manufacturer-rated water-resistant (up to 25cm for 20 min) 137 individually addressable mini-LEDs Aircraft-grade aluminium unibody |
Features
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Sensors | Side-mounted fingerprint sensor, accelerometer, compass; virtual proximity sensing | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Colors | Midnight Black, Titan Gray, Sandy Purple | — |
Audio
| Specification | Redmi 15 4G | Nothing Phone 4a Pro |
|---|---|---|
| Loudspeakers | Yes | Yes, with stereo speakers |
| 3.5 mm headphone jack | No | No |