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Smartphone comparison

Nothing Phone 3a vs Redmi Note 15 Pro 5G

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Nothing Phone 3a

Nothing Phone 3a

  • 201 g.
  • About 120 Hz display refresh rate.
  • About 6.77 inch screen.
  • Qualcomm SM7635 Snapdragon 7s Gen 3 (4 nm) processor.
  • Storage: UFS 2.2.
KSh 39,300In Stock
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02
Redmi Note 15 Pro 5G

Redmi Note 15 Pro 5G

  • 210 g.
  • Screen: 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density).
  • Mediatek Dimensity 7400 Ultra (4 nm) processor.
  • Storage: UFS 2.2.
  • 6,580 mAh battery capacity.
KSh 38,000In Stock
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Add to comparison

2 spaces available

Samsung Galaxy A36 5GKSh 40,000
Nothing Phone 2aKSh 43,000
Samsung Galaxy A37 5GKSh 38,500
Google Pixel 7KSh 39,500
Motorola G77 5GKSh 40,500
Infinix GT 30 ProKSh 37,800
Nord CE5KSh 40,500
2 of 4 products

Our quick verdict

The Redmi Note 15 Pro 5G has a bigger battery (6,580 mAh), a sharper screen and a higher-resolution main camera (200 MP), while the Nothing Phone 3a has optical zoom, sharper selfies (32 MP) and a longer cycle life (1,400 cycles).

Weight

Nothing Phone 3a
201 g
Redmi Note 15 Pro 5G
210 g

Display

Nothing Phone 3a
1080 x 2392 pixels (~387 ppi density)
Redmi Note 15 Pro 5G
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)

Performance

Nothing Phone 3a
Qualcomm SM7635 Snapdragon 7s Gen 3 (4 nm) processor
Redmi Note 15 Pro 5G
Mediatek Dimensity 7400 Ultra (4 nm) processor

Battery capacity

Nothing Phone 3a
5,000 mAh battery capacity
Redmi Note 15 Pro 5G
6,580 mAh battery capacity

Charging

Nothing Phone 3a
50 W rated wired charging power
Redmi Note 15 Pro 5G
45 W rated wired charging power

Key differences

The main differences to help you choose.

Nothing Phone 3a

  • Telephoto camera with 2x optical zoom.
  • Rated for more charge cycles: 1,400 (vs 1,000).
  • Higher-resolution selfie camera: 32 MP (vs 20 MP).

Redmi Note 15 Pro 5G

  • Bigger battery: 6,580 mAh (vs 5,000 mAh).
  • IP68 water and dust resistance (vs IP64).
  • Sharper screen: 447 ppi (vs 387 ppi).
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • More promised OS upgrades: 4 (vs 3).
  • 22.5 W reverse charging for earbuds or another phone.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityNothing Phone 3aRedmi Note 15 Pro 5G
Display6.77-inch OLED display, 120 Hz, 387 ppi6.83-inch OLED display, 120 Hz, 447 ppi
Camera50 MP main camera with OIS, plus a 2x telephoto camera200 MP main camera with OIS
PerformanceQualcomm Snapdragon 7s Gen 3 processorMediatek Dimensity 7400 Ultra processor
StorageUp to 256 GB storageUp to 512 GB storage
Battery capacity5,000 mAh battery6,580 mAh battery
Charging50 W wired charging45 W wired charging

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
BrandNothingRedmi
ModelPhone (3a)Redmi Note 15 Pro 5G
Announced2025, March 042025, December 18
Release statusAvailable. Released 2025, March 11Available. Released 2026, January 06
Model numbersA05925060RABDG, 25080RABDG

Design

Design specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
Dimensions163.5 x 77.5 x 8.4 mm (6.44 x 3.05 x 0.33 in)163.6 x 78.1 x 8 mm (6.44 x 3.07 x 0.31 in)
Weight201 g (7.09 oz)210 g (7.41 oz)
Build materialsGlass front (Panda Glass), plastic frame, glass backGlass front (Gorilla Glass Victus 2), plastic back or silicone polymer back (eco leather), plastic frame
Additional body features3 LED light strips on the back (notifications, camera fill light, 26 addressable zones)—

Display

Display specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
Display6.77 inches, 111.5 cm2 (~88.0% screen-to-body ratio); AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, 800 nits (typ), 1300 nits (HBM), 3000 nits (peak)6.83 inches, 114.5 cm2 (~89.7% screen-to-body ratio); AMOLED, 68B colors, 120Hz, 3840Hz PWM, HDR10+, Dolby Vision, 1800 nits (HBM), 3200 nits (peak)
Screen resolution1080 x 2392 pixels (~387 ppi density)1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Display protectionPanda GlassCorning Gorilla Glass Victus 2
Display featuresUltra HDR image support68B colors, 120Hz, 3840Hz PWM, HDR10+, Dolby Vision, 1800 nits (HBM), 3200 nits (peak)
Display technology—AMOLED
Display size—6.83 inches
Refresh rate—120Hz
Brightness—1800 nits (HBM); 3200 nits (peak)
HDR formats—HDR10+, Dolby Vision
Pixel density—447 ppi
Aspect ratio—19.5:9 ratio
Screen-to-body ratio—89.7% screen-to-body ratio

Performance

Performance specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
ProcessorQualcomm SM7635 Snapdragon 7s Gen 3 (4 nm)Mediatek Dimensity 7400 Ultra (4 nm)
CPUOcta-core (1x2.5 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520)Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPUAdreno 810Mali-G615 MC2
User interface—HyperOS 2
Software support—up to 4 major OS updates
Process node—4 nm

Memory & Storage

Memory & Storage specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
RAM8GB / 12GB8GB, 12GB
Storage128GB / 256GB128GB, 256GB, 512GB
Storage technologyUFS 2.2UFS 2.2
Expandable storageNoNo
Memory configurations128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM, 512GB 12GB RAM

Cameras

Cameras specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
Rear camera50 MP, f/1.9, 24mm (wide), 1/1.57", 1.0µm, dual pixel PDAF, OIS 50 MP, f/2.0, 50mm (telephoto), 1/2.74", 0.64µm, PDAF (25cm - ∞), 2x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm200 MP, f/1.7, 23mm (wide), 1/1.4", 0.56µm, multi-directional PDAF, OIS 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm
Front camera32 MP, f/2.2, 22mm (wide), 1/3.44"20 MP, f/2.2, 25mm (wide), 1/4.0", 0.7µm
Rear camera featuresLED flash, panorama, HDRLED flash, HDR, panorama
Rear camera video4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS
Front camera video1080p@30fps1080p@30/60fps
Front camera features—HDR, panorama

Battery & Charging

Battery & Charging specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
Battery5000 mAhSi/C Li-Ion 6580 mAh
Charging50W wired, 50% in 19 min, 100% in 56 min45W wired 22.5W reverse wired
Battery technology—Si/C Li-Ion
Reverse charging—22.5W reverse wired

Software

Software specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
Operating systemAndroid 15, upgradable to Android 16, Nothing OS 4.0, up to 3 major OS updatesAndroid 15, up to 4 major OS updates, HyperOS 2

Network

Network specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
NetworkGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM · Nano-SIM + Nano-SIM
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 661, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71
5G bands1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
Network speedHSPA, LTE, 5GHSPA, LTE, 5G

Connectivity

Connectivity specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
NFCYesYes (market/region dependent)
Bluetooth5.4, A2DP, LE5.4, A2DP, LE
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
PositioningGPS, GALILEO, GLONASS, BDS, QZSSGPS, GALILEO, GLONASS, QZSS, BDS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
Infrared—Yes

Durability

Durability specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
Water resistanceIP64 dust tight and water resistant (water splashes)IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Manufacturer-rated water-resistance (up to 2m for 24 hours) Drop resistant up to 2.5m

Features

Features specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass, proximity
ColorsBlack, White, Blue, Community Edition greenBlack, Glacier Blue, Mist Purple, Titanium

Audio

Audio specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
LoudspeakersYes, with stereo speakersYes, with stereo speakers (with Dolby Atmos)
3.5 mm headphone jackNoNo
Audio features—24-bit/192kHz Hi-Res & Hi-Res wireless audio

EU label

EU label specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
EnergyClass CClass B
Battery43:56h endurance, 1400 cycles60:50h endurance, 1000 cycles
Free fallClass C (90 falls)Class B (180 falls)
RepairabilityClass CClass C

Tests

Tests specifications comparison
SpecificationNothing Phone 3aRedmi Note 15 Pro 5G
Performance benchmarksAnTuTu: 828429 (v10) GeekBench: 3278 (v6) 3DMark: 1064 (Wild Life Extreme)—
Measured display brightness1273 nits max brightness (measured)—
Measured loudspeaker loudness-24.1 LUFS (Very good)—
Active use battery scoreActive use score 13:38h—
Measured performance—AnTuTu: 652862 (v10) GeekBench: 2913 (v6) 3DMark: 1005 (Wild Life Extreme)
Measured display—1901 nits max brightness (measured)
Measured loudspeaker—-21.1 LUFS (Excellent)
Measured battery endurance—Active use score 15:27h

Similarities

  • Both have 120 Hz displays.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 6.
  • Both use Bluetooth 5.4.
  • Both have NFC.
  • Both have a plastic frame.

In summary

For most buyers the Redmi Note 15 Pro 5G is the better buy; the Nothing Phone 3a makes sense if you want optical zoom.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy A36 5GFor Nothing Phone 3aSamsung Galaxy A36 5GView product ↗Samsung Galaxy A37 5GFor Nothing Phone 3aSamsung Galaxy A37 5GView product ↗Redmi Note 15 Pro 4GFor Redmi Note 15 Pro 5GRedmi Note 15 Pro 4GView product ↗Nord CE5For Redmi Note 15 Pro 5GNord CE5View product ↗

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