Phones / Compare
Nothing Phone (4a) vs Redmi Note 15 5G
Product A: Nothing
104 of 162 known
Change Nothing Phone (4a)
Product B: Redmi
112 of 162 known
Change Redmi Note 15 5G
91 of 154 fields differ
- 54 different values
- 37 known for one only
- 29 the same
- 34 missing for both
Biggest differences
Each bar uses the scale of all 284 phones.
- Peak brightnessA: 4,500nitsB: 3,200nitsNothing is 1,300 nits higher.
- Geekbench single-coreA: 1,259pointsB: 1,017pointsNothing is 242 points higher.
- Geekbench multi-coreA: 3,393pointsB: 2,963pointsNothing is 430 points higher.
Weight
0 to 250 g
All 162 fields
Every value links to where we found it.


General
7 of 11 differ
Series
Model numbers
GTIN / EAN
Not available
Not available
Announced
Not available
Status
Predecessor
Nothing Phone (3a)10Reviewengadget.com/mobile/smartphones/nothings-phone-4a-pro-picks-up-flagship-features-and-an-even-brighter-display-for-499-111500926.htmlRead 23 October 2026Engadget says the Phone 4a Pro and Phone 4a are the sequels to the Phone 3a and Phone 3a Pro.11Reviewgsmarena.com/nothing_phone_4a-review-2948.phpRead 23 October 2026GSMArena's review compares the Phone (4a) to its predecessor and names the Phone (3a) chipset as the one it replaces.
Successor
Not available
Redmi Note 17 5G13Reviewnotebookcheck.net/Xiaomi-launches-Redmi-Note-17-5G-with-8-000mAh-battery-in-India.1361302.0.htmlRead 23 October 2026Notebookcheck calls the Redmi Note 15 5G the previous-generation model of the Redmi Note 17 5G.14Reviewsmartzone.de/redmi-note-17-5g-im-testRead 23 October 2026Smartzone's review of the Redmi Note 17 5G names the Redmi Note 15 5G as its predecessor.
Launch price (US)
Not available
Not available
Launch price (EU)
Not available
Not available
Markets
Colours
White, Black, Blue, Pink1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
Form factor
OS support period (claimed)
Not available
Security support period (claimed)
Not available
Body
9 of 16 differ
Height
Not available
Width
Thickness
Not available
Thickness with camera bump
Not available
Not available
Folded dimensions
Not available
Not available
Weight
Frame
Front
Corning Gorilla Glass 7i1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
Back
Dust and water rating
Water resistance depth
Not available
Water resistance time
Not available
MIL-STD-810
Not available
Not available
SIM capacity
Nano-SIMs2Active eSIM capacity0eSIM onlyNo1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026ROW two physical nano-SIMs and maker explicitly says no eSIM. Japan-only eSIM hardware excluded.
Nano-SIMs2Active eSIM capacity0eSIM onlyNo1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026Two physical nano-SIM slots with the second shared by microSD. The exact FAQ explicitly denies eSIM, so active eSIM capacity is zero. No remembered-profile count is inferred.5Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Network Q17 states no eSIM support. Active eSIM capacity is zero. This is not a count of remembered profiles. The second nano-SIM slot remains shared with microSD.
Stylus
Not available
Not available
Stylus name
Not available
Not available
Display
16 of 24 differ
Screen size
Resolution
Pixel density
439.9ppi
387.7ppi
Aspect ratio
Display type
Display type (as published)
Max refresh rate
Min refresh rate
30Hz1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Maker adaptive-display marketing paragraph explicitly says dynamic 30 Hz to 120 Hz, matching exact review. No LTPO inference.8Reviewnotebookcheck.net/Bargain-potential-and-stylish-design-Nothing-Phone-4a-review.1294915.0.htmlRead 5 October 2026Display explicitly dynamic 30 to 120 Hz. Does not establish LTPO.
Not available
Touch sampling rate
Not available
Instant touch sampling
Display brightness (typical, claimed)
Not available
Outdoor brightness (claimed)
Peak display brightness (claimed)
4,500nits1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Display table 4500 nits peak. Maker release explicitly identifies HDR, window size and duration unstated.2Maker product pagenothing.community/d/53744-phone-4a-is-out-nowRead 5 October 2026Maker Display paragraph expressly identifies 4500 nits HDR peak.
Minimum brightness
Not available
Colour depth per channel
DCI-P3 coverage
Not available
HDR playback formats
Not available
PWM dimming frequency
Always-on display
Not available
Front camera cutout
Not available
Not available
Cover screen size
Not available
Not available
Cover screen resolution
Not available
Not available
Cover screen refresh rate
Not available
Not available
Cover screen type
Not available
Not available
Platform
6 of 10 differ
OS at launch
Software
Latest stable OS (verified)
Not available
Not available
Chipset
Qualcomm Snapdragon 7s Gen 41Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
Qualcomm Snapdragon 6 Gen 31Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026
Process
CPU cores
CPU configuration
ANothing Phone (4a)
| Count | Core | Max clock (GHz) |
|---|---|---|
| 1 | ARM Cortex-A720 | 2.7 |
| 3 | ARM Cortex-A720 | 2.4 |
| 4 | ARM Cortex-A520 | 1.8 |
BRedmi Note 15 5G
| Count | Core | Max clock (GHz) |
|---|---|---|
| 4 | Cortex-A78 | 2.4 |
| 4 | Cortex-A55 | 1.8 |
Max CPU clock
2.7GHz
2.4GHz
GPU
Qualcomm Adreno 8101Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
NPU performance
Not available
Not available
Memory
5 of 6 differ
RAM
RAM type
Storage (nominal)
256GB1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026Nominal marketed decimal GB. The default RAM/storage pairing is separately proved by the actual first-sale table.3Maker product pagemi.com/uk/support/terms/redmi-note-15-series-first-saleRead 7 October 2026Same exact 8 GB + 256 GB purchase row.
Storage type
Memory card
Not available
microSD (shares the SIM slot)1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026
Rear cameras
9 of 14 differ
Physical rear cameras
ANothing Phone (4a)
| Role | Resolution (MP) | Aperture (f/) | Focal length (35 mm equivalent) (mm) | Sensor optical format | Autofocus | OIS | Optical zoom | Field of view | Sensor |
|---|---|---|---|---|---|---|---|---|---|
| Main | 50 | 1.88 | 24 | 1/1.57" | PDAF | Yes | Not available | Not available | Samsung GN9 |
| Periscope telephoto | 50 | 2.88 | 80 | 1/2.75" | PDAF | Yes | 3.5× | Not available | Samsung JN5 |
| Ultrawide | 8 | 2.2 | 15 | 1/4" | Not available | Not available | Not available | 120° | Sony IMX355 |
Source1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Exact physical camera table. Main and periscope PDAF/OIS explicitly stated. Physical 3.5x periscope only, 7x sensor crop is not another lens. Review supplies 8 MP ultrawide, equivalent focal lengths and sensor identifiers.8Reviewnotebookcheck.net/Bargain-potential-and-stylish-design-Nothing-Phone-4a-review.1294915.0.htmlRead 5 October 2026Exact Primary Camera header gives sensor identifiers and 24/80/15 mm equivalent lens lengths. Maker f/1.88 and f/2.88 precision retained.
BRedmi Note 15 5G
| Role | Resolution (MP) | Aperture (f/) | Focal length (35 mm equivalent) (mm) | Sensor optical format | Pixel size (µm) | OIS | Field of view | Sensor |
|---|---|---|---|---|---|---|---|---|
| Main | 108 | 1.7 | 24 | 1/1.67 inch | 0.64 | Yes | 83° | Samsung S5KHM9SX03-F1X9 |
| Ultrawide | 8 | 2.2 | 16 | 1/4 inch | 1.12 | Not available | 112° | OmniVision OV08F10 |
Source1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026Main and ultrawide are physical cameras. Native main 0.64 um pixels differ from 1.92 um binned pixels. The exact FAQ publishes f/1.75 and f/2.25, while this spec table says f/1.7 and f/2.2. Existing spec-table claims are retained with the conflict reported. Ultrawide AF subtype remains unknown.4Maker product pagemi.com/uk/product/redmi-note-15-5gRead 7 October 2026The exact UK overview states main-camera OIS. It publishes 24 mm for the native 1x view. The 72 mm 3x mode is a crop, not another lens. Other camera values come from the exact specifications.5Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Camera Q1-Q9 names S5KHM9SX03-F1X9 and OV08F10. The ultrawide optical format is 1/4 inch with native 1.12 um pixels. Published FOV is 83 degrees main and 112 degrees ultrawide, with no axis stated. Generic ultrawide AF conflicts with fixed-focus review wording, so its subtype stays unknown. FAQ apertures f/1.75 and f/2.25 differ from the spec table f/1.7 and f/2.2.9Reviewnotebookcheck.com/Das-Volks-Smartphone-fuer-alle-Test-Xiaomi-Redmi-Note-15-5G.1215287.0.htmlRead 7 October 2026The exact camera table gives 24 mm main and 16 mm ultrawide equivalents for the same HM9 and OV08F10 modules. No zoom crop is counted as a camera.
Number of rear cameras
3
2
Main camera
50MP
108MP
Longest physical-lens optical zoom
3.5×
Not available
Maximum photo digital zoom
Flash
Camera features
Ultra XDR, Ultra XDR motion photo, AI Semantic Segmentation (12 layers), Portrait Optimiser, Macro capability (built into the default mode), Night Mode1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026TrueLens Engine 4 list. Macro capability is software and does not add a physical lens.
Portrait mode, Panorama mode, Pro mode, Time-lapse, Documents mode, Slow motion, HDR, Dynamic shot, Timed burst, Audio shutter5Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Camera Functions Q3 lists the named rear software modes. HDR here is photo HDR. It does not establish recorded-video or display HDR.
Maximum rear video rate per resolution
ANothing Phone (4a)
| Width (px) | Height (px) | Highest capture rate (fps) |
|---|---|---|
| 3840 | 2160 | 30 |
| 1920 | 1080 | 120 |
BRedmi Note 15 5G
| Width (px) | Height (px) | Highest capture rate (fps) |
|---|---|---|
| 3840 | 2160 | 30 |
| 1920 | 1080 | 30 |
| 1280 | 720 | 240 |
Source1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026Ordinary rear capture is 4K30, 1080p30 and 720p30. The exact maker FAQ also proves main-camera 720p240 slow motion, so highest 720p capture is now 240 fps.5Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Camera Functions Q2 proves main rear 720p at 240 fps in slow-motion mode. Ordinary 4K and 1080p remain 30 fps. The table stores the highest capture rate per resolution.
Max video resolution
3840 × 2160px
3840 × 2160px
Recorded video HDR formats
Not available
Not available
Log recording
Not available
Not available
Video recording codecs
Not available
Not available
Video stabilisation
Maximum slow-motion capture rate
Front camera
3 of 3 differ
Front cameras
ANothing Phone (4a)
| Role | Resolution (MP) | Aperture (f/) | Focal length (35 mm equivalent) (mm) | Sensor optical format | Field of view | Sensor |
|---|---|---|---|---|---|---|
| Main | 32 | 2.2 | 22 | 1/3.44" | 89° | Samsung KD1 |
Source1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Maker 32 MP f/2.2 and 1/3.44-inch-format optics retained over review 1/3.42 format. No AF subtype or physical focal length is inferred.8Reviewnotebookcheck.net/Bargain-potential-and-stylish-design-Nothing-Phone-4a-review.1294915.0.htmlRead 5 October 2026Exact Secondary Camera header identifies Samsung KD1 and 22 mm equivalent focal length. Maker 1/3.44 format retained over review 1/3.42.
BRedmi Note 15 5G
| Role | Resolution (MP) | Aperture (f/) | Focal length (35 mm equivalent) (mm) | Sensor optical format | Pixel size (µm) | Autofocus | Sensor |
|---|---|---|---|---|---|---|---|
| Main | 20 | 2.2 | 21 | 1/4 inch | 0.702 | Fixed | OmniVision OV20B40-GA5A-001A |
Source1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 20265Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Camera Q20-Q27 names OV20B40-GA5A-001A, native 0.702 um pixels and fixed focus. The matching review publishes 21 mm for the widest equivalent view. Its 26 mm crop is not a second camera.9Reviewnotebookcheck.com/Das-Volks-Smartphone-fuer-alle-Test-Xiaomi-Redmi-Note-15-5G.1215287.0.htmlRead 7 October 2026The OV20B40 camera table publishes 21 and 26 mm equivalents. The widest 21 mm view is stored. The narrower crop is not another camera.
Maximum front video rate per resolution
ANothing Phone (4a)
| Width (px) | Height (px) | Highest capture rate (fps) |
|---|---|---|
| 1920 | 1080 | 60 |
BRedmi Note 15 5G
| Width (px) | Height (px) | Highest capture rate (fps) |
|---|---|---|
| 1920 | 1080 | 30 |
| 1280 | 720 | 120 |
Source1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026Ordinary front capture is 1080p30 and 720p30. The exact maker FAQ also proves front 720p120 slow motion, so highest 720p capture is now 120 fps.5Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Camera Functions Q2 proves front 720p at 120 fps in slow-motion mode. Ordinary 1080p remains 30 fps.
Front autofocus
Not available
No
Audio
2 of 4 differ
Stereo speakers
Audio features
Not available
Dolby Atmos, Hi-Res Audio1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026
Microphones
29Reviewnotebookcheck.com/Das-Volks-Smartphone-fuer-alle-Test-Xiaomi-Redmi-Note-15-5G.1215287.0.htmlRead 7 October 2026The complete device views label one physical microphone at the top and one at the bottom. The detailed exact-model body tour separately names the secondary noise microphone and main microphone. Not beamforming channels.10Reviewgsmarena.com/redmi_note_15_5g-review-2927p2.phpRead 7 October 2026The complete body tour names the top secondary noise-canceling microphone and bottom main microphone. The matching physical interface views corroborate two microphones. Not audio channels.
Network
5 of 10 differ
Network
2G bands
GSM 850, GSM 900, GSM 1800, GSM 19001Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
3G bands
B1, B2, B4, B5, B6, B8, B191Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
B1, B2, B4, B5, B6, B8, B191Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026
4G bands
B1, B2, B3, B4, B5, B7, B8, B12, B17, B18, B19, B20, B26, B28, B38, B40, B41, B42, B48, B66, B711Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Exact ROW maker LTE IDs. n25/B25 from Pro is not copied into this base model.
B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B26, B28, B32, B66, B38, B40, B41, B42, B481Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026
5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n71, n77, n781Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Exact ROW maker NR IDs include n40 and n71. Not a worldwide union or copied Pro table.
n1, n2, n3, n5, n7, n8, n12, n20, n26, n28, n38, n40, n41, n48, n66, n77, n781Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026Exact UK NR n-prefixed bands. SA/NSA union only for this device where separately listed. No other regional model bands added.
5G modes
Not available
5G mmWave
Not available
Not available
Maximum modem download rate
Not available
Not available
Satellite
Not available
Wi-Fi calling
Connectivity
9 of 13 differ
Wi-Fi
Wi-Fi bands
Bluetooth
Bluetooth audio codecs
NFC
Ultra-wideband
Not available
Positioning
GPS, GLONASS, BeiDou, Galileo, QZSS1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
GPS (L1), GLONASS (G1), BeiDou (B1I+B1C), Galileo (E1)1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026
Dual-frequency GNSS
Not available
Connector
USB data standard
Video out over USB
Not available
IR blaster
Not available
Features and sensors
3 of 5 differ
Fingerprint
Optical, under-display1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
Face unlock
Not available
Not available
Sensors
Accelerometer, Electronic compass, Front ambient light sensor, Gyroscope, Proximity sensor1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
Virtual proximity sensor, Ambient light sensor, Accelerometer, Electronic compass, Gyroscope1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026Maker sensor list. Infrared transmitter and vibration motor are represented in their own fields, not counted as sensors.
Extra buttons
Not available
Haptic motor
X-axis linear haptic motor1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Maker gaming paragraph explicitly identifies an X-axis linear motor, corroborating Other features Linear Haptic Motor.
Flat vibration motor (ERM)5Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Sensors Q11 names a flat motor. The matching Notebookcheck review independently identifies ERM. No linear motor is inferred.9Reviewnotebookcheck.com/Das-Volks-Smartphone-fuer-alle-Test-Xiaomi-Redmi-Note-15-5G.1215287.0.htmlRead 7 October 2026The input section explicitly identifies an ERM vibration motor. This matches the maker flat-motor description.
Battery and charging
6 of 17 differ
Rated battery capacity
Battery capacity (typical)
Not available
Rated battery energy
Not available
Not available
Battery type
Claimed battery life
ANothing Phone (4a)
| Use case | Hours (h) |
|---|---|
| Mixed use | 17 |
| Talk time | 47 |
| Audio playback | 26 |
| Video streaming | 21 |
Source1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Play all day paragraph, alongside the global 5080 mAh claim. Voice calls, listening to music and YouTube are separate maker laboratory runtimes. Network, brightness, audio route and firmware are unstated. Instagram scrolling is omitted because its app-specific use does not fit a distinct schema use case.2Maker product pagenothing.community/d/53744-phone-4a-is-out-nowRead 5 October 2026Maker up to 17 h mixed music/video/gaming/messages claim with global 5080 mAh battery. No network, brightness or test sequence specified.
BRedmi Note 15 5G
Not availableMaximum wired charging power (claimed)
Not available
Wired charging standards
USB PPS, USB PD 3.0, USB PD 2.0, Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 2.0, UFCS1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026
QC 2.0, QC 3.0, USB PD 2.0, USB PD 3.0, PPS, Xiaomi encrypted fast charging5Maker product pagemi.com/uk/support/faq/details/KA-651629Read 7 October 2026Charging Q2 lists QC 2.0, QC 3.0, PD 2.0, PD 3.0 and PPS. Q6 names Xiaomi encrypted fast charging. Individual protocol power limits are not stated.
Charge 0 to 50% (claimed)
Not available
Not available
Charge 0 to 100% (claimed)
Not available
Not available
Wireless charging
Wireless charging power
Not available
Not available
Wireless standards
Not available
Not available
Built-in alignment magnets
Not available
Not available
Reverse wireless output power
Not available
Not available
Reverse wired
Charger in box
Included adapter rated power
Not available
Not available
Measured
6 of 9 differ
Geekbench single-core
Geekbench multi-core
3DMark Wild Life Extreme
Not available
Display brightness (measured)
PWM dimming (measured)
Not available
Mixed-use battery life (measured)
Not available
Not available
Full charge time (measured)
Not available
Not available
Loudspeaker loudness (measured)
Not available
Not available
EU label and regulatory
4 of 10 differ
EU energy class
Battery endurance per cycle (EU test)
Battery endurance in cycles (EU test)
Drop resistance class
Repairability class
SAR head (US)
Not available
Not available
SAR body (US)
Not available
Not available
SAR head (EU)
Not available
SAR body (EU)
Not available
Hearing aid compatibility
Not available
Not available
In the box
1 of 1 differ
In the box
Nothing Phone (4a), Nothing Cable (USB-C to USB-C), 1 meter, Phone (4a) screen protector (pre-applied), Phone (4a) case, SIM tray ejector tool, Safety information and warranty card1Maker product pagenothing.tech/products/phone-4aRead 5 October 2026Maker UK box list. Protective case is corroborated by exact EU fiche Yes, unlike Pro. Mains adapter absent in manual.
REDMI Note 15 5G, USB Type-C Cable, SIM Eject Tool, Protective Case, Quick Start Guide, Warranty Card1Maker product pagemi.com/uk/product/redmi-note-15-5g/specsRead 5 October 2026
Links
Not compared
Product page
Spec sheet
Manual
cdn.shopify.com/s/files/1/0376/5420/0459/files/Phone_4a_User_Guide_Global_en_2e38a5da-9c79-4ba5-ace9-51c408466e63.pdf6Owner's manualcdn.shopify.com/s/files/1/0376/5420/0459/files/Phone_4a_User_Guide_Global_en_2e38a5da-9c79-4ba5-ace9-51c408466e63.pdfRead 5 October 2026Original maker global English 15-page guide opened. Maximum wired charging omitted because manual page 3 says 33 W versus current maker 50 W. Regulatory charger 50 W is not handset input maximum. Unidentified review charger also prevents storing measured 65-minute full charge.
gl123.alsgp0.mi-fds.com/gl123/Redmi/P17_REDMI%20Note%2015%205G/P17_%E6%AC%A7%E8%A7%848%E8%AF%AD%E7%89%88-%E9%9D%9EERP%E5%B8%A6%E5%85%85%E7%89%88%E5%90%88%E5%86%8C.pdf2Owner's manualgl123.alsgp0.mi-fds.com/gl123/Redmi/P17_REDMI%20Note%2015%205G/P17_%E6%AC%A7%E8%A7%848%E8%AF%AD%E7%89%88-%E9%9D%9EERP%E5%B8%A6%E5%85%85%E7%89%88%E5%90%88%E5%86%8C.pdfRead 5 October 2026Original manufacturer EU Safety Information document linked from the maker SG guide index. English sections personally read.
EPREL registration number
Warranty
0 of 1 differ
Manufacturer warranty (source market)
Both are also in the API. Back to all phones.














