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Smartphone comparison

Redmi 15 4G vs Oppo A6 4G

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Redmi 15 4G

Redmi 15 4G

  • 224 g.
  • Screen: 1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density).
  • Qualcomm SM6225 Snapdragon 685 (6 nm) processor.
  • 7,000 mAh battery capacity.
  • 33 W rated wired charging power.
Out of Stock
02
Oppo A6 4G

Oppo A6 4G

  • 215 g.
  • Screen: 720 x 1570 pixels, 19.5:9 ratio (~256 ppi density).
  • Qualcomm SM6225 Snapdragon 685 (6 nm) processor.
  • Storage: UFS 2.2.
  • 7,000 mAh battery capacity.
KSh 34,100In Stock
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Redmi 15 5G
Redmi Note 17 Pro 5GKSh 46,499
OPPO A6 Pro 5G 256GBKSh 47,050
Tecno Pova Curve 2 5GKSh 57,600
OnePlus Nord CE 6 5GKSh 46,500
Nothing Phone (4b)KSh 48,000
Infinix Hot 70 Pro 5GKSh 37,500
2 of 4 products

Our quick verdict

With the same Qualcomm Snapdragon 685 processor, 7,000 mAh battery and 50 MP main camera, the Oppo A6 4G charges faster (45 W) and has better water and dust protection (IP68) and stereo speakers, while the Redmi 15 4G has a larger 6.9-inch, sharper screen and scrolls more smoothly (144 Hz).

Weight

Redmi 15 4G
224 g
Oppo A6 4G
215 g

Display

Redmi 15 4G
1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)
Oppo A6 4G
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)

Software

Redmi 15 4G
Runs Android 15, upgradable to Android 16, HyperOS 3
Oppo A6 4G
Runs Android 15, ColorOS 15

Charging

Redmi 15 4G
33 W wired charging
Oppo A6 4G
45 W wired charging

Water resistance

Redmi 15 4G
IP64 water and dust resistance
Oppo A6 4G
IP68 water and dust resistance

Key differences

The main differences to help you choose.

Redmi 15 4G

  • Smoother 144 Hz display (vs 120 Hz).
  • Sharper screen: 374 ppi (vs 256 ppi).
  • Larger 6.9-inch screen (vs 6.75-inch).

Oppo A6 4G

  • Faster rated wired charging: 45 W (vs 33 W).
  • IP68 water and dust resistance (vs IP64).
  • Stereo speakers.
  • 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
PriorityRedmi 15 4GOppo A6 4G
Display6.9-inch LCD display, 144 Hz, 374 ppi6.75-inch LCD display, 120 Hz, 256 ppi
Camera50 MP main camera50 MP main camera
Battery capacity7,000 mAh battery7,000 mAh battery
Charging33 W wired charging45 W wired charging
Weight224 g215 g
Water resistanceIP64 water and dust resistanceIP68 water and dust resistance

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
BrandRedmiOPPO
ModelRedmi 15 (4G)A6 (CPH2817)
Announced2025, August 012026, January 13
Release statusAvailable. Released 2025, August 01Available. Released 2026, January 13
Model numbers24129PN74G, 25062RN2DE, 25062RN2DACPH2817

Design

Design specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
Dimensions171.1 x 82.1 x 8.6 mm (6.74 x 3.23 x 0.34 in)166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight224 g (7.90 oz)215 g (7.58 oz)
Build materials—Glass front, plastic frame, plastic back

Display

Display specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
Display6.9 inches, 116.9 cm2 (~83.2% screen-to-body ratio); IPS LCD, 144Hz6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio); IPS LCD, 120Hz, 1125 nits (peak)
Screen resolution1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Display features144Hz120Hz, 1125 nits (peak)
Display technologyIPS LCDIPS LCD
Display size6.9 inches6.75 inches
Refresh rate144Hz120Hz
Pixel density374 ppi256 ppi
Aspect ratio19.5:9 ratio19.5:9 ratio
Screen-to-body ratio83.2% screen-to-body ratio85.2% screen-to-body ratio
Brightness—1125 nits (peak)

Performance

Performance specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
ProcessorQualcomm SM6225 Snapdragon 685 (6 nm)Qualcomm SM6225 Snapdragon 685 (6 nm)
CPUOcta-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPUAdreno 610Adreno 610
User interfaceHyperOS 3ColorOS 15
Software supportupgradable to Android 16—
Process node6 nm6 nm

Memory & Storage

Memory & Storage specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
RAM4GB, 6GB, 8GB4GB, 6GB, 8GB
Storage128GB, 256GB128GB, 256GB
Expandable storagemicroSDXC (uses shared SIM slot)microSDXC
Memory configurations128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
Storage technology—UFS 2.2

Cameras

Cameras specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
Rear camera50 MP, f/1.8, (wide), PDAF Auxiliary lens50 MP, f/1.8, (wide), PDAF Auxiliary lens
Front camera8 MP, f/2.0, (wide)8 MP, f/2.0, (wide)
Rear camera featuresLED flash, HDRLED flash, HDR, panorama
Rear camera video1080p@30fps1080p@30fps
Front camera featuresHDRPanorama
Front camera video1080p@30fps1080p@30fps
Wide camera—50 MP, f/1.8, (wide), PDAF
Additional rear cameras—Auxiliary lens

Battery & Charging

Battery & Charging specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
BatterySi/C Li-Ion 7000 mAhSi/C Li-Ion 7000 mAh
Charging33W wired45W wired, 33W PPS, 13.5W PD, 36% in 30 min 5W reverse wired
Battery technologySi/C Li-IonSi/C Li-Ion
Reverse charging—5W reverse wired

Software

Software specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
Operating systemAndroid 15, upgradable to Android 16, HyperOS 3Android 15, ColorOS 15

Network

Network specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
NetworkGSM / HSPA / LTEGSM / HSPA / LTE
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 2100 - version 1; HSDPA 900 / 2100 - version 2
4G bandsLTE1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - version 1; 1, 3, 5, 8, 40 - version 2
Network speedHSPA, LTEHSPA, LTE

Connectivity

Connectivity specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
NFCYes (market/region dependent)Yes (market/region dependent)
Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX
Wi-FiWi-Fi 802.11 b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band
PositioningGPS, GLONASS, GALILEO, BDSGPS, GALILEO, GLONASS, QZSS
RadioNo—
USBUSB Type-C 2.0USB Type-C 2.0, OTG
InfraredYes—

Durability

Durability specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
Water resistanceIP64 dust tight and water resistant (water splashes)IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

Features

Features specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
SensorsFingerprint (side-mounted), accelerometer, compassFingerprint (side-mounted), accelerometer, proximity, compass
ColorsMidnight Black, Titan Gray, Sandy PurpleSapphire Blue, Aurora Gold

Audio

Audio specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
LoudspeakersYesYes, with stereo speakers
3.5 mm headphone jackNoNo

EU label

EU label specifications comparison
SpecificationRedmi 15 4GOppo A6 4G
EnergyClass B—
Battery62:06h endurance, 1000 cycles—
Free fallClass A (270 falls)—
RepairabilityClass C—

Similarities

  • Both have 7,000 mAh batteries.
  • Both support Wi-Fi 5.
  • Both use Bluetooth 5.0.
  • Both have NFC.
  • Both have LCD displays.
  • Both charge over USB-C.

In summary

For most buyers the Oppo A6 4G is the better buy; the Redmi 15 4G makes sense if you want a larger 6.9-inch, sharper screen.

Back to compared products ↑

In-stock alternatives

Tecno Pova Curve 2 5GFor Redmi 15 4GTecno Pova Curve 2 5GView product ↗Infinix Hot 70 Pro 5GFor Redmi 15 4GInfinix Hot 70 Pro 5GView product ↗OPPO A5 Pro 5G 256GBFor Oppo A6 4GOPPO A5 Pro 5G 256GBView product ↗OPPO A5 5GFor Oppo A6 4GOPPO A5 5GView product ↗

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