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Smartphone comparison

Redmi 15 4G vs OPPO A6 Pro 5G

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 Pro 5G 256GB

OPPO A6 Pro 5G 256GB

  • 185 g.
  • Screen: 1080 x 2372 pixels (~397 ppi density).
  • Mediatek Dimensity 6300 (6 nm) processor.
  • Storage: UFS 2.2.
  • Runs Android 15, ColorOS 15.
KSh 47,050In Stock
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Redmi 15 5G
Redmi Note 17 Pro 5GKSh 46,499
Oppo A6 4GKSh 34,100
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

The OPPO A6 Pro 5G charges faster (80 W) and has an OLED screen with deeper blacks and a longer cycle life (1,600 cycles), while the Redmi 15 4G has a larger 6.9-inch screen and scrolls more smoothly (144 Hz).

Weight

Redmi 15 4G
224 g
OPPO A6 Pro 5G
185 g

Display

Redmi 15 4G
1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)
OPPO A6 Pro 5G
1080 x 2372 pixels (~397 ppi density)

Performance

Redmi 15 4G
Qualcomm SM6225 Snapdragon 685 (6 nm) processor
OPPO A6 Pro 5G
Mediatek Dimensity 6300 (6 nm) processor

Software

Redmi 15 4G
Runs Android 15, upgradable to Android 16, HyperOS 3
OPPO A6 Pro 5G
Runs Android 15, ColorOS 15

Memory

Redmi 15 4G
Up to 8 GB RAM
OPPO A6 Pro 5G
Up to 12 GB RAM

Key differences

The main differences to help you choose.

Redmi 15 4G

  • Smoother 144 Hz display (vs 120 Hz).
  • Larger 6.9-inch screen (vs 6.57-inch).

OPPO A6 Pro 5G

  • Faster rated wired charging: 80 W (vs 33 W).
  • IP68 water and dust resistance (vs IP64).
  • OLED display (vs LCD).
  • Rated for more charge cycles: 1,600 (vs 1,000).
  • Newer Bluetooth 5.4 (vs 5.0).
  • Higher-resolution selfie camera: 16 MP (vs 8 MP).

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 Pro 5G
Display6.9-inch LCD display, 144 Hz, 374 ppi6.57-inch OLED display, 120 Hz, 397 ppi
PerformanceQualcomm Snapdragon 685 processorMediatek Dimensity 6300 processor
MemoryUp to 8 GB RAMUp to 12 GB RAM
Battery capacity7,000 mAh batteryMarket-dependent versions: · Si/C Li-Ion 7000 mAh - version 1 · 6500 mAh -
Charging33 W wired charging80 W wired charging
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 Pro 5G 256GB
BrandRedmiOPPO
ModelRedmi 15 (4G)A6 Pro 5G (CPH2781)
Announced2025, August 012025, September 23
Release statusAvailable. Released 2025, August 01Available. Released 2025, September 29
Model numbers24129PN74G, 25062RN2DE, 25062RN2DACPH2781

Design

Design specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
Dimensions171.1 x 82.1 x 8.6 mm (6.74 x 3.23 x 0.34 in)158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in)
Weight224 g (7.90 oz)185 g (6.53 oz)
Build materials—Glass front, plastic frame, plastic back
Additional body features—MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions

Display

Display specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
Display6.9 inches, 116.9 cm2 (~83.2% screen-to-body ratio); IPS LCD, 144Hz6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio); AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
Screen resolution1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)1080 x 2372 pixels (~397 ppi density)
Display features144Hz1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
Display technologyIPS LCDAMOLED
Display size6.9 inches6.57 inches
Refresh rate144Hz120Hz
Pixel density374 ppi397 ppi
Aspect ratio19.5:9 ratio—
Screen-to-body ratio83.2% screen-to-body ratio88.5% screen-to-body ratio
Display protection—AGC DT-Star D+
Brightness—600 nits (typ); 1400 nits (HBM)

Performance

Performance specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
ProcessorQualcomm SM6225 Snapdragon 685 (6 nm)Mediatek Dimensity 6300 (6 nm)
CPUOcta-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPUAdreno 610Mali-G57 MC2
User interfaceHyperOS 3ColorOS 15
Software supportupgradable to Android 16—
Process node6 nm6 nm

Memory & Storage

Memory & Storage specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
RAM4GB, 6GB, 8GB6GB, 8GB, 12GB
Storage128GB, 256GB128GB, 256GB
Expandable storagemicroSDXC (uses shared SIM slot)microSDXC
Memory configurations128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Storage technology—UFS 2.2

Cameras

Cameras specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
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)16 MP, f/2.4, (wide)
Rear camera featuresLED flash, HDRLED flash, HDR, panorama
Rear camera video1080p@30fps1080p@30/60/120fps
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 Pro 5G 256GB
BatterySi/C Li-Ion 7000 mAhMarket-dependent versions: · Si/C Li-Ion 7000 mAh - version 1 · 6500 mAh - version 2
Charging33W wired80W wired, 33W PPS, 13.5W PD 5W reverse wired
Battery technologySi/C Li-IonSi/C Li-Ion (version 1; market dependent)
Reverse charging—5W reverse wired

Software

Software specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
Operating systemAndroid 15, upgradable to Android 16, HyperOS 3Android 15, ColorOS 15

Network

Network specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
NetworkGSM / HSPA / LTEGSM / HSPA / LTE / 5G
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1,2; HSDPA 900 / 2100 - version 3
4G bandsLTE1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66 - version 1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 42, 48, 66 - version 2; 1, 3, 5, 8, 40 - version 3
Network speedHSPA, LTEHSPA, LTE, 5G
5G bands—1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA - version 1; 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA - version 2; 1, 3, 5, 8, 40 SA/NSA - version 3

Connectivity

Connectivity specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
NFCYes (market/region dependent)Yes (market/region dependent)
Bluetooth5.0, A2DP, LE5.4, A2DP, LE, aptX HD
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, BDS, QZSS
RadioNo—
USBUSB Type-C 2.0USB Type-C 2.0, OTG
InfraredYes—

Durability

Durability specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
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 Pro 5G 256GB
SensorsFingerprint (side-mounted), accelerometer, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
ColorsMidnight Black, Titan Gray, Sandy PurpleLunar Titanium, Stellar Blue, Coral Pink, Rosewood Red

Audio

Audio specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
LoudspeakersYesYes, with stereo speakers
3.5 mm headphone jackNoNo

EU label

EU label specifications comparison
SpecificationRedmi 15 4GOPPO A6 Pro 5G 256GB
EnergyClass BClass A
Battery62:06h endurance, 1000 cycles69:15h endurance, 1600 cycles
Free fallClass A (270 falls)Class A (270 falls)
RepairabilityClass CClass B

Similarities

  • Both support Wi-Fi 5.
  • Both have NFC.
  • Both charge over USB-C.
  • Both take two SIM cards.
  • Both run Android 15.
  • Both offer up to 256 GB of storage.

In summary

For most buyers the OPPO A6 Pro 5G is the better buy; the Redmi 15 4G makes sense if you want a larger 6.9-inch 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 ↗Redmi Note 17 Pro 5GFor OPPO A6 Pro 5G 256GBRedmi Note 17 Pro 5GView product ↗Samsung Galaxy A56 5GFor OPPO A6 Pro 5G 256GBSamsung Galaxy A56 5GView product ↗

Related comparisons

Redmi 15 5GOppo A6 Pro 4GOPPO A6 Pro 5G 256GBRedmi Note 17 Pro 5GSamsung Galaxy A56 5GOPPO A6 Pro 5G 256GBOppo A6 Pro 4GOPPO A6 Pro 5G 256GBMotorola G86 Power 5GOPPO A6 Pro 5G 256GBOppo A6 Pro 4GOppo A6 4GHonor 600 Lite 5GOPPO A6 Pro 5G 256GBSamsung Galaxy A56 5GRedmi Note 17 Pro 5GMotorola G86 Power 5GRedmi Note 17 Pro 5G
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