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  3. A6 4G vs Redmi Note 15 4G

OPPO A6 4G vs Xiaomi Redmi Note 15 4G

What A6 4G does better (5) and where Redmi Note 15 4G wins (13) — every spec side by side.

OPPO A6 4G
OPPO · 2026A6 4G
7.6Score
5 advantages≈ $240
Higher score
vs
Xiaomi Redmi Note 15 4G
Xiaomi · 2026Redmi Note 15 4G
7.5Score
13 advantages≈ $205
6.4Display8.5
4.6Camera6.4
8.8Battery7.9
6.7Features5.8
Dimensions

Size comparison

A6 4GRedmi Note 15 4G
78.5 × 166.68.675.4 × 1647.9
A6 4GRedmi Note 15 4GDifference
Height166.6 mm164 mm+2.6 mm
Width78.5 mm75.4 mm+3.1 mm
Thickness8.6 mm7.9 mm+0.7 mm
Weight215 g184 g+31 g

Drawn to the same scale from the official dimensions (front and side).

Why is A6 4G better than Redmi Note 15 4G?

  1. Water resistance (IPx)IPx8 vs IPx42×
  2. Battery capacity7,000 mAh vs 6,000 mAh+17%
  3. Wired charging45 W vs 33 W+36%
  4. CPU frequency2.8 GHz vs 2.2 GHz+27%
  5. Energy classA vs B

Why is Redmi Note 15 4G better than A6 4G?

  1. Main camera50 MP vs 108 MP2.2×
  2. Peak brightness1,125 nits vs 3,200 nits2.8×
  3. OLED panelNo · A6 4G: Yes
  4. Storage (max)256 GB vs 512 GB2×
  5. Pixel density256 ppi vs 388 ppi+52%
  6. Selfie camera8 MP vs 20 MP2.5×
  7. Weight215 g vs 184 g+17%
  8. Resolution (width)720 px vs 1,080 px+50%
  9. Thickness8.6 mm vs 7.9 mm+9%
  10. Bluetooth5 vs 5.3+6%
  11. Main camera aperturef/1.8 vs f/1.7+6%
  12. Charged in 30 min36% vs 38%+6%
Specifications

Side by side

OPPO A6 4GOPPO A6 4G≈ $2407.6
Xiaomi Redmi Note 15 4GXiaomi Redmi Note 15 4G≈ $2057.5
Design
Weight215 g184 g
Thickness8.6 mm7.9 mm
Height166.6 mm164 mm
Width78.5 mm75.4 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP68IP64
Water resistance (IPx)IPx8IPx4
Glass protection—Gorilla Glass 5
ColoursSapphire Blue, Aurora GoldBlack, Forest Green, Glacier Blue, Purple
Display
Screen size6.8″6.8″
PanelIPS LCDAMOLED
OLED panelNoYes
Resolution (width)720 px1,080 px
Resolution (height)1,570 px2,392 px
Pixel density256 ppi388 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,125 nits3,200 nits
Measured brightness—1,144 nits
Screen-to-body ratio85.2%89.7%
HDR—Yes
Performance
ChipsetQualcomm SM6225 Snapdragon 685Mediatek Helio G100 Ultra
Chip makerQualcommMediaTek
Process6 nm6 nm
CPU cores88
CPU frequency2.8 GHz2.2 GHz
GPUAdreno 610Mali-G57 MC2
AnTuTu score—581,234
Geekbench 6 (multi-core)—1,705
Memory
RAM8 GB8 GB
Storage (max)256 GB512 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.2UFS 2.2
Memory card slotYesYes
Camera
Main camera50 MP108 MP
Main camera aperturef/1.8f/1.7
Main sensor size—1/1.67"
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP20 MP
4K selfie videoNoNo
Battery
Battery capacity7,000 mAh6,000 mAh
Battery typeSi/CLi-Po
Wired charging45 W33 W
Charged in 30 min36%38%
Wireless chargingNoNo
Reverse wireless chargingYes—
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55.3
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared port—Yes
Satellite navigationGLONASS, GALILEO, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorSideUnder display
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass, proximity
SAR (head)—0.98 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceColorOS 15HyperOS 2
Major OS updates promised—4
EU label
Energy classAB
Battery charge cycles—1,000
Endurance per cycle—55 h
Repairability class—C
Drop resistance class—A
To compare: 0up to 4 models
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