Oppo K13x vs Xiaomi Mi Max

Key Specs

Battery
-	4850 mAh
Display
-	6.4 inches (16.26 cm)
Front Camera
-	5 MP
Processor
-	Qualcomm Snapdragon 650 MSM8956
RAM
-	3 GB
Rear Camera
-	16 MP

Audio

Audio Jack
3. 5 mm	-
Loudspeaker
Yes	-

Battery

Capacity
6000 mAh	4850 mAh
Quick Charging
Yes, 45W Fast charging	-
Removable
No	No
Type
Li-ion	Li-Polymer
USB Type-C
-	No

Camera

Flash
Yes, LED	-
Front Camera
8 MP	-
Rear Camera
50 MP + 2 MP	-
Video Recording
1080p @ 60 fps FHD, 720p @ 30 fps HD	-

Design

Build Material
-	Case: Metal Back: Metal
Colours
Midnight Violet, Sunset Peach	Gold, Grey, Silver
Height
-	173.1 mm
Ruggedness
Dust Proof	-
Thickness
-	7.5 mm
Water Resistance
1.18 m upto 1.05 min	-
Weight
194 gram	203 grams Below
Width
-	88.3 mm

Not sure which
mobile to buy?

Dimensions

Dimensions
76.2 x 165.7 x 7.9 mm	-
Height
165.7 mm	-
Thickness
7.9 mm	-
Width
76.2 mm	-

Display

Aspect Ratio
20:9	-
Brightness
850 nits	-
Display Type
LCD Screen	IPS LCD
Pixel Density
264 PPI	344 ppi
Refresh Rate
120 Hz	-
Resolution
720 x 1604 pixels	1080x1920 px (FULL HD)
Screen Protection
-	Corning Gorilla Glass v3
Screen Size
6.67 inches	6.4 inches (16.26 cm)
Screen to Body Ratio (calculated)
-	73.7 %
Screen to Body Ratio (claimed by the brand)
84.9%	-
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
-	No
Flash
-	No
Resolution
-	5 MP f/2.0, Primary Camera

General

Brand
Oppo	Xiaomi
Custom UI
ColorOS 15	MIUI
Launch Date
June 23, 2025	July 6, 2016
Model
K13x	-
Operating System
Android v15	Android v6.0.1 (Marshmallow)

Main Camera

Autofocus
-	Yes, Phase Detection autofocus
Camera Features
-	Digital Zoom Auto Flash Digital image stabilization Face detection Touch to focus
Camera Setup
-	Single
Flash
-	Yes, Dual-color LED Flash
Image Resolution
-	4616 x 3464 Pixels
OIS
-	No
Resolution
-	16 MP f/2.0, Primary Camera
Sensor
-	CMOS image sensor
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	1920x1080 @ 30 fps 1280x720 @ 120 fps

Multimedia

Audio Jack
-	3.5 mm
FM Radio
-	Yes
Loudspeaker
-	Yes

Network & Connectivity

Bluetooth
Yes, v5.4	Yes, v4.2
GPS
Yes, with BeiDou: B1I; GPS: L1; GLONASS: G1; Galileo: E1; QZSS: L1	Yes with A-GPS, Glonass
NFC
-	No
Network Support
4G.5G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 0.836 W/kg, Body: 0.661 W/kg
SIM 1
5G Bands: n1/n3/n5/n8/n28B/n40/n41/n77/n78	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
5G Bands: n1/n3/n5/n8/n28B/n40/n41/n77/n78	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
Nano+Nano SIM	SIM1: Micro, SIM2: Nano (Hybrid)
SIM Slot(s)
Dual Sim, GSM+GSM (Hybrid Slot)	Dual SIM, GSM+GSM
USB Connectivity
-	microUSB 2.0
VoLTE
Yes	Yes
Wi-Fi
Yes, with wifi-hotspot	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Features
-	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Hexa Core (1.8 GHz, Dual core, Cortex A72 + 1.4 GHz, Quad core, Cortex A53)
Chipset
-	Qualcomm Snapdragon 650 MSM8956
Graphics
-	Adreno 510
Processor
Mediatek Dimensity 6300	-
RAM
4 GB /6 GB / 8GB	3 GB
RAM Type
LPDDR4X	LPDDR3
RAM type
-	LPDDR3

Sensors

Fingerprint Sensor
Yes, Side	Yes
Fingerprint Sensor Position
-	Back
Other Sensors
Accelerometer, Gyro, Proximity, Compass	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
up to 1TB	Yes, Up to 128 GB
Internal Memory
128 GB	32 GB
Storage Type
UFS 2.2	-
USB OTG
-	Yes