Key Feature Comparison
At a Glance
Show differences only
Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.4 GHz, Dual core, Cortex A78 + 2 GHz, Hexa Core, Cortex A55)
5000 mAh
4310 mAh
6.72 inches
6.43 inches
Dual, 50MP + 2MP
Quad, 48MP + 8MP + 2MP + 2MP
5G
5G
Detailed Specs
Screen Size
6.72 inches
6.43 inches
Screen Type
IPS LCD
AMOLED
Screen Resolution
1080 x 2400 pixels
1080 x 2400 pixels
Pixel Density
392 ppi
409 ppi
Aspect Ratio
20:09
20:09
Screen to Body Ratio
91.40%
90.80%
Screen Design
Punch hole
Punch hole
Screen Refresh Rate
120 Hz
-
Screen Quality
FHD
FHD
Peak Brightness
800 nits
800 nits
Phone Variants
4GB 128GB, 6GB 128GB, 8GB 128GB
8GB 128GB
Expandable Storage
Yes
Yes
RAM Type
LPDDR4
LPDDR4X
Storage Type
UFS 2.2
-
Expandable Storage Capacity
Yes, 2 TB
256 GB
OTG Support
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Geomagnetic sensor, Light sensor, Proximity sensor, Accelerometer, Gravity sensor, Gyroscope
Operating System
Android v14
Android v11
GPU
Mali-G57 MC2
Mali-G57 MC3
Chipset
MediaTek Dimensity 6100 Plus
MediaTek Dimensity 800U MT6853V
CPU
Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.4 GHz, Dual core, Cortex A78 + 2 GHz, Hexa Core, Cortex A55)
Custom User Interface
Realme UI
ColorOS
Clock Speed
2.2 GHz
2.6 GHz
Architecture
64 bit
64 bit
Process Technology
6 nm
7 nm
Battery Capacity
5000 mAh
4310 mAh
Battery Removable
No
No
Battery Type
Li-Polymer
Li-ion
Charger Type
Super VOOC, 45W
Flash, 50W
USB Type-C
Yes
Yes
Fast Charging
Yes
Yes
Charging Time
50 % in 30 minutes
-
Announced On
2-Apr-24
08-Mar-21
Market Status
Available
Available
Brand
Realme
OPPO
Model Number
RMX3998
CPH2159
Price Status
Confirmed
Confirmed
Price
Rs. 11,999
Rs. 25,990
GPS
Yes A-GPS, Glonass
A-GPS, Glonass
NFC
No
No
Network Support
5G
5G
Bluetooth
Yes
Yes
FM Radio
No
-
3.5mm Audio Jack
Yes
Yes
SIM Size
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi 802.11, a/ac/b/g/n
Bluetooth Type
v5.3
v5.0
Audio Jack
3.5 mm
3.5 mm
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
eSIM
No
No
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
VoLTE
Yes
Yes
SIM 1 Bands
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41, 4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 850 / 900 M...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
SIM 2 Bands
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41, 4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 850 / 900 M...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
Front Video Recording
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
Front Camera Features
Fixed Focus
-
Front Camera Setup
Single, 8MP
Single, 16MP
Front Camera 1 Resolution
8 MP
16 MP
Front Camera 1 Type
f/2.0, Wide Angle, Primary Camera
f/2.4, Wide Angle Primary Camera
Front Camera 1 Lens
25 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
Front Aperture
f/2.0
f/2.4
Front Flash
Yes, Screen flash
-
Weight
188 grams
173 grams
Colors
Twilight Purple, Woodland Green
Fluid Black, Space Silver
Dimensions
165.6 x 76.1 x 7.69 mm
160.1 x 73.4 x 7.8 mm
SAR Value
Head: 1.08 W/kg, Body: 0.96 W/kg
Head: 1.161 W/kg, Body: 0.730 W/kg
Rear Flash
Yes, LED Flash
LED Flash
Rear Video Recording
1920x1080 @ 30 fps, 1280x720 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
Rear Camera Features
10 x Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Dual, 50MP + 2MP
Quad, 48MP + 8MP + 2MP + 2MP
Rear Camera 1 Resolution
50 MP
48 MP
Rear Camera 1 Type
f/1.8, Wide Angle (80 degree field-of-view), Primary Camera
f/1.7, Wide Angle (79degree field-of-view) Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2.76" sensor size, 0.64 micrometre pixel size
-
Rear Camera 2 Resolution
2 MP
8 MP
Rear Camera 2 Type
f/2.4
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
22 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size
-
Rear Sensor
S5KJN1, CMOS image sensor, ISO-CELL
-
Rear Aperture
f/1.8
f/1.7
Rear Camera 3 Resolution
-
2 MP
Fingerprint Scanner
Yes
Yes
Fingerprint Scanner Position
Side
On-Screen
Face Unlock
-
Yes
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