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Realme C51s vs Realme C51 vs Asus Zenfone 2 ZE551ML

Key Feature Comparison

5.9

Realme C51s

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6.5

Realme C51

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5.6

Asus Zenfone 2 ZE551ML

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At a Glance

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Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)

Unisoc T612, Mali-G57

Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)

Unisoc T612, Mali-G57

Quad core, 1.8 GHz

Intel Atom Z3560, PowerVR G6430

5000 mAh

Li-Polymer, Normal, 10W

5000 mAh

Li-Polymer, Super VOOC, 33W

3000 mAh

Li-Polymer, Fast

17.12 cm (6.74 inch)

260 ppi

17.12 cm (6.74 inch)

260 ppi, HD

13.97 cm (5.5 inch)

401 ppi, FHD

Dual, 50MP + 0.08MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Dual, 50MP + 0.08MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Single, 13MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

17.12 cm (6.74 inch)
17.12 cm (6.74 inch)
13.97 cm (5.5 inch)

Screen Type

IPS LCD
IPS LCD
IPS LCD

Pixel Density

260 ppi
260 ppi
401 ppi

Aspect Ratio

20:09
20:09
-

Screen to Body Ratio

90.30%
90.30%
70.67%

Screen Design

Waterdrop notch
Waterdrop notch
-

Screen Refresh Rate

90 Hz
90 Hz
-

Screen Resolution

-
720 x 1600 pixels
1080 x 1920 pixels

Screen Quality

-
HD
FHD

Peak Brightness

-
560 nits
-

Phone Variants

6GB 128GB
4GB 64GB, 4GB 128GB
4GB 16GB

Expandable Storage

Yes
Yes
Yes

Expandable Storage Capacity

Yes
Yes, 2 TB
Yes, 128 GB

OTG Support

Yes
Yes
Yes

RAM Type

-
LPDDR4X
LPDDR3

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v13
Android v13
Android v5.0 (Lollipop)

GPU

Mali-G57
Mali-G57
PowerVR G6430

Chipset

Unisoc T612
Unisoc T612
Intel Atom Z3560

CPU

Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Quad core, 1.8 GHz

Custom User Interface

Realme UI
Realme UI
Zen UI

Clock Speed

1.8 GHz
1.8 GHz
1.8 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
12 nm
-

Battery Capacity

5000 mAh
5000 mAh
3000 mAh

Battery Removable

No
No
No

Battery Type

Li-Polymer
Li-Polymer
Li-Polymer

Charger Type

Normal, 10W
Super VOOC, 33W
Fast

USB Type-C

Yes
Yes
No

Fast Charging

Yes
Yes
Yes

Charging Time

-
50 % in 28 minutes
-

Announced On

15-Mar-24
4-Sep-23
5-Jan-15

Market Status

Launched Globally
Available
Out of Stock

Brand

Realme
Realme
Asus

Price Status

Expected
Confirmed
Confirmed

Price

Rs. 9,599
Rs. 8,999
Rs. 16,999

Model Number

-
RMX3830
-

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Micro, SIM2: Micro

Wi-Fi

Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz, MIMO
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz, MIMO
Yes, Wi-Fi 802.11, a/ac/b/g/n

Bluetooth Type

v5.0
v5.0
v4.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes
-

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, 4G Speed: 50 Mbit/s 150 Mbit/s (LTE category ...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz...

NFC

-
No
Yes

FM Radio

-
No
Yes, RDS

eSIM

-
No
No

Front Video Recording

1280x720 @ 30 fps
1280x720 @ 30 fps
-

Front Camera Features

Fixed Focus
Fixed Focus
Fixed Focus

Front Camera Setup

Single, 5MP
Single, 5MP
Single, 5MP

Front Flash

Yes, Screen flash
Yes, Screen flash
No

Front Camera 1 Resolution

-
5 MP
5 MP

Front Camera 1 Type

-
f/2.2, Wide Angle, Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

-
5.0" sensor size, 1.12 micrometre pixel size
-

Front Aperture

-
f/2.2
f/2.0

Weight

186 grams
186 grams
170 grams

Colors

Shiny Green, Mighty Black
Mint Green, Carbon Black
Silver

Dimensions

167.2 x 76.7 x 7.9 mm
167.2 x 76.7 x 7.9 mm
152.5 x 77.2 x 10.9 mm

SAR Value

-
Head: 1.183 W/kg, Body: 0.775 W/kg
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, Dual-color LED Flash

Rear Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

10 x Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus
10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Digital image stabilization, Face detection, Touch to focus

Rear Camera Setup

Dual, 50MP + 0.08MP
Dual, 50MP + 0.08MP
Single, 13MP

Rear Camera 1 Resolution

-
50 MP
13 MP

Rear Camera 1 Type

-
f/1.8, Wide Angle (77 degree field-of-view), Primary Camera
f/2.0 Primary Camera

Rear Camera 1 Lens

-
27 mm focal length, 2.7" sensor size, 0.64 micrometre pixel size
-

Rear Camera 2 Resolution

-
0.08 MP
-

Rear Camera 2 Type

-
f/3.0, Depth Camera
-

Rear Camera 2 Lens

-
61 mm focal length
-

Rear Sensor

-
S5KJN1, ISO-CELL
CMOS image sensor

Rear Aperture

-
f/1.8
f/2.0

Fingerprint Scanner

Yes
Yes
No

Fingerprint Scanner Position

Side
Side
-
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