realme P4 vs vivo Y21 5G

Comparing the realme P4 vs vivo Y21 5G across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: realme P4 runs at a higher processing speed of 2.6 GHz, while vivo Y21 5G runs at 2.4 GHz, making realme P4 the better performer.

Display: realme P4 offers a screen size of 6.77 inches, while vivo Y21 5G offers 6.74 inches, making realme P4 the larger display of the two. realme P4 features a Hyper Glow AMOLED display compared to vivo Y21 5G's LCD, making realme P4 the better display of the two.

Rear Camera: Both realme P4 and vivo Y21 5G feature a 50 MP primary rear camera.

Front Camera: realme P4 offers a higher front camera resolution with 16 MP, while vivo Y21 5G offers 5 MP, making realme P4 better for front camera photography.

Battery: realme P4 offers a higher battery capacity with 7000 mAh, while vivo Y21 5G offers 6500 mAh, making realme P4 better for longer battery life.

Storage: Both realme P4 and vivo Y21 5G offer the same internal storage of 128 GB.

User Rating: realme P4 receives a higher user rating of 4.4, while vivo Y21 5G has a rating of 4.1.

realme P4

₹20,999

(Out of Stock)

vivo Y21 5G

₹20,999

@ Amazon

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Summary

Spec Score

83%

75%

Release Date

20 Aug, 2025

26 Mar, 2026

Performance


MediaTek Dimensity 7400 Ultra	MediaTek Dimensity 6300
Octa Core (upto 2.6 GHz)	Octa Core (upto 2.4 GHz)
6 GB RAM	4 GB RAM

Display


6.77 inches (17.2 cm)	6.74 inches (17.12 cm)
Hyper Glow AMOLED	LCD
1080x2392 px (FHD+)	1600x720 px (QHD (2k))
144 Hz Refresh Rate	120 Hz Refresh Rate

Rear Camera


50 MP Wide Angle Primary Camera	50 MP Primary Camera
8 MP Ultra-Wide Angle Camera	0.08 MP Camera

Front Camera


16 MP Wide Angle Lens	5 MP

Battery


7000 mAh	6500 mAh
80W Ultra Charging	44W
No Wireless Charging	N/A

Storage

128 GB	128 GB
UFS 3.1	UFS 2.2

Expert Review

8.1/10

Read Expert Review

N/A

Pros

Sleek & lightweight
Superb performance
Excellent battery life
Snappy software

Device yet to be reviewed

Cons

Oversharpened display
Camera details could be better

Device yet to be reviewed

User Ratings

4.4/5

(22,520 ratings)

4.1/5

(91 ratings)

Benchmarks (The higher, the better)

775,973 AnTuTu Score	N/A
17h 22m Battery Life (PC Mark)	N/A

Compare Prices

Not Available in any store

₹20,999

@ Amazon

Video

2 More Videos

There are no videos available for the device.

User Feedback

General

Launch Date

Aug 20, 2025

(Official)

Mar 23, 2026

(Official)

Operating System

Android v15

Android v16

OS Updates

3 Years

N/A

Security Updates

4 Years

N/A

Custom UI

Realme UI

Origin OS

Performance

Performance Rating

Very Good

Good

Chipset

MediaTek Dimensity 7400 Ultra

MediaTek Dimensity 6300 MT6835

Processor

Octa core

2.6 GHz, Quad core, Cortex A78 2 GHz, Quad core, Cortex A55

Octa core

2.4 GHz, Dual core, Cortex A76 2 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

4 nm

6 nm

Graphics (GPU)

Mali-G615 MC2

Mali-G57 MC2

RAM

6 GB / 8 GB

4 GB / 6 GB / 8 GB

RAM Type

LPDDR4X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

775,973

N/A

Bootup Time (The lower, the better)

27.0 s

N/A

Gaming Test Results

Battery Drain* (The lower, the better)

5.0 %

N/A

Heating* (The lower, the better)

12.7 %

N/A

* after 30 mins of gaming

Display

Display Rating

Excellent

Display Type

Hyper Glow AMOLED

LCD

Screen Size

6.77 inches (17.2 cm)

6.74 inches (17.12 cm)

Resolution

1080x2392 px (FHD+)

1600x720 px (QHD (2k))

Peak Brightness

4500 nits

N/A

HBM Brightness

1600 nits

1200 nits

Refresh Rate

144 Hz

120 Hz

Aspect Ratio

19.9:9

20:9

Pixel Density

387 ppi

260 ppi

Screen to Body Ratio (calculated)

89.28 %

85.03 %

Bezel-less Display

Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+

N/A

Screen to Body Ratio (claimed by the brand)

94 %

N/A

Design

Height

163.34 mm

167.40 mm

Width

75.88 mm

77.10 mm

Thickness

7.58 mm

8.39 mm

Weight

185 grams

209 grams

Build Material

N/A	Back: Plastic

Water Resistance

Yes Water resistant IP66 IP65

Yes Water resistant IP65

Ruggedness

Dust proof

Rear Camera

Rear Camera Rating

Very Good

Good

Resolution

50 MP
Primary Camera10x Digital Zoomf/1.8 Wide Angle 76° field-of-view27 mm focal length 1/2.88" sensor size OV50D CMOS image sensor Exmor-RS CMOS Sensor 0.61µm pixel size

50 MP
Primary Cameraf/1.8

8 MP
f/2.2 Ultra-Wide Angle Camera16 mm focal length 1/4.0" sensor size 1.12µm pixel size

0.08 MP
f/3.0

Autofocus

Yes Phase Detection Autofocus

Yes

OIS

N/A

Flash

Yes LED Flash

Yes

Image Resolution

8192 x 6144 Pixels

N/A

Settings

Exposure compensation ISO control

N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

N/A

Camera Features

10 x Digital Zoom
Auto Flash
Face detection
Touch to focus

N/A

Video Recording

4k @30 fps
Full HD @120 fps
HD @240 fps

N/A

Video Recording Features

Dual Video Recording
Slow Motion

N/A

Front Camera

Front Camera Rating

Very Good

Good

Resolution

16 MP
f/2.4 Wide Angle Primary Camera23 mm focal length 1/3.09" sensor size 1µm pixel size

5 MP
f/2.2 Primary Camera

Autofocus

N/A

Flash

N/A	Yes Screen flash

Video Recording

Full HD @30 fps
HD @30 fps

N/A

Battery

Battery Rating

Excellent

Very Good

Capacity

7000 mAh

6500 mAh

Battery Type

Li-Polymer

Li-ion

TalkTime

Up to 56.3 Hours(2G)

N/A

Quick Charging

Yes 80W Ultra Charging 50% in 25 minutes

Yes 44W 100% in 73 minutes

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

17h 22m

N/A

Charging Time (20% to 100%) (The lower, the better)

0h 59m 0s

N/A

Storage

Internal Storage

128 GB / 256 GB

128 GB

Storage Type

UFS 3.1

UFS 2.2

Expandable Storage

No	Yes Up to 2 TB

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano

SIM1: Nano SIM2: Nano (Hybrid)

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66 / N71
TDD N38 / N40 / N41 / N77 / N78

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)

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 1700(band 66) / 2100(band 1) / 600(band 71) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 19) / 800(band 20)

SIM 2

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66 / N71
TDD N38 / N40 / N41 / N77 / N78

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)

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 19) / 800(band 20) / 600(Band 71) / 1700(band 66)