realme C83 5G vs vivo Y21 5G

Comparing the realme C83 5G 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: Both realme C83 5G and vivo Y21 5G run at the same processing speed of 2.4 GHz.

Display: vivo Y21 5G offers a screen size of 6.74 inches, while realme C83 5G offers 6.7 inches, making vivo Y21 5G the larger display of the two. Both realme C83 5G and vivo Y21 5G feature the same LCD display.

Rear Camera: vivo Y21 5G offers a higher rear camera resolution with 50 MP, while realme C83 5G offers 13 MP, making vivo Y21 5G better for rear camera photography.

Front Camera: Both realme C83 5G and vivo Y21 5G feature a 5 MP primary front camera.

Battery: realme C83 5G offers a higher battery capacity with 7000 mAh, while vivo Y21 5G offers 6500 mAh, making realme C83 5G better for longer battery life.

Storage: realme C83 5G offers higher internal storage with 64 GB, while vivo Y21 5G offers 128 GB, making realme C83 5G the better option for storage.

User Rating: realme C83 5G receives a higher user rating of 4.4, while vivo Y21 5G has a rating of 3.9.

realme C83 5G

₹16,499

@ Amazon

vivo Y21 5G

₹18,999

@ Amazon

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Show Only Differences

Summary

Spec Score

75%

Release Date

07 Mar, 2026

26 Mar, 2026

Performance


MediaTek Dimensity 6300	MediaTek Dimensity 6300
Octa Core (upto 2.4 GHz)	Octa Core (upto 2.4 GHz)
4 GB RAM	4 GB RAM

Display


6.7 inches (17.02 cm)	6.74 inches (17.12 cm)
LCD	LCD
720x1570 px (HD+)	1600x720 px (QHD (2k))
144 Hz Refresh Rate	120 Hz Refresh Rate

Rear Camera


13 MP Primary Camera	50 MP Primary Camera
N/A	0.08 MP Camera

Front Camera


5 MP	5 MP

Battery


7000 mAh	6500 mAh
15W	44W

Storage

64 GB	128 GB
eMMC 5.1	UFS 2.2

Expert Review

8.1/10

Read Expert Review

N/A

Pros

Superb battery life
Strong build quality
Snappy software
Camera produces consistent tones

Device yet to be reviewed

Cons

Heavy weight
Long charging times

Device yet to be reviewed

User Ratings

4.4/5

(470 ratings)

3.9/5

(27 ratings)

Benchmarks (The higher, the better)

561,364 AnTuTu Score	N/A
17h 09m Battery Life (PC Mark)	N/A

Compare Prices

₹16,499

@ Amazon

₹18,999

@ Amazon

User Feedback

General

Launch Date

Mar 06, 2026

(Official)

Mar 23, 2026

(Official)

Operating System

Android v16

OS Updates

1 Year

N/A

Security Updates

2 Year

N/A

Custom UI

Realme UI

Origin OS

Performance

Performance Rating

Good

Chipset

MediaTek Dimensity 6300

MediaTek Dimensity 6300 MT6835

Processor

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)

6 nm

Graphics (GPU)

Mali-G57 MP2

Mali-G57 MC2

RAM

4 GB / 6 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.

561,364

N/A

Bootup Time (The lower, the better)

39.0 s

N/A

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

386

N/A

Battery Drain* (The lower, the better)

5.0 %

N/A

Heating* (The lower, the better)

18.1 %

N/A

* after 30 mins of gaming

Display

Display Rating

Excellent

Display Type

LCD

Screen Size

6.7 inches (17.02 cm)

6.74 inches (17.12 cm)

Resolution

720x1570 px (HD+)

1600x720 px (QHD (2k))

HBM Brightness

N/A

1200 nits

Refresh Rate

144 Hz

120 Hz

Aspect Ratio

20:9

Pixel Density

258 ppi

260 ppi

Screen to Body Ratio (calculated)

N/A

85.03 %

Bezel-less Display

Yes with punch-hole display

Design

Height

N/A

167.40 mm

Width

N/A

77.10 mm

Thickness

N/A

8.39 mm

Weight

212 grams

209 grams

Build Material

N/A	Back: Plastic

Water Resistance

N/A	Yes Water resistant IP65

Ruggedness

N/A	Dust proof

Rear Camera

Rear Camera Rating

Good

Resolution

13 MP
Primary Cameraf/2.2

50 MP
Primary Cameraf/1.8

N/A	0.08 MP f/3.0

Autofocus

Yes

Flash

Yes

Image Resolution

4160 x 3120 Pixels

N/A

Video Recording

Full HD @30 fps

N/A

Front Camera

Front Camera Rating

Good

Resolution

5 MP
f/2.2 Primary Camera

Flash

Yes Screen flash

Battery

Battery Rating

Very Good

Capacity

7000 mAh

6500 mAh

Battery Type

Silicon Carbon

Li-ion

Quick Charging

Yes 15W

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 09m

N/A

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

2h 32m 0s

N/A

Storage

Internal Storage

64 GB / 128 GB

128 GB

Storage Type

eMMC 5.1

UFS 2.2

Expandable Storage

N/A	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

N/A	5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66 / N71 TDD N38 / N40 / N41 / N77 / N78

N/A	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

N/A	5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66 / N71 TDD N38 / N40 / N41 / N77 / N78

N/A	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)