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Realme C73 vs vivo Y21

Realme C73 and vivo Y21 are evenly matched - it comes down to what you need

Realme C73

3.3/10

No price yet

vivo Y21

3.3/10

No price yet

Best for

  • PhotographyRealme C73
  • GamingEither - too close to call
  • Battery lifeEither - too close to call
  • Keeping it for yearsvivo Y21
  • Light and compactRealme C73

Head to head

  • Performance
    2.4
    2.4
  • Gaming
    2.4
    2.7

    vivo Y21 has the stronger graphics for games.

  • Battery life
    2.6
    2.9

    vivo Y21 should last longer: 6,500 mAh against 6,000 mAh, on a 6 nm chip against 6 nm. It also charges faster (44 W vs 15 W).

  • Display
    –
    2.5
  • Camera
    –
    3.1
  • Durability
    –
    1.9
  • Longevity
    3.4
    4.0

    vivo Y21 should get software updates for about 2.4 more years, against about 1.7 for Realme C73.

  • Storage
    8.6
    5.0
  • Connectivity
    4.6
    6.2

    vivo Y21 has NFC, which Realme C73 lacks.

  • Size and weight
    8.1
    5.2

    Realme C73 is lighter: 197 g against 209 g.

  • Extras
    6.6
    8.0

    vivo Y21 has a fm radio; Realme C73 does not.

All specifications
Realme C73
vivo Y21
General
Condition
Available. Released 2025, June 02
Available. Released 2026, March 26
Model
the realme c75x dude and it is simple
V2553, V2554
Operating System
Android 15, Realme UI 6.0
Android 16, OriginOS 6
Release Year
2025
2026
Performance
CPU
Mediatek Dimensity 6300 (6 nm)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Mali-G57 MC2
Processor
–
Mediatek Dimensity 6300 (6 nm)
Display
Brightness
–
1200 nits
Display Type
–
IPS LCD
Refresh Rate
–
120 Hz
Resolution
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
720 x 1600 pixels
Screen Size
6.67"
6.74 in
Camera
Front Camera
32 MP
5 MP
Number of Cameras
–
1
Optical Image Stabilisation
–
No
Rear Camera
–
Dual 50 MP
Video Resolution
1080p@30fps
1080p@30fps
Battery and power
Battery Capacity
6000 mAh
6500 mAh
Charging Port
15W wired 5W reverse wired
44W wired, 50% in 36 min Reverse wired
Charging Wattage
15W
44 W
Wireless Charging
–
No
Memory
RAM
4 GB
4 GB
Storage
Expandable Storage
microSDXC
Yes
Storage Capacity
–
128 GB
Connectivity
2G
900 / 1800 / 1900
900 / 1800 / 1900
2G Bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 2100
4G Bands
1, 3, 5, 8, 28, 40, 41
LTE
5G Bands
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
SA/NSA
Bluetooth
5.3, A2DP, LE
Yes
GPS
–
GPS, GALILEO, GLONASS, BDS, QZSS
Infrared Port
–
Yes
NFC
No
Unspecified
Network Technology
HSPA, LTE, 5G
HSPA, LTE, 5G
SIM Type
–
Nano-SIM + Nano-SIM
Wi-Fi
–
Yes
Sound
Loudspeaker
–
Yes, with stereo speakers
Ports
Headphone Jack
Yes
Yes
USB Type
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
Build and size
Build
–
Glass front, plastic frame, plastic back
Dimensions
6.67 inches, 107.2 cm 2 (~84.9% screen-to-body ratio)
6.74 inches, 109.7 cm 2 (~85.0% screen-to-body ratio)
IP Rating
–
IP65
Thickness
7.9mm
8.4 mm
Weight
197g
209 g
Features
FM Radio
No
Unspecified
Questions people ask

Which is better, Realme C73 or vivo Y21?

Realme C73 and vivo Y21 are evenly matched - it comes down to what you need. Realme C73 wins on storage, plus size and weight; vivo Y21 wins on gaming, battery life, longevity and connectivity.

Which is better for gaming, Realme C73 or vivo Y21?

vivo Y21 has the stronger graphics for games.

Which has the better battery life, Realme C73 or vivo Y21?

vivo Y21 should last longer: 6,500 mAh against 6,000 mAh, on a 6 nm chip against 6 nm. It also charges faster (44 W vs 15 W).

Which will last more years, Realme C73 or vivo Y21?

vivo Y21 should get software updates for about 2.4 more years, against about 1.7 for Realme C73.

Which connects better, Realme C73 or vivo Y21?

vivo Y21 has NFC, which Realme C73 lacks.

Which is lighter, Realme C73 or vivo Y21?

Realme C73 is lighter: 197 g against 209 g.

Which has more extras, Realme C73 or vivo Y21?

vivo Y21 has a fm radio; Realme C73 does not.

Which is better for photography, Realme C73 or vivo Y21?

Realme C73 scores higher for photography.

Which is better for keeping it for years, Realme C73 or vivo Y21?

vivo Y21 scores higher for keeping it for years.

Which is better for light and compact, Realme C73 or vivo Y21?

Realme C73 scores higher for light and compact.

Which is newer, Realme C73 or vivo Y21?

vivo Y21 is the newer of the two, released March 2026.

Scores are out of 10 against products released in the last two years, worked out from published specs. Prices are averages of what three or more sellers quoted.