realme 15 vs vivo Y400

realme 15

₹22,999

@ Amazon

vivo Y400

₹21,999

@ Amazon

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Summary

Spec Score

88%

83%

Release Date

29 Jul, 2025

07 Aug, 2025

Performance


MediaTek Dimensity 7300 Plus	Snapdragon 4 Gen 2
Octa Core (upto 2.5 GHz)	Octa Core (upto 2.2 GHz)
8 GB RAM	8 GB RAM

Display


6.8 inches (17.27 cm)	6.67 inches (16.94 cm)
AMOLED	AMOLED
1280x2800 px (FHD+)	1080x2400 px (FHD+)
144 Hz Refresh Rate	120 Hz Refresh Rate

Rear Camera


50 MP Wide Angle Primary Camera	50 MP Wide Angle Primary Camera
8 MP Ultra-Wide Angle Camera	2 MP Depth Camera

Front Camera


50 MP Wide Angle Lens	32 MP Wide Angle Lens

Battery


7000 mAh	6000 mAh
80W Ultra Charging	90W Flash Charging
No Wireless Charging	No Wireless Charging

Storage

128 GB	128 GB
UFS 3.1	UFS 3.1

Expert Review

8.0/10

Read Expert Review

7.6/10

Read Expert Review

Pros

Strong low-light photography
Good selfie performance
Long-lasting battery life

Sleek & durable
Vibrant display colours
Good lowlight cameras

Cons

AI features feel more gimmicky than useful
User interface can feel cluttered

Lacks raw performance
Overexposed images in daylight

User Ratings

4.4/5

(8,759 ratings)

4.4/5

(828 ratings)

Benchmarks (The higher, the better)

728,221 AnTuTu Score	478,134 AnTuTu Score
14h 47m Battery Life (PC Mark)	N/A

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₹22,999

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₹21,999

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Video

1 Video

User Feedback

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General

Launch Date

Jul 29, 2025

(Official)

Aug 07, 2025

(Official)

Operating System

Android v15

OS Updates

3 Year

2 Years

Security Updates

4 Year

3 Years

Custom UI

Realme UI

Funtouch OS

Performance

Performance Rating

Very Good

Chipset

MediaTek Dimensity 7300 Plus

Qualcomm Snapdragon 4 Gen 2 SM4450

CPU

Octa core

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

Octa core

2.2 GHz, Dual core, Cortex A78 1.95 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

4 nm

Graphics (GPU)

Mali-G615 MC2

Adreno 613

RAM

8 GB / 12 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.

728,221

478,134

Bootup Time (The lower, the better)

24.0 s

Gaming Test Results

GFX Score (The higher, the better) GFXBench Manhattan benchmark measures the performance of GPU, which affects gaming experience.

3,325.0

1,415.0

Battery Drain* (The lower, the better)

6.0 %

7.0 %

Heating* (The lower, the better)

3.9 %

13.9 %

* after 30 mins of gaming

Display

Display Rating

Best In Class

Excellent

Display Type

AMOLED (Curved Display)

AMOLED

Screen Size

6.8 inches (17.27 cm)

6.67 inches (16.94 cm)

Resolution

1280x2800 px (FHD+)

1080x2400 px (FHD+)

Peak Brightness

6500 nits

1800 nits

HBM Brightness

1800 nits

1200 nits

Refresh Rate

144 Hz

120 Hz

Aspect Ratio

19.8:9

20:9

Pixel Density

453 ppi

394 ppi

Screen to Body Ratio (calculated)

91.65 %

87.51 %

Screen Protection

Corning Gorilla Glass Glass 7i

N/A

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 %

91.9 %

Design

Height

162.27 mm

162.99 mm

Width

76.16 mm

75.31 mm

Thickness

7.66 mm

7.90 mm

Weight

187 grams

197 grams

Build Material

N/A	Back: Plastic

Water Resistance

Yes Water resistant IP68 IP66 IP69 (up to 30 minutes in a depth of 2 meter)

Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 2 meter)

Ruggedness

Dust proof

Rear Camera

Rear Camera Rating

Very Good

Resolution

50 MP
Primary Camera20x Digital Zoomf/1.8 Wide Angle 79° field-of-view26 mm focal length 1/1.95" sensor size IMX882 CMOS image sensor Exmor-RS CMOS Sensor 0.8µm pixel size

50 MP
Primary Cameraf/1.8 Wide Angle1/1.95" sensor size IMX852 CMOS image sensor Exmor-RS CMOS Sensor 0.8µm pixel size

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

2 MP
f/2.4 Depth Camera

Autofocus

Yes

OIS

Yes

Flash

Yes Dual LED Flash

Yes Dual-color LED Flash + Aura Light

Image Resolution

8192 x 6144 Pixels

8150 x 6150 Pixels

Settings

Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Starry Mode

Continuous Shooting
High Dynamic Range mode (HDR)
SuperMoon

Camera Features

20 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 120 fps
1280x720 @ 240 fps

1920x1080 @ 30 fps

Video Recording Features

Dual Video Recording
Slow Motion

Dual Video Recording

Front Camera

Front Camera Rating

Excellent

Very Good

Resolution

50 MP
f/2.4 Wide Angle Primary Camera22 mm focal length 1/2.8" sensor size 0.6µm pixel size

32 MP
f/2.45 Wide Angle Primary Camera1/3.1" sensor size 0.7µm pixel size

Autofocus

N/A

Flash

Yes Screen flash

N/A

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 30 fps
1280x720 @ 30 fps

1920x1080 @ 30 fps

Compare Camera Samples

Battery

Battery Rating

Excellent

Capacity

7000 mAh

6000 mAh

Battery Type

Li-Polymer

Li-ion

TalkTime

Up to 41.5 Hours(2G)

N/A

Quick Charging

Yes 80W Ultra Charging 50% in 25 minutes

Yes 90W Flash Charging 50% in 20 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.

14h 47m

N/A

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

0h 49m 0s

0h 43m 0s

Storage

Internal Storage

128 GB / 256 GB

Storage Type

UFS 3.1

Expandable Storage

N/A

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano

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 / N8 / N28
TDD N40 / 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 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26)

SIM 2

5G Bands:

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

5G Bands:

FDD N1 / N3 / N5 / N8 / N28
TDD N40 / 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) / 3500(band 42) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26)