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Realme 15

Realme 15 Comparison & Specs

Realme 15

  • Dimensity 7300

    4 nm

  • 7000 mAh

    80W

  • 6.8"

    1280 x 2800 pixels

  • 50 MP

    4K@30fps

  • Specs

vivo Y400

vivo Y400 Comparison & Specs

vivo Y400

  • Snapdragon 4 Gen 2

    4 nm

  • 6000 mAh

    90W

  • 6.67"

    1080 x 2400 pixels

  • 50 MP

    1080p@30fps

  • Specs vivo Y400 Amazon Link
Realme 15 Comparison & Specs

Realme 15

vivo Y400 Comparison & Specs

vivo Y400

vivo Y400 Amazon Link
General
Launch Date
July 24, 2025
August 04, 2025
Availability
Available Now
Available Now
OS
Android 15
Android 15
Custom UI
Realme UI 6.0
Funtouch 15
OS Updates
2 Years
2 Years
Security Updates
3 Years
3 Years
AI Features
AI Edit Genie, AI Party Mode, AI MagicGlow 2.0 and more
AI Image Studio, AI Erase 2.0, AI Transcript Assist, AI Note Assist, AI Documents, Circle to Search, Focus Mode, Screen Translation and more
Body
Dimensions
162.3 x 76.2 x 7.66 mm
162.3 x 75.3 x 7.9 mm
Thickness
7.66 mm
7.9 mm
Weight
187 g
197 g
Build Details
Plastic Back, Plastic Frame
IP Rating
IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), MIL-STD-810H compliant*, also IP68 rated)
IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), MIL-STD-810H compliant*, also IP68 rated)
Display
Size
6.8 inches
6.67 inches
Type
OLED, 1B colors, PWM
AMOLED
Refresh Rate
144 Hz
120 Hz
Peak Brightness
6500 nits
1800 nits
Resolution
1280 x 2800 pixels
1080 x 2400 pixels
Pixel Density
453 ppi
395 ppi
Aspect Ratio
19.5:9
20:9
Screen to Body Ratio
91.2 %
87.9 %
Protection
Gorilla Glass 7i
Performance
Chipset¹
Mediatek Dimensity 7300
Qualcomm Snapdragon 4 Gen 2
Process Size
4 nm
4 nm
CPU
Octa-core
4x2.6 GHz Cortex-A78
4x2.0 GHz Cortex-A55
Octa-core
2x2.2 GHz Cortex-A78
6x1.95 GHz Cortex-A55
GPU
Mali-G615 MC2
Adreno 613
RAM & Storage
8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
12GB 512GB (UFS 3.1)
8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
No
Yes
Camera
Main Camera
50 MP
f/1.8, 24mm (wide), 1/1.95", 0.8µm, Sony IMX882, PDAF, OIS

8 MP
f/2.2, 112˚, 16mm (ultrawide), 1/4.0", 1.12µm
50 MP
f/1.8, (wide), 1/1.95", 0.8µm, PDAF

2 MP
f/2.4, (depth)
OIS
Yes
No
Features
LED flash, HDR, panorama
Ring-LED flash, panorama, HDR
Video Recording
4K@30fps
1080p@30fps, gyro-EIS, OIS
1080p@30fps
Selfie Camera
50 MP
f/2.4 , 87˚ (wide), 1/2.8", 0.6µm
32 MP
f/2.45, (wide), 1/3.1", 0.7µm
Selfie Features
Panorama
Selfie Video Recording
4K@30fps
1080p@30fps
1080p@30fps
Connectivity
SIM
Dual SIM
SIM1: Nano, SIM2: Nano
Dual SIM
SIM1: Nano, SIM2: Nano (Hybrid)
SIM 1
9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78
8 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N77, N78
SIM 2
9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78
8 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N77, N78
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 6
Wi-Fi 5
Wi-Fi Details
802.11 a/b/g/n/ac/ax 5GHz
802.11 a/b/g/n/ac 5GHz
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0
USB Type-C 2.0, OTG
Bluetooth
5.4
5.0
NFC
No
No
GPS
Yes with Glonass
Yes with Glonass
Infrared
No
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
7000 mAh
6000 mAh
Type
Li-Ion
Li-Ion
Removable
No
No
Wired charging
80W
90W
Charging Speed
50% in 25 min
50% in 20 min
Wireless Charging
No
No
Reverse Wireless Charging
No
No
Charger in the Box
Yes
Yes
Sound
Stereo Speakers
Yes
Yes
3.5mm Headphone Jack
No
No
FM Radio
No
No
Extra Features
Sensors
Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass
Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass
Colors and Pricing
Colors
Flowing Silver, Silk Pink, Velvet Green
Glam White, Olive Green
Price in India
₹25999
₹21999
vivo Y400 Amazon Link
FAQs

In this performance comparison, the Realme 15 with its Mediatek Dimensity 7300 (4nm) performs better than the vivo Y400 with the Qualcomm Snapdragon 4 Gen 2 (4nm), thanks to superior chipset efficiency.

Both Realme 15 and vivo Y400 offer the same software support — 2 years of OS updates and 3 years of security updates.

Both Realme 15 and vivo Y400 feature AMOLED displays, offering vibrant colors and deeper blacks. In terms of smoothness, Realme 15 offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. Realme 15 also boasts a brighter screen with 6500 nits of peak brightness, enhancing outdoor visibility. Notably, Realme 15 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Realme 15 comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. vivo Y400 also supports faster wired charging at 90W, compared to 80W on Realme 15.

Both phones feature the same IP69 rating for water and dust resistance.

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.