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Realme 15T

Realme 15T Comparison & Specs

Realme 15T

  • Dimensity 6400

    6 nm

  • 7000 mAh

    60W

  • 6.57"

    1080 x 2372 pixels

  • 50 MP

    1080p@30/60

  • 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 15T Comparison & Specs

Realme 15T

vivo Y400 Comparison & Specs

vivo Y400

vivo Y400 Amazon Link
General
Launch Date
September 02, 2025
August 04, 2025
Availability
Available Now
Available Now
Operating System (OS)
Android 15
Android 15
Custom UI
Realme UI 6.0
Funtouch 15
OS Updates
3 Years (until Android 18)
2 Years (until Android 17)
Security Updates
4 Years (until 2029)
3 Years (until 2028)
AI Features
AI Edit Genie, Circle to Search, AI Smart Loop 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
158.4 x 75.2 x 7.8 mm
162.3 x 75.3 x 7.9 mm
Thickness
7.8 mm
7.9 mm
Weight
181 g
197 g
Build Details
Plastic Frame, Plastic Back
Plastic Back, Plastic Frame
IP Rating
IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min), 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
6.57 inches
6.67 inches
Type
AMOLED, 1B colors
AMOLED
Refresh Rate
120 Hz
120 Hz
Peak Brightness
4000 nits
1800 nits
Resolution
1080 x 2372 pixels
1080 x 2400 pixels
Pixel Density
401 ppi
395 ppi
Aspect Ratio
19.8:9
20:9
Screen to Body Ratio
86.4 %
87.9 %
Performance
Chipset¹
Mediatek Dimensity 6400 Max
Qualcomm Snapdragon 4 Gen 2
Process Size
6 nm
4 nm
CPU
Octa-core
2x2.5 GHz Cortex-A76
6x2.0 GHz Cortex-A55
Octa-core
2x2.2 GHz Cortex-A78
6x1.95 GHz Cortex-A55
GPU
Mali-G57 MC2
Adreno 613
RAM & Storage
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)
8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
Yes
Yes
Camera
Main Camera
50 MP
f/1.8, 27mm (wide), 1/2.88", OmniVision OV50D40, PDAF

2 MP
f/2.4
50 MP
f/1.8, (wide), 1/1.95", 0.8µm, PDAF

2 MP
f/2.4, (depth)
OIS
No
No
Features
LED flash, HDR, panorama
Ring-LED flash, panorama, HDR
Video Recording
1080p@30/60
gyro-EIS
1080p@30fps
Selfie Camera
50 MP
f/2.4, OmniVision OV50D40
32 MP
f/2.45, (wide), 1/3.1", 0.7µm
Selfie Video Recording
1080p@30fps
1080p@30fps
Connectivity
SIM
Dual SIM (Nano + Nano (Hybrid))
Dual SIM
SIM1: Nano, SIM2: Nano (Hybrid)
5G Support
Yes

9 5G bands
n1, n3, n5, n8, n28, n40, n41, n77, n78
Yes

8 5G bands
n1, n3, n5, n8, n28, n40, n77, n78
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 5
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 a/b/g/n/ac 5GHz
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
Bluetooth
5.3
5.0
NFC
No
No
GPS
Yes with A-GPS, Glonass
Yes with Glonass
Infrared
No
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
7000 mAh
6000 mAh
Type
Si/C Li-Ion
Li-Ion
Removable
No
No
Wired charging
60W
90W
Charging Speed
50% in 31 mins
50% in 20 min
Reverse Wired Charging
10W
No
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
Silk Blue, Suit Titanium, Flowing Silver
Glam White, Olive Green
Price in India
₹20999
₹21998
vivo Y400 Amazon Link
FAQs

In this performance comparison, the vivo Y400 with its Qualcomm Snapdragon 4 Gen 2 chipset scores higher on AnTuTu, offering better overall performance than the Realme 15T.

Realme 15T launched with Android 15 and will receive updates until Android 18, whereas vivo Y400 launched with Android 15 and will get Android 17. Realme 15T will get security updates until 2029 (approx. 4 years), while vivo Y400 is supported till 2028.

Both Realme 15T and vivo Y400 feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Realme 15T also boasts a brighter screen with 4000 nits of peak brightness, enhancing outdoor visibility. Both phones have the same screen resolution.

Realme 15T 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 60W on Realme 15T.

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.