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Redmi 15

Redmi 15 Comparison & Specs

Redmi 15

  • Snapdragon 6s Gen 3

    6 nm

  • 7000 mAh

    33W

  • 6.9"

    1080 x 2340 pixels

  • 50 MP

    1080p@30fps

  • Specs

vivo T4 Ultra

vivo T4 Ultra Comparison & Specs

vivo T4 Ultra

  • Dimensity 9300+

    4 nm

  • 5500 mAh

    90W

  • 6.67"

    1260 x 2800 pixels

  • 50 MP

    4K@30fps

  • Specs
Redmi 15 Comparison & Specs

Redmi 15

vivo T4 Ultra Comparison & Specs

vivo T4 Ultra

General
Launch Date
August 19, 2025
June 11, 2025
Availability
August 28
Available Now
OS
Android 15
Android 15
Custom UI
HyperOS 2.2
Funtouch 15
OS Updates
2 Years
3 Years
Security Updates
4 Years
4 Years
AI Features
Circle to Search, Gemini Live, AI Erase and more
Circle to Search, AI Eraser, AI Note Assist, AI Transcript Assist, and AI Call Translation
Body
Dimensions
169.5 x 80.5 x 8.4 mm
160.6 x 75 x 7.5 mm
Thickness
8.4 mm
7.5 mm
Weight
217 g
192 g
Build Details
Plastic Back
Mineral Glass
IP Rating
IP64 (dust tight and water resistant (water splashes))
IP64 (dust tight and water resistant (water splashes))
Display
Size
6.9 inches
6.67 inches
Type
IPS LCD
AMOLED, 1B colors
Refresh Rate
144 Hz
120 Hz
Peak Brightness
850 nits
5000 nits
Resolution
1080 x 2340 pixels
1260 x 2800 pixels
Pixel Density
374 ppi
460 ppi
Aspect Ratio
19.5:9
20:9
Screen to Body Ratio
85.7 %
89.2 %
Performance
Chipset¹
Qualcomm Snapdragon 6s Gen 3
Mediatek Dimensity 9300+
Process Size
6 nm
4 nm
CPU
Octa-core
2x2.3 GHz Cortex-A78
6x2.0 GHz Cortex-A55
Octa-core
1x3.4 GHz Cortex-X4
3x2.85 GHz Cortex-X4
4x2.0 GHz Cortex-A720
GPU
Adreno 619
Immortalis-G720 MC12
RAM & Storage
6GB 128GB (UFS 2.2)
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
12GB 512GB (UFS 3.1)
RAM Type
LPDDR4X
LPDDR5
Expandable Memory
Yes
No
Camera
Main Camera
50 MP
f/1.75, (wide), 1/2.88" 0.61μm, PDAF
Auxiliary lens
50 MP
Sony IMX921, f/1.9, 23mm (wide), 1/1.56", PDAF, OIS

50 MP
Sony IMX882, f/2.6, 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF (15cm - ∞), OIS, 3x optical zoom

8 MP
GalaxyCore GC08A8, f/2.2, (ultrawide)
OIS
No
Yes
Features
LED flash, HDR
Ring-LED flash, panorama, HDR
Video Recording
1080p@30fps
4K@30fps
1080p
Video Recording Features
gyro-EIS
Selfie Camera
8 MP
f/2.2, (wide)
32 MP
GalaxyCore GC32E1, f/2.45, (wide)
Selfie Features
HDR
Selfie Video Recording
1080p@30fps
4K@30fps
Connectivity
SIM
Dual SIM (Nano + Nano (Hybrid))
Dual SIM
SIM1: Nano, SIM2: Nano
5G Support
Yes

7 5G bands
n1, n3, n5, n8, n28, n40, n78
Yes

13 5G bands
n1, n3, n5, n7, n8, n26, n28, n38, n40, n41, n66, n77, n78
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 6
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 a/b/g/n/ac/ax 5GHz
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
Bluetooth
5.1
5.4
NFC
No
Yes
GPS
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
Infrared
Yes
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
7000 mAh
5500 mAh
Type
Silicon Carbon
Si/C Li-Ion
Removable
No
No
Wired charging
33W
90W
Reverse Wired Charging
15W
No
Wireless Charging
-2W
No
Reverse Wireless Charging
No
No
Charger in the Box
Yes
Yes
Sound
Stereo Speakers
No
Yes
3.5mm Headphone Jack
No
No
FM Radio
No
No
Extra Features
Sensors
Side-mounted fingerprint sensor, accelerometer, compass
Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass
Others
Virtual proximity sensing
Colors and Pricing
Colors
Midnight Black, Frosted White, Sandy Purple
Phoenix Gold, Meteor Grey
Price in India
₹14999
₹37999
FAQs

In this performance comparison, the vivo T4 Ultra with its Mediatek Dimensity 9300+ (4nm) performs better than the Redmi 15 with the Qualcomm Snapdragon 6s Gen 3 (6nm), thanks to superior chipset efficiency.

vivo T4 Ultra offers 3 years of OS updates, whereas Redmi 15 provides 2 years. Both phones receive the same 4 years of security updates.

vivo T4 Ultra features a superior AMOLED display, while Redmi 15 comes with an LCD panel. In terms of smoothness, Redmi 15 offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. vivo T4 Ultra also boasts a brighter screen with 5000 nits of peak brightness, enhancing outdoor visibility. Notably, vivo T4 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Redmi 15 comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. vivo T4 Ultra also supports faster wired charging at 90W, compared to 33W on Redmi 15. Redmi 15 supports wireless charging at -2W, while vivo T4 Ultra does not support wireless charging.

Both phones feature the same IP64 rating for water and dust resistance.

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