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Nothing Phone (3a)

Nothing Phone (3a) Comparison & Specs

Nothing Phone (3a)

  • Snapdragon 7s Gen 3

    4 nm

  • 5000 mAh

    50W

  • 6.77"

    1080 x 2392 pixels

  • 50 MP

    4K@30fps

  • Specs Nothing Phone (3a) Amazon Link

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
Nothing Phone (3a) Comparison & Specs

Nothing Phone (3a)

Nothing Phone (3a) Amazon Link
Realme 15T Comparison & Specs

Realme 15T

General
Launch Date
March 04, 2025
September 02, 2025
Availability
Available Now
Available Now
OS
Android 15
Android 15
Custom UI
Nothing OS 3.1
Realme UI 6.0
OS Updates
3 Years
3 Years
Security Updates
6 Years
4 Years
AI Features
Circle to Search
AI Edit Genie, Circle to Search, AI Smart Loop and more
Body
Dimensions
163.5 x 77.5 x 8.4 mm
158.4 x 75.2 x 7.8 mm
Thickness
8.4 mm
7.8 mm
Weight
201 g
181 g
Build Details
Glass Back, , 3 LED light strips on the back
Plastic Frame, Plastic Back
IP Rating
IP64 (dust tight and water resistant)
IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min), also IP68 rated)
Display
Size
6.77 inches
6.57 inches
Type
AMOLED, 1B colors, HDR10+, Ultra HDR image support
AMOLED, 1B colors
Refresh Rate
120 Hz
120 Hz
Peak Brightness
3000 nits
4000 nits
Resolution
1080 x 2392 pixels
1080 x 2372 pixels
Pixel Density
387 ppi
401 ppi
Aspect Ratio
20:9
19.8:9
Screen to Body Ratio
88.0 %
86.4 %
Performance
Chipset¹
Qualcomm Snapdragon 7s Gen 3
Mediatek Dimensity 6400 Max
Process Size
4 nm
6 nm
CPU
Octa-core
1x2.5 GHz Cortex-A720
3x2.4 GHz Cortex-A720
4x1.8 GHz Cortex-A520
Octa-core
2x2.5 GHz Cortex-A76
6x2.0 GHz Cortex-A55
GPU
Adreno 710 (940 MHz)
Mali-G57 MC2
RAM & Storage
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
No
Yes
Camera
Main Camera
50 MP
f/1.9, 24mm (wide), 1/1.57", 1.0µm, PDAF, OIS

50 MP
f/2.0, 50mm (telephoto), 1/2.74", 0.64µm, PDAF (25cm - ∞), 2x optical zoom

8 MP
f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm
50 MP
f/1.8, 27mm (wide), 1/2.88", OmniVision OV50D40, PDAF

2 MP
f/2.4
OIS
Yes
No
Features
LED flash, panorama, HDR
LED flash, HDR, panorama
Video Recording
4K@30fps
1080p@30/60/120fps
1080p@30/60
gyro-EIS
Selfie Camera
32 MP
f/2.2, 22mm (wide), 1/3.44"
50 MP
f/2.4, OmniVision OV50D40
Selfie Video Recording
1080p@30fps
1080p@30fps
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
Dual SIM (Nano + Nano (Hybrid))
5G Support
Yes

16 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78
Yes

9 5G bands
n1, n3, n5, n8, n28, n40, n41, 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, MIMO
802.11 a/b/g/n/ac 5GHz
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
Bluetooth
5.4
5.3
NFC
Yes
No
GPS
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
Infrared
No
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
5000 mAh
7000 mAh
Type
Si/C Li-Ion
Removable
No
No
Wired charging
50W
60W
Charging Speed
50% in 19 min
50% in 31 mins
Reverse Wired Charging
No
10W
Wireless Charging
No
No
Reverse Wireless Charging
No
No
Charger in the Box
No
Yes
Sound
Stereo Speakers
Yes
Yes
3.5mm Headphone Jack
No
No
FM Radio
No
No
Extra Features
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass
Colors and Pricing
Colors
Black, White, Blue
Silk Blue, Suit Titanium, Flowing Silver
Price in India
₹22438
Nothing Phone (3a) Amazon Link
₹20999
FAQs

In this performance comparison, the Nothing Phone (3a) with its Qualcomm Snapdragon 7s Gen 3 (4nm) performs better than the Realme 15T with the Mediatek Dimensity 6400 (6nm), thanks to superior chipset efficiency.

Both phones offer the same 3 years of OS update support. For security updates, Nothing Phone (3a) offers 6 years of support compared to Realme 15T's 4 years.

Both Nothing Phone (3a) and Realme 15T 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 features a larger 7000 mAh battery, potentially delivering better battery life. Realme 15T also supports faster wired charging at 60W, compared to 50W on Nothing Phone (3a).

Realme 15T offers better protection against water and dust with an IP69 rating.

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