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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

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
Nothing Phone (3a) Comparison & Specs

Nothing Phone (3a)

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

Redmi 15

General
Launch Date
March 04, 2025
August 19, 2025
Availability
Available Now
August 28
OS
Android 15
Android 15
Custom UI
Nothing OS 3.1
HyperOS 2.2
OS Updates
3 Years
2 Years
Security Updates
6 Years
4 Years
AI Features
Circle to Search
Circle to Search, Gemini Live, AI Erase and more
Body
Dimensions
163.5 x 77.5 x 8.4 mm
169.5 x 80.5 x 8.4 mm
Thickness
8.4 mm
8.4 mm
Weight
201 g
217 g
Build Details
Glass Back, , 3 LED light strips on the back
Plastic Back
IP Rating
IP64 (dust tight and water resistant)
IP64 (dust tight and water resistant (water splashes))
Display
Size
6.77 inches
6.9 inches
Type
AMOLED, 1B colors, HDR10+, Ultra HDR image support
IPS LCD
Refresh Rate
120 Hz
144 Hz
Peak Brightness
3000 nits
850 nits
Resolution
1080 x 2392 pixels
1080 x 2340 pixels
Pixel Density
387 ppi
374 ppi
Aspect Ratio
20:9
19.5:9
Screen to Body Ratio
88.0 %
85.7 %
Performance
Chipset¹
Qualcomm Snapdragon 7s Gen 3
Qualcomm Snapdragon 6s Gen 3
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
2x2.3 GHz Cortex-A78
6x2.0 GHz Cortex-A55
GPU
Adreno 710 (940 MHz)
Adreno 619
RAM & Storage
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
6GB 128GB (UFS 2.2)
8GB 128GB (UFS 2.2)
8GB 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/1.75, (wide), 1/2.88" 0.61μm, PDAF
Auxiliary lens
OIS
Yes
No
Features
LED flash, panorama, HDR
LED flash, HDR
Video Recording
4K@30fps
1080p@30/60/120fps
1080p@30fps
Selfie Camera
32 MP
f/2.2, 22mm (wide), 1/3.44"
8 MP
f/2.2, (wide)
Selfie Features
HDR
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

7 5G bands
n1, n3, n5, n8, n28, n40, 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
5.1
NFC
Yes
No
GPS
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
Infrared
No
Yes
UWB (Ultra Wideband)
No
No
Battery
Capacity
5000 mAh
7000 mAh
Type
Silicon Carbon
Removable
No
No
Wired charging
50W
33W
Charging Speed
50% in 19 min
Reverse Wired Charging
No
15W
Wireless Charging
No
-2W
Reverse Wireless Charging
No
No
Charger in the Box
No
Yes
Sound
Stereo Speakers
Yes
No
3.5mm Headphone Jack
No
No
FM Radio
No
No
Extra Features
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Side-mounted fingerprint sensor, accelerometer, compass
Others
Virtual proximity sensing
Colors and Pricing
Colors
Black, White, Blue
Midnight Black, Frosted White, Sandy Purple
Price in India
₹23306
Nothing Phone (3a) Amazon Link
₹14999
FAQs

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

Nothing Phone (3a) offers 3 years of OS updates, whereas Redmi 15 provides 2 years. For security updates, Nothing Phone (3a) offers 6 years of support compared to Redmi 15's 4 years.

Nothing Phone (3a) 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. Nothing Phone (3a) also boasts a brighter screen with 3000 nits of peak brightness, enhancing outdoor visibility. Both phones have the same screen resolution.

Redmi 15 features a larger 7000 mAh battery, potentially delivering better battery life. Nothing Phone (3a) also supports faster wired charging at 50W, compared to 33W on Redmi 15. Redmi 15 supports wireless charging at -2W, while Nothing Phone (3a) lacks this feature.

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.