Screen size
Redmi A7Winner: 6.9"+79%
Watch S21.4"
Quick verdict
Redmi A7 leads the measured specs 17-3.
Measured wins
Redmi A7
17
spec wins
Overall winner
Ties
1
equal specs
Watch S2
3
spec wins
Screen size
Technology
Redmi A7
GSM / HSPA / LTE
Watch S2
No cellular connectivity
2G bands
Redmi A7
GSM 850 / 900 / 1800 / 1900
Watch S2
N/A
3G bands
Redmi A7
HSDPA 850 / 900 / 2100
Watch S2
N/A
4G bands
Redmi A7
1, 3, 5, 8, 28, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
Watch S2
N/A
Speed
Redmi A7
HSPA, LTE
Watch S2
No
GPRS
Redmi A7
-
Watch S2
No
EDGE
Redmi A7
-
Watch S2
No
Announced
Redmi A7
2026, April 21
Watch S2
2022, December 11
Status
Redmi A7
Available. Released 2026, April 24
Watch S2
Available. Released 2022, December 11
Dimensions
Redmi A7
171.8 x 79.8 x 8.3 mm (6.76 x 3.14 x 0.33 in)
Watch S2
46 x 46 x 10.7 mm (1.81 x 1.81 x 0.42 in)
Weight
Redmi A7
193 g (6.81 oz)
Watch S2
-
SIM
Redmi A7
Nano-SIM + Nano-SIM
Watch S2
No
Other
Redmi A7
Dust and splash resistant
Watch S2
Waterproof (5ATM)
Build
Redmi A7
-
Watch S2
Sapphire crystal front, stainless steel frame
Type
Redmi A7
IPS LCD, 120Hz, 600 nits (peak)
Watch S2
AMOLED
Size
Redmi A7
6.88 inches, 112.4 cm2 (~82.0% screen-to-body ratio)
Watch S2
1.43 inches
Resolution
Redmi A7
720 x 1640 pixels (~260 ppi density)
Watch S2
466 x 466 pixels (~326 ppi density)
OS
Redmi A7
Android 15, up to 2 major Android upgrades
Watch S2
Proprietary OS
Chipset
Redmi A7
Unisoc T7250 (12 nm)
Watch S2
-
CPU
Redmi A7
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Watch S2
-
GPU
Redmi A7
Mali-G57 MP1
Watch S2
-
Card slot
Redmi A7
microSDXC (dedicated slot)
Watch S2
No
Internal
Redmi A7
64GB 3GB RAM
Watch S2
-
Single
Redmi A7
13 MP, f/2.2, (wide)
Watch S2
-
Features
Redmi A7
LED flash, HDR
Watch S2
-
Video
Redmi A7
1080p@30fps
Watch S2
-
Single
Redmi A7
8 MP, f/2.0, (wide)
Watch S2
-
Features
Redmi A7
HDR
Watch S2
-
Video
Redmi A7
1080p@30fps
Watch S2
-
Loudspeaker
Redmi A7
Yes
Watch S2
Yes
3.5mm jack
Redmi A7
Yes
Watch S2
No
WLAN
Redmi A7
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Watch S2
No
Bluetooth
Redmi A7
5.2, A2DP, LE
Watch S2
5.2, A2DP, LE
Positioning
Redmi A7
GPS, GALILEO, GLONASS
Watch S2
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Redmi A7
No
Watch S2
Yes
Radio
Redmi A7
FM radio
Watch S2
No
USB
Redmi A7
USB Type-C 2.0, OTG
Watch S2
No
Sensors
Redmi A7
Fingerprint (side-mounted), accelerometer, compass
Watch S2
Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI)
Other
Redmi A7
Virtual proximity sensing
Watch S2
-
Type
Redmi A7
5200 mAh
Watch S2
Li-Po 500 mAh
Charging
Redmi A7
15W wired 7.5W reverse wired
Watch S2
Wireless
Colors
Redmi A7
Black, Sky Blue
Watch S2
Black, Silver, Light Gold
Price
Redmi A7
₹ 10,499
Watch S2
About 150 EUR
Other
Redmi A7
-
Watch S2
No