Screen size
Redmi A7Winner: 6.9"+79%
Watch S41.4"
Quick verdict
Redmi A7 leads the measured specs 15-5.
Measured wins
Redmi A7
15
spec wins
Overall winner
Ties
1
equal specs
Watch S4
5
spec wins
Screen size
Technology
Redmi A7
GSM / HSPA / LTE
Watch S4
GSM / HSPA / LTE
2G bands
Redmi A7
GSM 850 / 900 / 1800 / 1900
Watch S4
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi A7
HSDPA 850 / 900 / 2100
Watch S4
HSDPA
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 S4
LTE
Speed
Redmi A7
HSPA, LTE
Watch S4
HSPA, LTE
GPRS
Redmi A7
-
Watch S4
No
EDGE
Redmi A7
-
Watch S4
No
Announced
Redmi A7
2026, April 21
Watch S4
2024, October 29
Status
Redmi A7
Available. Released 2026, April 24
Watch S4
Available. Released 2024, October 29
Dimensions
Redmi A7
171.8 x 79.8 x 8.3 mm (6.76 x 3.14 x 0.33 in)
Watch S4
47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)
Weight
Redmi A7
193 g (6.81 oz)
Watch S4
44.5 g (1.59 oz)
SIM
Redmi A7
Nano-SIM + Nano-SIM
Watch S4
eSIM (market/region dependent)
Other
Redmi A7
Dust and splash resistant
Watch S4
Waterproof (5ATM)
Build
Redmi A7
-
Watch S4
Aluminum alloy frame, stainless steel bezel
Type
Redmi A7
IPS LCD, 120Hz, 600 nits (peak)
Watch S4
AMOLED, 1500 nits (HBM), 2200 nits (peak)
Size
Redmi A7
6.88 inches, 112.4 cm2 (~82.0% screen-to-body ratio)
Watch S4
1.43 inches
Resolution
Redmi A7
720 x 1640 pixels (~260 ppi density)
Watch S4
466 x 466 pixels (~326 ppi density)
Protection
Redmi A7
-
Watch S4
Scratch/drop-proof glass
OS
Redmi A7
Android 15, up to 2 major Android upgrades
Watch S4
HyperOS 2
Chipset
Redmi A7
Unisoc T7250 (12 nm)
Watch S4
-
CPU
Redmi A7
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Watch S4
-
GPU
Redmi A7
Mali-G57 MP1
Watch S4
-
Card slot
Redmi A7
microSDXC (dedicated slot)
Watch S4
No
Internal
Redmi A7
64GB 3GB RAM
Watch S4
-
Single
Redmi A7
13 MP, f/2.2, (wide)
Watch S4
-
Features
Redmi A7
LED flash, HDR
Watch S4
-
Video
Redmi A7
1080p@30fps
Watch S4
-
Single
Redmi A7
8 MP, f/2.0, (wide)
Watch S4
-
Features
Redmi A7
HDR
Watch S4
-
Video
Redmi A7
1080p@30fps
Watch S4
-
Loudspeaker
Redmi A7
Yes
Watch S4
Yes
3.5mm jack
Redmi A7
Yes
Watch S4
No
WLAN
Redmi A7
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Watch S4
No
Bluetooth
Redmi A7
5.2, A2DP, LE
Watch S4
5.3, A2DP, LE
Positioning
Redmi A7
GPS, GALILEO, GLONASS
Watch S4
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Redmi A7
No
Watch S4
Yes (market/region dependent)
Radio
Redmi A7
FM radio
Watch S4
No
USB
Redmi A7
USB Type-C 2.0, OTG
Watch S4
No
Sensors
Redmi A7
Fingerprint (side-mounted), accelerometer, compass
Watch S4
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Other
Redmi A7
Virtual proximity sensing
Watch S4
-
Type
Redmi A7
5200 mAh
Watch S4
Li-Po 486 mAh
Charging
Redmi A7
15W wired 7.5W reverse wired
Watch S4
-
Colors
Redmi A7
Black, Sky Blue
Watch S4
Black, Silver, Rainbow
Price
Redmi A7
₹ 10,499
Watch S4
About 130 EUR
Models
Redmi A7
-
Watch S4
M2424W1, M2425W1
Other
Redmi A7
-
Watch S4
No