Screen size
A6s ProWinner: 6.6"+2.1%
F21 Pro6.4"
Quick verdict
A6s Pro leads the measured specs 11-8.
Measured wins
A6s Pro
11
spec wins
Overall winner
Ties
4
equal specs
F21 Pro
8
spec wins
Screen size
Technology
A6s Pro
GSM / HSPA / LTE
F21 Pro
GSM / HSPA / LTE
2G bands
A6s Pro
GSM 850 / 900 / 1800 / 1900
F21 Pro
GSM 850 / 900 / 1800 / 1900
3G bands
A6s Pro
HSDPA 850 / 900 / 2100
F21 Pro
HSDPA 850 / 900 / 2100
4G bands
A6s Pro
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
F21 Pro
1, 3, 5, 8, 38, 40, 41
Speed
A6s Pro
HSPA, LTE
F21 Pro
HSPA, LTE
Announced
A6s Pro
2026, February 24
F21 Pro
2022, April 12
Status
A6s Pro
Available. Released 2026, March 03
F21 Pro
Available. Released 2022, April 15
Dimensions
A6s Pro
158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in)
F21 Pro
159.9 x 73.2 x 7.5 mm (6.30 x 2.88 x 0.30 in)
Weight
A6s Pro
190 g (6.70 oz)
F21 Pro
175 g (6.17 oz)
Build
A6s Pro
Glass front, plastic frame, plastic back
F21 Pro
-
SIM
A6s Pro
Nano-SIM + Nano-SIM
F21 Pro
Nano-SIM + Nano-SIM
Other
A6s Pro
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
F21 Pro
IPX4 water resistant RGB ring light around the camera (notifications, charging progress)
Type
A6s Pro
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
F21 Pro
AMOLED, 90Hz, 430 nits (typ), 600 nits (HBM), 800 nits (peak)
Size
A6s Pro
6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio)
F21 Pro
6.43 inches, 99.8 cm2 (~85.3% screen-to-body ratio)
Resolution
A6s Pro
1080 x 2372 pixels (~397 ppi density)
F21 Pro
1080 x 2400 pixels, 20:9 ratio (~409 ppi density)
Protection
A6s Pro
AGC DT-Star D+
F21 Pro
Corning Gorilla Glass 5
OS
A6s Pro
Android 16, ColorOS 16
F21 Pro
Android 12, upgradable to Android 14, ColorOS 14
Chipset
A6s Pro
Mediatek Helio G100 Max (6 nm)
F21 Pro
Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU
A6s Pro
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
F21 Pro
Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU
A6s Pro
Mali-G57 MC2
F21 Pro
Adreno 610
Card slot
A6s Pro
microSDXC
F21 Pro
microSDXC
Internal
A6s Pro
256GB 8GB RAM
F21 Pro
128GB 8GB RAM
Other
A6s Pro
UFS 2.2
F21 Pro
UFS 2.2
Dual
A6s Pro
50 MP, f/1.8, (wide), PDAF Auxiliary lens
F21 Pro
-
Features
A6s Pro
LED flash, HDR, panorama
F21 Pro
LED flash, HDR, panorama
Video
A6s Pro
1080p@30/60/120fps
F21 Pro
1080p@30fps, gyro-EIS
Triple
A6s Pro
-
F21 Pro
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 2 MP, f/3.3, (microscope) Auxiliary lens
Single
A6s Pro
50 MP, (wide)
F21 Pro
32 MP, f/2.4, 24mm (wide), 1/2.74", 0.8µm
Features
A6s Pro
Panorama
F21 Pro
Panorama, HDR
Video
A6s Pro
1080p@30fps
F21 Pro
1080p@30fps, gyro-EIS
Loudspeaker
A6s Pro
Yes, with stereo speakers
F21 Pro
Yes
3.5mm jack
A6s Pro
No
F21 Pro
Yes
WLAN
A6s Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
F21 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
A6s Pro
5.4, A2DP, LE, aptX HD
F21 Pro
5.1, A2DP, LE, aptX HD
Positioning
A6s Pro
GPS, GALILEO, GLONASS, BDS, QZSS
F21 Pro
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
A6s Pro
Yes (market/region dependent)
F21 Pro
No
Radio
A6s Pro
Unspecified
F21 Pro
No
USB
A6s Pro
USB Type-C 2.0, OTG
F21 Pro
USB Type-C 2.0, OTG
Sensors
A6s Pro
Fingerprint (under display, optical), accelerometer, gyro, proximity
F21 Pro
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A6s Pro
Si/C Li-Ion 7000 mAh
F21 Pro
Li-Po 4500 mAh
Charging
A6s Pro
80W wired, 33W PPS, 13.5W PD 5W reverse wired
F21 Pro
33W wired, 100% in 60 min Reverse wired
Colors
A6s Pro
Lumina Frost, Eclipse Blue
F21 Pro
Cosmic Black, Sunset Orange, Dawnlight Gold, Starlight Black
Price
A6s Pro
About 280 EUR
F21 Pro
About 280 EUR
Models
A6s Pro
-
F21 Pro
CPH2363, CPH2461