Screen size
F91Winner: 6.8"+4.4%
S91 Pro6.5"
Quick verdict
F91 leads the measured specs 10-2.
Measured wins
F91
10
spec wins
Overall winner
Ties
6
equal specs
S91 Pro
2
spec wins
Screen size
Technology
F91
GSM / HSPA / LTE / 5G
S91 Pro
GSM / HSPA / LTE
2G bands
F91
GSM 850 / 900 / 1800 / 1900
S91 Pro
GSM 850 / 900 / 1800 / 1900
3G bands
F91
HSDPA 850 / 1700(AWS) / 1900 / 2100
S91 Pro
HSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands
F91
2, 4, 5, 12, 13, 17, 25, 26, 41, 66, 71
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
S91 Pro
1, 2, 3, 4, 5, 7, 12, 13, 17, 28, 66
5G bands
F91
2, 5, 25, 41, 66, 71, 77 SA/NSA/Sub6
S91 Pro
-
Speed
F91
HSPA, LTE, 5G
S91 Pro
HSPA, LTE
Announced
F91
2022, April 20. Released 2022, April 20
S91 Pro
2022, July . Released 2022, July
Status
F91
Discontinued
S91 Pro
Discontinued
Dimensions
F91
168.7 x 76.8 x 8.9 mm (6.64 x 3.02 x 0.35 in)
S91 Pro
164.7 x 76 x 8.9 mm (6.48 x 2.99 x 0.35 in)
Weight
F91
209 g (7.37 oz)
S91 Pro
202 g (7.13 oz)
SIM
F91
Nano-SIM + Nano-SIM
S91 Pro
Nano-SIM + Nano-SIM
Type
F91
IPS LCD
S91 Pro
IPS LCD
Size
F91
6.8 inches, 109.8 cm2 (~84.8% screen-to-body ratio)
S91 Pro
6.5 inches, 102.0 cm2 (~81.5% screen-to-body ratio)
Resolution
F91
1080 x 2460 pixels (~395 ppi density)
S91 Pro
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
OS
F91
Android 11
S91 Pro
Android 12
Chipset
F91
Mediatek Dimensity 810 (6 nm)
S91 Pro
Mediatek MT6765V/CB Helio G37 (12 nm)
CPU
F91
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
S91 Pro
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
F91
Mali-G57 MC2
S91 Pro
PowerVR GE8320
Card slot
F91
microSDXC
S91 Pro
microSDXC
Internal
F91
128GB 8GB RAM
S91 Pro
128GB 4GB RAM
Quad
F91
48 MP, f/1.8, (wide) 1/2.0", 0.8µm, PDAF 5 MP, f/2.2, 115˚ (ultrawide) 2 MP (macro) Auxiliary lens
S91 Pro
-
Features
F91
LED flash, HDR, panorama
S91 Pro
Dual-LED flash, HDR, panorama
Video
F91
4K@30fps, 1080p@30fps
S91 Pro
1080p@30fps
Triple
F91
-
S91 Pro
50 MP, f/1.8 (wide), 0.7µm, PDAF 2 MP, f/2.4, 115˚ (ultrawide) Auxiliary lens
Single
F91
16 MP, f/2.0
S91 Pro
13 MP
Video
F91
1080p@30fps
S91 Pro
1080p@30fps
Loudspeaker
F91
Yes
S91 Pro
Yes
3.5mm jack
F91
Yes
S91 Pro
Yes
WLAN
F91
Wi-Fi 802.11 b/g/n/ac, Wi-Fi Direct
S91 Pro
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct
Bluetooth
F91
5.1, A2DP, LE
S91 Pro
5.0, A2DP, LE
Positioning
F91
GPS
S91 Pro
GPS
NFC
F91
Yes
S91 Pro
No
Radio
F91
FM radio
S91 Pro
FM radio
USB
F91
USB Type-C 2.0, OTG
S91 Pro
USB Type-C 2.0, OTG
Sensors
F91
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
S91 Pro
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
F91
Li-Po 5000 mAh
S91 Pro
Li-Po 5000 mAh
Charging
F91
18W wired 10W wireless Reverse wired
S91 Pro
-
Colors
F91
Blue
S91 Pro
Black, Mint Green
Price
F91
About 280 EUR
S91 Pro
About 180 EUR