Screen size
Q Stylus6.2"
Q51Winner: 6.5"+4.6%
Quick verdict
Q Stylus and Q51 are close on the measured specs.
Measured wins
Q Stylus
6
spec wins
Ties
8
equal specs
Q51
6
spec wins
Screen size
Technology
Q Stylus
GSM / HSPA / LTE
Q51
GSM / HSPA / LTE
2G bands
Q Stylus
GSM 850 / 900 / 1800 / 1900
Q51
GSM 850 / 900 / 1800 / 1900
3G bands
Q Stylus
HSDPA 850 / 900 / 1900 / 2100
Q51
HSDPA 850 / 900 / 1900 / 2100
4G bands
Q Stylus
1, 3, 5, 7, 8, 28, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Q51
1, 3, 7, 8, 20
Speed
Q Stylus
HSPA, LTE
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
Announced
Q Stylus
2018, June. Released 2018, August
Q51
2020, February 25. Released 2020, February 26
Status
Q Stylus
Discontinued
Q51
Discontinued
Dimensions
Q Stylus
160.1 x 77.7 x 8.1 mm (6.30 x 3.06 x 0.32 in)
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
Weight
Q Stylus
171 g (6.03 oz)
Q51
-
Build
Q Stylus
Glass front, plastic back, aluminum frame
Q51
-
SIM
Q Stylus
· Nano-SIM· Nano-SIM + Nano-SIM
Q51
Nano-SIM + Nano-SIM
Other
Q Stylus
Stylus IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
Q Stylus
IPS LCD
Q51
IPS LCD
Size
Q Stylus
6.2 inches, 99.7 cm2 (~80.2% screen-to-body ratio)
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
Resolution
Q Stylus
1080 x 2160 pixels, 18:9 ratio (~389 ppi density)
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
OS
Q Stylus
Android 8.1 (Oreo)
Q51
Android 10
Chipset
Q Stylus
Mediatek MT6750 - Q Stylus/Q Stylus α
Q51
Mediatek MT6762 Helio P22 (12 nm)
CPU
Q Stylus
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) - Q Stylus/Q Stylus αOcta-core 1.8 GHz
Q51
Octa-core 2.0 GHz Cortex-A53
GPU
Q Stylus
Mali-T860MP2 - Q Stylus/Q Stylus α
Q51
PowerVR GE8320
Card slot
Q Stylus
microSDXC (dedicated slot)
Q51
microSDXC (dedicated slot)
Internal
Q Stylus
32GB 3GB RAM, 64GB 4GB RAM
Q51
32GB 3GB RAM
Other
Q Stylus
eMMC 5.1
Q51
eMMC 5.1
Single
Q Stylus
13 MP, PDAF (Q Stylus α) 16 MP, PDAF (Q Stylus/ Q Stylus+)
Q51
-
Features
Q Stylus
LED flash, panorama, HDR
Q51
LED flash, panorama, HDR
Video
Q Stylus
1080p@30fps
Q51
1080p@30fps
Triple
Q Stylus
-
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
Single
Q Stylus
8 MP or 5 MP - Q Stylus/Q Stylus+ 5 MP - Q Stylus α
Q51
13 MP, (wide), 1/3.1", 1.12µm
Video
Q Stylus
Q51
1080p@30fps
Loudspeaker
Q Stylus
Yes
Q51
Yes, with stereo speakers
3.5mm jack
Q Stylus
Yes
Q51
Yes
WLAN
Q Stylus
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth
Q Stylus
4.2, A2DP, LE
Q51
5.0, A2DP, LE
Positioning
Q Stylus
GPS, GLONASS, BDS, GALILEO
Q51
GPS
NFC
Q Stylus
Yes
Q51
Yes
Radio
Q Stylus
FM radio
Q51
No
USB
Q Stylus
USB Type-C 2.0
Q51
USB Type-C 2.0
Sensors
Q Stylus
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
Q Stylus
Li-Ion 3300 mAh, non-removable
Q51
Li-Po 4000 mAh
Charging
Q Stylus
10W wired
Q51
-
Colors
Q Stylus
Aurora Black, Moroccan Blue, Lavender Violet
Q51
Frozen White, Moonlight Titanium
Models
Q Stylus
Q710, LM-Q710.FG
Q51
LM-Q510N
Price
Q Stylus
About 300 EUR
Q51
About 240 EUR