Screen size
Q51Winner: 6.5"+4.6%
Q8 (2018)6.2"
Quick verdict
Q8 (2018) leads the measured specs 8-6.
Measured wins
Q51
6
spec wins
Ties
6
equal specs
Q8 (2018)
8
spec wins
Overall winner
Screen size
Technology
Q51
GSM / HSPA / LTE
Q8 (2018)
GSM / HSPA / LTE
2G bands
Q51
GSM 850 / 900 / 1800 / 1900
Q8 (2018)
GSM 850 / 900 / 1800 / 1900
3G bands
Q51
HSDPA 850 / 900 / 1900 / 2100
Q8 (2018)
HSDPA 850 / 900 / 1900 / 2100
4G bands
Q51
1, 3, 7, 8, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Q8 (2018)
1, 3, 5, 7, 8, 20
Speed
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
Q8 (2018)
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
Q51
2020, February 25. Released 2020, February 26
Q8 (2018)
2018, August. Released 2018, August
Status
Q51
Discontinued
Q8 (2018)
Discontinued
Dimensions
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
Q8 (2018)
160.1 x 77.7 x 8.4 mm (6.30 x 3.06 x 0.33 in)
Weight
Q51
-
Q8 (2018)
172 g (6.07 oz)
SIM
Q51
Nano-SIM + Nano-SIM
Q8 (2018)
· Nano-SIM· Nano-SIM + Nano-SIM
Other
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Q8 (2018)
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
Type
Q51
IPS LCD
Q8 (2018)
IPS LCD
Size
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
Q8 (2018)
6.2 inches, 99.7 cm2 (~80.2% screen-to-body ratio)
Resolution
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
Q8 (2018)
1080 x 2160 pixels, 18:9 ratio (~389 ppi density)
OS
Q51
Android 10
Q8 (2018)
Android 8.1 (Oreo)
Chipset
Q51
Mediatek MT6762 Helio P22 (12 nm)
Q8 (2018)
Qualcomm SDM450 Snapdragon 450 (14 nm)
CPU
Q51
Octa-core 2.0 GHz Cortex-A53
Q8 (2018)
Octa-core 1.6 GHz Cortex-A53
GPU
Q51
PowerVR GE8320
Q8 (2018)
Adreno 506
Card slot
Q51
microSDXC (dedicated slot)
Q8 (2018)
microSDXC (dedicated slot)
Internal
Q51
32GB 3GB RAM
Q8 (2018)
64GB 4GB RAM
Other
Q51
eMMC 5.1
Q8 (2018)
eMMC 5.1
Triple
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
Q8 (2018)
-
Features
Q51
LED flash, panorama, HDR
Q8 (2018)
LED flash, panorama, HDR
Video
Q51
1080p@30fps
Q8 (2018)
1080p@30fps
Single
Q51
-
Q8 (2018)
16 MP, PDAF
Single
Q51
13 MP, (wide), 1/3.1", 1.12µm
Q8 (2018)
5 MP, 18mm (ultrawide)
Video
Q51
1080p@30fps
Q8 (2018)
1080p@30fps
Loudspeaker
Q51
Yes, with stereo speakers
Q8 (2018)
Yes
3.5mm jack
Q51
Yes
Q8 (2018)
Yes
Other
Q51
-
Q8 (2018)
32-bit/192kHz Hi-Res audio
WLAN
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Q8 (2018)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Q51
5.0, A2DP, LE
Q8 (2018)
4.2, A2DP, LE
Positioning
Q51
GPS
Q8 (2018)
GPS, GLONASS
NFC
Q51
Yes
Q8 (2018)
Yes
Radio
Q51
No
Q8 (2018)
Stereo FM radio with RDS
USB
Q51
USB Type-C 2.0
Q8 (2018)
USB Type-C 2.0
Sensors
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
Q8 (2018)
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
Q51
Li-Po 4000 mAh
Q8 (2018)
Li-Po 3300 mAh, non-removable
Charging
Q51
-
Q8 (2018)
18W wired, QC3
Colors
Q51
Frozen White, Moonlight Titanium
Q8 (2018)
Aurora Black, Moroccan Blue
Models
Q51
LM-Q510N
Q8 (2018)
LGM-X800L, LM-Q815S, LM-Q815K, LM-Q815L
Price
Q51
About 240 EUR
Q8 (2018)
About 300 EUR