Screen size
Q51Winner: 6.5"+79%
Watch Sport1.4"
Quick verdict
Q51 leads the measured specs 14-2.
Measured wins
Q51
14
spec wins
Overall winner
Ties
2
equal specs
Watch Sport
2
spec wins
Screen size
Technology
Q51
GSM / HSPA / LTE
Watch Sport
GSM / HSPA / LTE
2G bands
Q51
GSM 850 / 900 / 1800 / 1900
Watch Sport
GSM 850 / 900 / 1800 / 1900
3G bands
Q51
HSDPA 850 / 900 / 1900 / 2100
Watch Sport
HSDPA 850 / 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
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
Watch Sport
2, 4, 5
Speed
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
Watch Sport
HSPA, LTE
Announced
Q51
2020, February 25. Released 2020, February 26
Watch Sport
2017, February. Released 2017, February
Status
Q51
Discontinued
Watch Sport
Discontinued
Dimensions
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
Watch Sport
45.4 x 51.2 x 14.2 mm (1.79 x 2.02 x 0.56 in)
Weight
Q51
-
Watch Sport
-
SIM
Q51
Nano-SIM + Nano-SIM
Watch Sport
Nano-SIM
Other
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Watch Sport
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Build
Q51
-
Watch Sport
Glass front (Gorilla Glass 3), stainless steel 316L frame
Type
Q51
IPS LCD
Watch Sport
P-OLED
Size
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
Watch Sport
1.38 inches
Resolution
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
Watch Sport
480 x 480 pixels (~348 ppi density)
Protection
Q51
-
Watch Sport
Corning Gorilla Glass 3
OS
Q51
Android 10
Watch Sport
Android Wear OS 2.1
Chipset
Q51
Mediatek MT6762 Helio P22 (12 nm)
Watch Sport
Qualcomm MSM8909W Snapdragon Wear 2100
CPU
Q51
Octa-core 2.0 GHz Cortex-A53
Watch Sport
Quad-core 1.1 GHz Cortex-A7
GPU
Q51
PowerVR GE8320
Watch Sport
Adreno 304
Card slot
Q51
microSDXC (dedicated slot)
Watch Sport
No
Internal
Q51
32GB 3GB RAM
Watch Sport
4GB 768MB RAM
Other
Q51
eMMC 5.1
Watch Sport
eMMC 4.5
Triple
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
Watch Sport
-
Features
Q51
LED flash, panorama, HDR
Watch Sport
-
Video
Q51
1080p@30fps
Watch Sport
-
Single
Q51
13 MP, (wide), 1/3.1", 1.12µm
Watch Sport
-
Video
Q51
1080p@30fps
Watch Sport
-
Loudspeaker
Q51
Yes, with stereo speakers
Watch Sport
Yes
3.5mm jack
Q51
Yes
Watch Sport
No
WLAN
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Watch Sport
Wi-Fi 802.11 b/g/n
Bluetooth
Q51
5.0, A2DP, LE
Watch Sport
4.2, LE
Positioning
Q51
GPS
Watch Sport
GPS
NFC
Q51
Yes
Watch Sport
Yes
Radio
Q51
No
Watch Sport
No
USB
Q51
USB Type-C 2.0
Watch Sport
No
Sensors
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
Watch Sport
Accelerometer, gyro, proximity, heart rate, barometer
Other
Q51
-
Watch Sport
MP3 player Photo viewer Voice dial/commands
Type
Q51
Li-Po 4000 mAh
Watch Sport
Li-Ion 430 mAh, non-removable
Colors
Q51
Frozen White, Moonlight Titanium
Watch Sport
Titanium, dark blue
Models
Q51
LM-Q510N
Watch Sport
W280
Price
Q51
About 240 EUR
Watch Sport
About 250 EUR
Other
Q51
-
Watch Sport
No