Screen size
Optimus Pad LTEWinner: 8.9"+27%
Q516.5"
Quick verdict
Q51 leads the measured specs 9-3.
Measured wins
Optimus Pad LTE
3
spec wins
Ties
6
equal specs
Q51
9
spec wins
Overall winner
Screen size
Technology
Optimus Pad LTE
GSM / HSPA / LTE
Q51
GSM / HSPA / LTE
2G bands
Optimus Pad LTE
GSM 850 / 900 / 1800 / 1900
Q51
GSM 850 / 900 / 1800 / 1900
3G bands
Optimus Pad LTE
HSDPA 2100
Q51
HSDPA 850 / 900 / 1900 / 2100
4G bands
Optimus Pad LTE
LTE 800
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsQ51
1, 3, 7, 8, 20
Speed
Optimus Pad LTE
HSPA, LTE
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
Announced
Optimus Pad LTE
2012, January. Released 2012, Q4
Q51
2020, February 25. Released 2020, February 26
Status
Optimus Pad LTE
Discontinued
Q51
Discontinued
Dimensions
Optimus Pad LTE
245 x 151.4 x 9.3 mm (9.65 x 5.96 x 0.37 in)
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
Weight
Optimus Pad LTE
497 g (1.10 lb)
Q51
-
SIM
Optimus Pad LTE
Mini-SIM
Q51
Nano-SIM + Nano-SIM
Other
Optimus Pad LTE
-
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
Optimus Pad LTE
IPS LCD
Q51
IPS LCD
Size
Optimus Pad LTE
8.9 inches, 225.5 cm2 (~60.8% screen-to-body ratio)
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
Resolution
Optimus Pad LTE
768 x 1280 pixels, 5:3 ratio (~168 ppi density)
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
OS
Optimus Pad LTE
Android 3.2 (Honeycomb)
Q51
Android 10
Chipset
Optimus Pad LTE
Qualcomm
Q51
Mediatek MT6762 Helio P22 (12 nm)
CPU
Optimus Pad LTE
Dual-core 1.5 GHz
Q51
Octa-core 2.0 GHz Cortex-A53
GPU
Optimus Pad LTE
-
Q51
PowerVR GE8320
Card slot
Optimus Pad LTE
SD/microSDHC (dedicated slot)
Q51
microSDXC (dedicated slot)
Internal
Optimus Pad LTE
32GB
Q51
32GB 3GB RAM
Other
Optimus Pad LTE
-
Q51
eMMC 5.1
Single
Optimus Pad LTE
8 MP, AF
Q51
-
Video
Optimus Pad LTE
1080p@30fps
Q51
1080p@30fps
Triple
Optimus Pad LTE
-
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
Features
Optimus Pad LTE
-
Q51
LED flash, panorama, HDR
Single
Optimus Pad LTE
2 MP
Q51
13 MP, (wide), 1/3.1", 1.12µm
Video
Optimus Pad LTE
Q51
1080p@30fps
Loudspeaker
Optimus Pad LTE
Yes, with stereo speakers
Q51
Yes, with stereo speakers
3.5mm jack
Optimus Pad LTE
Yes
Q51
Yes
WLAN
Optimus Pad LTE
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth
Optimus Pad LTE
2.1, A2DP, EDR
Q51
5.0, A2DP, LE
Positioning
Optimus Pad LTE
GPS, A-GPS
Q51
GPS
Radio
Optimus Pad LTE
No
Q51
No
USB
Optimus Pad LTE
microUSB 2.0
Q51
USB Type-C 2.0
NFC
Optimus Pad LTE
-
Q51
Yes
Sensors
Optimus Pad LTE
Accelerometer, proximity, compass
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
Other
Optimus Pad LTE
HDMI port MP4/DivX/XviD/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo Predictive text input
Q51
-
Type
Optimus Pad LTE
Non-removable Li-Ion 6800 mAh battery
Q51
Li-Po 4000 mAh
Colors
Optimus Pad LTE
Black
Q51
Frozen White, Moonlight Titanium
Price
Optimus Pad LTE
About 160 EUR
Q51
About 240 EUR
Models
Optimus Pad LTE
-
Q51
LM-Q510N