Screen size
Joy4.0"
Q31Winner: 5.7"+30%
Quick verdict
Q31 leads the measured specs 11-1.
Measured wins
Joy
1
spec wins
Ties
5
equal specs
Q31
11
spec wins
Overall winner
Screen size
Technology
Joy
GSM / HSPA / LTE
Q31
GSM / HSPA / LTE
2G bands
Joy
GSM 850 / 900 / 1800 / 1900
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
Joy
HSDPA 850 / 900 / 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
4G bands
Joy
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Q31
LTE
Speed
Joy
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Q31
HSPA, LTE
Announced
Joy
2015, February. Released 2015, May
Q31
2020, September 17. Released 2020, September 25
Status
Joy
Discontinued
Q31
Discontinued
Dimensions
Joy
122.7 x 64 x 11.9 mm (4.83 x 2.52 x 0.47 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
Joy
128 g (4.52 oz)
Q31
145 g (5.11 oz)
SIM
Joy
Micro-SIM
Q31
Nano-SIM
Other
Joy
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
Joy
TFT
Q31
IPS LCD
Size
Joy
4.0 inches, 45.5 cm2 (~58.0% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
Joy
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
OS
Joy
Android 4.4 (KitKat)
Q31
Android 10
Chipset
Joy
Qualcomm MSM8210 Snapdragon 200 (28 nm)
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
Joy
Dual-core 1.2 GHz Cortex-A7
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
Joy
Adreno 302
Q31
PowerVR GE8320
Card slot
Joy
microSDHC (dedicated slot)
Q31
microSDXC
Internal
Joy
4GB 512MB RAM
Q31
32GB 3GB RAM
Other
Joy
eMMC 4.5
Q31
eMMC 5.1
Single
Joy
5 MP
Q31
-
Features
Joy
LED flash
Q31
LED flash, panorama, HDR
Video
Joy
Yes
Q31
1080p@30fps
Dual
Joy
-
Q31
13 MP, f/1.8, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm
Single
Joy
VGA
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
Joy
Q31
1080p@30fps
Loudspeaker
Joy
Yes
Q31
Yes
3.5mm jack
Joy
Yes
Q31
Yes
WLAN
Joy
Wi-Fi 802.11 b/g/n, hotspot
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Joy
4.0, A2DP
Q31
5.0, A2DP, LE
Positioning
Joy
GPS
Q31
GPS
NFC
Joy
No
Q31
No
Radio
Joy
FM radio, RDS
Q31
No
USB
Joy
microUSB 2.0
Q31
microUSB 2.0
Sensors
Joy
Accelerometer
Q31
Accelerometer
Type
Joy
Li-Ion 1900 mAh, removable
Q31
Li-Ion 3000 mAh
Stand-by
Joy
Up to 518 h (2G) / Up to 641 h (3G)
Q31
-
Colors
Joy
Dark blue, White
Q31
Silver
Models
Joy
H220
Q31
LM-Q310N
SAR EU
Joy
1.25 W/kg (head) 1.10 W/kg (body)
Q31
-
Price
Joy
About 90 EUR
Q31
About 150 EUR