Screen size
Y31 (2015)4.7"
Y6tWinner: 6.7"+30%
Quick verdict
Y6t leads the measured specs 16-2.
Measured wins
Y31 (2015)
2
spec wins
Ties
5
equal specs
Y6t
16
spec wins
Overall winner
Screen size
Technology
Y31 (2015)
GSM / HSPA
Y6t
GSM / HSPA / LTE / 5G
2G bands
Y31 (2015)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Y6t
GSM 850 / 900 / 1800 / 1900
3G bands
Y31 (2015)
HSDPA 850 / 900 / 2100
Y6t
HSDPA 850 / 900 / 2100
Speed
Y31 (2015)
HSPA
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
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Y6t
HSPA, LTE, 5G
4G bands
Y31 (2015)
-
Y6t
1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41, 66
5G bands
Y31 (2015)
-
Y6t
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Announced
Y31 (2015)
2015, September. Released 2015, October
Y6t
2026, April 20
Status
Y31 (2015)
Discontinued
Y6t
Available. Released 2026, April 27
Dimensions
Y31 (2015)
137.2 x 68.8 x 8.4 mm (5.40 x 2.71 x 0.33 in)
Y6t
167.4 x 77.1 x 8.4 mm (6.59 x 3.04 x 0.33 in)
Weight
Y31 (2015)
137 g (4.83 oz)
Y6t
209 g (7.37 oz)
SIM
Y31 (2015)
Dual SIM
Y6t
Nano-SIM + Nano-SIM
Build
Y31 (2015)
-
Y6t
Glass front, plastic frame, plastic back
Other
Y31 (2015)
-
Y6t
IP65 dust tight and water resistant (low pressure water jets) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Type
Y31 (2015)
IPS LCD
Y6t
IPS LCD, 120Hz, 1200 nits (HBM)
Size
Y31 (2015)
4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio)
Y6t
6.74 inches, 109.7 cm2 (~85.0% screen-to-body ratio)
Resolution
Y31 (2015)
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Y6t
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
OS
Y31 (2015)
Android 5.1 (Lollipop), Funtouch 2.1
Y6t
Android 16, OriginOS 6
Chipset
Y31 (2015)
Mediatek MT6580 (28 nm)
Y6t
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU
Y31 (2015)
Quad-core 1.3 GHz Cortex-A7
Y6t
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
Y31 (2015)
Mali-400MP2
Y6t
Adreno 613
Card slot
Y31 (2015)
microSDXC (dedicated slot)
Y6t
microSDXC (dedicated slot)
Internal
Y31 (2015)
8GB 1GB RAM
Y6t
128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
Other
Y31 (2015)
-
Y6t
UFS 3.1
Single
Y31 (2015)
8 MP
Y6t
13 MP, f/2.2, (wide), AF
Features
Y31 (2015)
LED flash, HDR
Y6t
LED flash, panorama
Video
Y31 (2015)
720p@30fps
Y6t
1080p@30fps
Single
Y31 (2015)
2 MP
Y6t
5 MP, f/2.2, (wide)
Video
Y31 (2015)
Y6t
1080p@30fps
Loudspeaker
Y31 (2015)
Yes
Y6t
Yes, with stereo speakers
3.5mm jack
Y31 (2015)
Yes
Y6t
Yes
WLAN
Y31 (2015)
Wi-Fi 802.11 b/g/n, hotspot
Y6t
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Y31 (2015)
4.0, A2DP
Y6t
5.1, A2DP, LE, aptX HD, aptX Adaptive
Positioning
Y31 (2015)
GPS
Y6t
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Y31 (2015)
No
Y6t
No
Radio
Y31 (2015)
FM radio
Y6t
Unspecified
USB
Y31 (2015)
microUSB 2.0
Y6t
USB Type-C 2.0, OTG
Infrared port
Y31 (2015)
-
Y6t
Yes
Sensors
Y31 (2015)
Accelerometer, proximity, compass
Y6t
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
Y31 (2015)
2100 mAh, removable
Y6t
Li-Ion 6500 mAh
Charging
Y31 (2015)
-
Y6t
15W wired Reverse wired
Colors
Y31 (2015)
White, Black
Y6t
Black, Blue, Gold
Models
Y31 (2015)
Y31L, Y31
Y6t
V2559A
Price
Y31 (2015)
About 130 EUR
Y6t
About 210 EUR