Screen size
equal specsP515.0"
P905.0"
Quick verdict
P51 leads the measured specs 4-3.
Measured wins
P51
4
spec wins
Overall winner
Ties
10
equal specs
P90
3
spec wins
Screen size
equal specsTechnology
P51
GSM / HSPA
P90
GSM / HSPA / LTE
2G bands
P51
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
P90
GSM 850 / 900 / 1800 / 1900
3G bands
P51
HSDPA 900 / 2100
P90
HSDPA 900 / 2100
Speed
P51
HSPA 42.2/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
P90
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
4G bands
P51
-
P90
1, 3, 5, 40, 41
Announced
P51
2013, May. Released 2013, October
P90
2018, June. Released 2018, June
Status
P51
Discontinued
P90
Discontinued
Dimensions
P51
144 x 75 x 8.5 mm (5.67 x 2.95 x 0.33 in)
P90
143 x 71.8 x 9.3 mm (5.63 x 2.83 x 0.37 in)
Weight
P51
135 g (4.76 oz)
P90
151.7 g (5.36 oz)
SIM
P51
Dual SIM (Micro-SIM)
P90
Dual SIM
Type
P51
IPS LCD
P90
IPS LCD
Size
P51
5.0 inches, 68.9 cm2 (~63.8% screen-to-body ratio)
P90
5.0 inches, 68.9 cm2 (~67.1% screen-to-body ratio)
Resolution
P51
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
P90
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
P51
-
P90
Corning Gorilla Glass (unspecified version)
OS
P51
Android 4.2 (Jelly Bean)
P90
Android 7.0 (Nougat)
Chipset
P51
Mediatek MT6589 (28 nm)
P90
Mediatek MT6737 (28 nm)
CPU
P51
Quad-core 1.2 GHz Cortex-A7
P90
Quad-core 1.3 GHz Cortex-A53
GPU
P51
PowerVR SGX544
P90
Mali-T720
Card slot
P51
microSDHC (dedicated slot)
P90
microSDXC
Internal
P51
4GB 1GB RAM
P90
16GB 1GB RAM
Other
P51
-
P90
eMMC 5.0
Single
P51
8 MP, AF
P90
5 MP, AF
Features
P51
LED flash
P90
LED flash, panorama
Video
P51
1080p@30fps
P90
720p@30fps
Single
P51
1.3 MP
P90
5 MP
Video
P51
720p
P90
Features
P51
-
P90
LED flash
Loudspeaker
P51
Yes
P90
Yes
3.5mm jack
P51
Yes
P90
Yes
WLAN
P51
Wi-Fi 802.11 b/g/n, hotspot
P90
Wi-Fi 802.11 b/g/n
Bluetooth
P51
4.0, A2DP, EDR
P90
4.0, A2DP, LE
Positioning
P51
GPS
P90
GPS
NFC
P51
No
P90
No
Radio
P51
No
P90
FM radio
USB
P51
microUSB 2.0
P90
microUSB 2.0, OTG
Infrared port
P51
-
P90
Yes
Sensors
P51
Accelerometer, proximity, compass
P90
Accelerometer, proximity
Type
P51
Li-Ion 2500 mAh, non-removable
P90
Li-Ion 2400 mAh battery
Colors
P51
Black, White
P90
Blue, Gold, Black
Price
P51
About 440 EUR
P90
About 6000 INR