Screen size
Icon HD X551Winner: 5.5"+9.1%
Ultra 5.0 LTE L5005.0"
Quick verdict
Icon HD X551 leads the measured specs 5-3.
Measured wins
Icon HD X551
5
spec wins
Overall winner
Ties
10
equal specs
Ultra 5.0 LTE L500
3
spec wins
Screen size
Technology
Icon HD X551
GSM / HSPA
Ultra 5.0 LTE L500
GSM / HSPA / LTE
2G bands
Icon HD X551
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Ultra 5.0 LTE L500
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Icon HD X551
HSDPA 850 / 1900 / 2100
Ultra 5.0 LTE L500
HSDPA 850 / 1700(AWS) / 1900 - L500A, HSDPA 850 / 1900 / 2100 - L500B
Speed
Icon HD X551
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
equal specsFront camera
equal specsBattery
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
Ultra 5.0 LTE L500
HSPA 21.1/5.76 Mbps, LTE
4G bands
Icon HD X551
-
Ultra 5.0 LTE L500
2, 4, 7, 17
Announced
Icon HD X551
2015, November. Released 2016, January
Ultra 5.0 LTE L500
2015, July. Released 2015, July
Status
Icon HD X551
Discontinued
Ultra 5.0 LTE L500
Discontinued
Dimensions
Icon HD X551
153.2 x 79 x 8.2 mm (6.03 x 3.11 x 0.32 in)
Ultra 5.0 LTE L500
143 x 73 x 8.4 mm (5.63 x 2.87 x 0.33 in)
Weight
Icon HD X551
115 g (4.06 oz)
Ultra 5.0 LTE L500
129 g (4.55 oz)
SIM
Icon HD X551
Dual SIM (Micro-SIM/ Mini-SIM, dual stand-by)
Ultra 5.0 LTE L500
Dual SIM (Micro-SIM, dual stand-by)
Type
Icon HD X551
IPS LCD
Ultra 5.0 LTE L500
IPS LCD
Size
Icon HD X551
5.5 inches, 83.4 cm2 (~68.9% screen-to-body ratio)
Ultra 5.0 LTE L500
5.0 inches, 68.9 cm2 (~66.0% screen-to-body ratio)
Resolution
Icon HD X551
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Ultra 5.0 LTE L500
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
Icon HD X551
Android 5.1 (Lollipop)
Ultra 5.0 LTE L500
Android 4.4.4 (KitKat)
Chipset
Icon HD X551
Mediatek MT6580A (28 nm)
Ultra 5.0 LTE L500
Qualcomm MSM8916 Snapdragon 410 (28 nm)
CPU
Icon HD X551
Quad-core 1.3 GHz Cortex-A7
Ultra 5.0 LTE L500
Quad-core 1.2 GHz Cortex-A53
GPU
Icon HD X551
Mali-400MP2
Ultra 5.0 LTE L500
Adreno 306
Card slot
Icon HD X551
microSDHC
Ultra 5.0 LTE L500
microSDXC
Internal
Icon HD X551
16GB 1GB RAM
Ultra 5.0 LTE L500
8GB 1GB RAM
Other
Icon HD X551
-
Ultra 5.0 LTE L500
eMMC 4.5
Single
Icon HD X551
8 MP, AF
Ultra 5.0 LTE L500
8 MP, AF
Features
Icon HD X551
LED flash, HDR, panorama
Ultra 5.0 LTE L500
LED flash, panorama
Video
Icon HD X551
1080p@30fps
Ultra 5.0 LTE L500
720p@30fps
Single
Icon HD X551
2 MP
Ultra 5.0 LTE L500
2 MP
Video
Icon HD X551
Ultra 5.0 LTE L500
Loudspeaker
Icon HD X551
Yes
Ultra 5.0 LTE L500
Yes, with stereo speakers
3.5mm jack
Icon HD X551
Yes
Ultra 5.0 LTE L500
Yes
WLAN
Icon HD X551
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
Ultra 5.0 LTE L500
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
Bluetooth
Icon HD X551
4.0, A2DP, EDR
Ultra 5.0 LTE L500
4.0, A2DP, EDR
Positioning
Icon HD X551
GPS
Ultra 5.0 LTE L500
GPS
NFC
Icon HD X551
No
Ultra 5.0 LTE L500
No
Radio
Icon HD X551
FM radio
Ultra 5.0 LTE L500
FM radio
USB
Icon HD X551
microUSB 2.0
Ultra 5.0 LTE L500
microUSB 2.0
Sensors
Icon HD X551
Accelerometer, proximity, compass
Ultra 5.0 LTE L500
Accelerometer, proximity, compass
Type
Icon HD X551
Li-Po 2100 mAh, removable
Ultra 5.0 LTE L500
Li-Po 2230 mAh battery
Stand-by
Icon HD X551
Up to 700 h (2G) / Up to 250 h (3G)
Ultra 5.0 LTE L500
Up to 400 h (2G) / Up to 200 h (3G)
Talk time
Icon HD X551
Up to 22 h (2G) / Up to 12 h (3G)
Ultra 5.0 LTE L500
Up to 4 h (2G) / Up to 4 h (3G)
Colors
Icon HD X551
Dark Grey, White, Gold, Rose Gold, Silver
Ultra 5.0 LTE L500
Black, White