Screen size
U Ultra5.7"
Wildfire E6 StarWinner: 6.6"+13%
Quick verdict
U Ultra leads the measured specs 13-2.
Measured wins
U Ultra
13
spec wins
Overall winner
Ties
3
equal specs
Wildfire E6 Star
2
spec wins
Screen size
Technology
U Ultra
GSM / HSPA / LTE
Wildfire E6 Star
GSM / HSPA / LTE
2G bands
U Ultra
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Wildfire E6 Star
GSM 850 / 900 / 1800 / 1900
3G bands
U Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Wildfire E6 Star
HSDPA 850 / 900 / 2100
4G bands
U Ultra
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Wildfire E6 Star
LTE
Speed
U Ultra
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat11 600/50 Mbps
Wildfire E6 Star
HSPA, LTE
Announced
U Ultra
2017, January 12. Released 2017, February 21
Wildfire E6 Star
2025, June 10
Status
U Ultra
Discontinued
Wildfire E6 Star
Available. Released 2025, July
Dimensions
U Ultra
162.4 x 79.8 x 8 mm (6.39 x 3.14 x 0.31 in)
Wildfire E6 Star
-
Weight
U Ultra
170 g (6.00 oz)
Wildfire E6 Star
-
Build
U Ultra
Glass front (Gorilla Glass 5 or Sapphire crystal), glass back, aluminum frame
Wildfire E6 Star
Glass front, plastic back, plastic frame
SIM
U Ultra
Nano-SIM + Nano-SIM
Wildfire E6 Star
Nano-SIM + Nano-SIM
Type
U Ultra
Super LCD5
Wildfire E6 Star
TFT LCD
Size
U Ultra
5.7 inches, 90.3 cm2 (~69.7% screen-to-body ratio)
Wildfire E6 Star
6.56 inches, 103.9 cm2
Resolution
U Ultra
1440 x 2560 pixels, 16:9 ratio (~513 ppi density)
Wildfire E6 Star
720 x 1600 pixels, 20:9 ratio (~267 ppi density)
Protection
U Ultra
Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
Wildfire E6 Star
-
Other
U Ultra
Secondary display, 160 x 1040 pixels, 2 inches
Wildfire E6 Star
-
OS
U Ultra
Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Wildfire E6 Star
Android 13 (Go edition)
Chipset
U Ultra
Qualcomm MSM8996 Snapdragon 821 (14 nm)
Wildfire E6 Star
-
CPU
U Ultra
Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
Wildfire E6 Star
-
GPU
U Ultra
Adreno 530
Wildfire E6 Star
-
Card slot
U Ultra
microSDXC (uses shared SIM slot)
Wildfire E6 Star
microSDXC
Internal
U Ultra
64GB 4GB RAM, 128GB 4GB RAM
Wildfire E6 Star
32GB 2GB RAM
Single
U Ultra
12 MP, f/1.8, 26mm (wide), 1/2.3", 1.55µm, PDAF, OIS
Wildfire E6 Star
5 MP
Features
U Ultra
Laser AF, Dual-LED dual-tone flash, panorama
Wildfire E6 Star
LED flash
Video
U Ultra
4K@30fps (24-bit/192kHz audio), 720p@120fps
Wildfire E6 Star
Yes
Single
U Ultra
16 MP, f/2.0, 27mm (wide), 1/3.06", 1.0µm
Wildfire E6 Star
5 MP
Features
U Ultra
HDR
Wildfire E6 Star
-
Video
U Ultra
1080p@30fps
Wildfire E6 Star
Yes
Loudspeaker
U Ultra
Yes
Wildfire E6 Star
Yes
3.5mm jack
U Ultra
No
Wildfire E6 Star
Yes
Other
U Ultra
24-bit/192kHz audio
Wildfire E6 Star
-
WLAN
U Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Wildfire E6 Star
Yes
Bluetooth
U Ultra
4.2, A2DP, LE
Wildfire E6 Star
Yes
Positioning
U Ultra
GPS, GLONASS, BDS
Wildfire E6 Star
Unspecified
NFC
U Ultra
Yes
Wildfire E6 Star
No
Radio
U Ultra
No
Wildfire E6 Star
Unspecified
USB
U Ultra
USB Type-C 3.1
Wildfire E6 Star
USB Type-C
Sensors
U Ultra
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Wildfire E6 Star
Accelerometer
Type
U Ultra
Li-Ion 3000 mAh, non-removable
Wildfire E6 Star
3000 mAh
Charging
U Ultra
18W wired, QC3
Wildfire E6 Star
-
Stand-by
U Ultra
Up to 312 h (3G)
Wildfire E6 Star
-
Talk time
U Ultra
Up to 26 h (3G)
Wildfire E6 Star
-
Colors
U Ultra
Brilliant Black, Cosmetic Pink, Ice White, Sapphire Blue
Wildfire E6 Star
Black
Models
U Ultra
U Ultra, U-1u, 2PZF1
Wildfire E6 Star
-
Price
U Ultra
About 250 EUR
Wildfire E6 Star
About 40 EUR