Screen size
A1Winner: 5.5"+9.1%
Steel 25.0"
Quick verdict
A1 leads the measured specs 11-1.
Measured wins
A1
11
spec wins
Overall winner
Ties
6
equal specs
Steel 2
1
spec wins
Screen size
Technology
A1
GSM / HSPA / LTE
Steel 2
GSM / HSPA / EVDO / LTE
2G bands
A1
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Steel 2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A1
HSDPA 850 / 900 / 1900 / 2100
Steel 2
HSDPA 900 / 2100 , CDMA2000 1xEV-DO / TD-SCDMA
4G bands
A1
1, 3, 7, 38, 39, 40, 41
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
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Steel 2
1, 3, 7, 38, 39, 40, 41
Speed
A1
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Steel 2
HSPA, LTE
Announced
A1
2017, February. Released 2017, April
Steel 2
2016, December. Released 2017, January
Status
A1
Discontinued
Steel 2
Discontinued
Dimensions
A1
154.5 x 76.5 x 8.3 mm (6.08 x 3.01 x 0.33 in)
Steel 2
144.3 x 70.5 x 8.6 mm (5.68 x 2.78 x 0.34 in)
Weight
A1
182 g (6.42 oz)
Steel 2
160 g (5.64 oz)
SIM
A1
Nano-SIM + Micro-SIM
Steel 2
Dual SIM (Micro-SIM, dual stand-by)
Type
A1
IPS LCD
Steel 2
IPS LCD
Size
A1
5.5 inches, 83.4 cm2 (~70.6% screen-to-body ratio)
Steel 2
5.0 inches, 68.9 cm2 (~67.7% screen-to-body ratio)
Resolution
A1
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Steel 2
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
A1
Corning Gorilla Glass (unspecified version)
Steel 2
S
OS
A1
Android 7 (Nougat), Amigo 4
Steel 2
Android 6.0 (Marshmallow), Amigo 3.5
Chipset
A1
Mediatek MT6755 Helio P10 (28 nm)
Steel 2
Mediatek MT6737 (28 nm)
CPU
A1
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Steel 2
Quad-core 1.25 GHz Cortex-A53
GPU
A1
Mali-T860MP2
Steel 2
Mali-T720MP2
Card slot
A1
microSDXC (uses shared SIM slot)
Steel 2
microSDXC (dedicated slot)
Internal
A1
64GB 4GB RAM
Steel 2
16GB 3GB RAM, 32GB 3GB RAM
Other
A1
eMMC 5.1
Steel 2
eMMC 5.0
Single
A1
13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Steel 2
8 MP, AF
Features
A1
LED flash, HDR
Steel 2
LED flash, panorama, HDR
Video
A1
1080p@30fps
Steel 2
1080p@30fps
Single
A1
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Steel 2
5 MP
Video
A1
Steel 2
Loudspeaker
A1
Yes
Steel 2
Yes
3.5mm jack
A1
Yes
Steel 2
Yes
WLAN
A1
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Steel 2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
A1
4.0, A2DP
Steel 2
4.0, A2DP
Positioning
A1
GPS
Steel 2
GPS
NFC
A1
No
Steel 2
No
Radio
A1
FM radio
Steel 2
FM radio
USB
A1
microUSB 2.0, OTG
Steel 2
microUSB 2.0
Sensors
A1
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Steel 2
Accelerometer, proximity, compass
Type
A1
Li-Ion 4010 mAh, non-removable
Steel 2
Li-Po 4000 mAh, non-removable
Charging
A1
10W wired
Steel 2
-
Stand-by
A1
-
Steel 2
Up to 527 h (3G)
Talk time
A1
-
Steel 2
Up to 45 h (3G)
Colors
A1
Black, Gray, Gold
Steel 2
Jazz Gold, Gold Black
Models
A1
A1
Steel 2
-
Price
A1
About 280 EUR
Steel 2
About 210 EUR