Screen size
55 GraphiteWinner: 5.5"+5.5%
Diamond Alpha5.2"
Quick verdict
Diamond Alpha leads the measured specs 9-3.
Measured wins
55 Graphite
3
spec wins
Ties
5
equal specs
Diamond Alpha
9
spec wins
Overall winner
Screen size
Technology
55 Graphite
GSM / HSPA / LTE
Diamond Alpha
GSM / HSPA / LTE
2G bands
55 Graphite
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Diamond Alpha
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
55 Graphite
HSDPA 900 / 2100
Diamond Alpha
HSDPA 900 / 2100
4G bands
55 Graphite
LTE 800 / 1800 / 2100 / 2600
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Diamond Alpha
1, 3, 7, 20
Speed
55 Graphite
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Diamond Alpha
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Announced
55 Graphite
2017, February. Released 2017, June
Diamond Alpha
2017, June. Released 2017, July
Status
55 Graphite
Discontinued
Diamond Alpha
Discontinued
Dimensions
55 Graphite
157.8 x 77.2 x 7.8 mm (6.21 x 3.04 x 0.31 in)
Diamond Alpha
146.7 x 72.5 x 7.5 mm (5.78 x 2.85 x 0.30 in)
Weight
55 Graphite
-
Diamond Alpha
155 g (5.47 oz)
SIM
55 Graphite
Dual SIM
Diamond Alpha
Nano-SIM + Nano-SIM
Type
55 Graphite
IPS LCD
Diamond Alpha
IPS LCD
Size
55 Graphite
5.5 inches, 83.4 cm2 (~68.5% screen-to-body ratio)
Diamond Alpha
5.2 inches, 74.5 cm2 (~70.1% screen-to-body ratio)
Resolution
55 Graphite
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Diamond Alpha
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
OS
55 Graphite
Android 7.0 (Nougat)
Diamond Alpha
Android 6.0 (Marshmallow)
Chipset
55 Graphite
Mediatek MT6737 (28 nm)
Diamond Alpha
Qualcomm MSM8976 Snapdragon 652 (28 nm)
CPU
55 Graphite
Quad-core 1.5 GHz Cortex-A53
Diamond Alpha
Octa-core (4x1.8 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53)
GPU
55 Graphite
Mali-T720MP2
Diamond Alpha
Adreno 510
Card slot
55 Graphite
microSDXC
Diamond Alpha
microSDXC (uses shared SIM slot)
Internal
55 Graphite
16GB 2GB RAM
Diamond Alpha
64GB 4GB RAM
Other
55 Graphite
eMMC 5.0
Diamond Alpha
eMMC 5.1
Dual
55 Graphite
13 MP, AF Auxiliary lens
Diamond Alpha
-
Features
55 Graphite
LED flash, HDR, panorama
Diamond Alpha
LED flash, HDR, panorama
Video
55 Graphite
1080p@30fps
Diamond Alpha
4K@30fps, 1080p@30fps
Single
55 Graphite
-
Diamond Alpha
13 MP, 1/2.9", 1.25µm, AF 13 MP B/W
Single
55 Graphite
5 MP
Diamond Alpha
16 MP, f/2.2, 26mm (wide), 1/3.06", 1.0µm
Video
55 Graphite
Diamond Alpha
1080p@30fps
Loudspeaker
55 Graphite
Yes
Diamond Alpha
Yes
3.5mm jack
55 Graphite
Yes
Diamond Alpha
Yes
WLAN
55 Graphite
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Diamond Alpha
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
55 Graphite
4.1, A2DP, LE
Diamond Alpha
4.2, A2DP, LE
Positioning
55 Graphite
GPS
Diamond Alpha
GPS
NFC
55 Graphite
No
Diamond Alpha
No
Radio
55 Graphite
FM radio
Diamond Alpha
No
USB
55 Graphite
microUSB 2.0, OTG
Diamond Alpha
USB Type-C, OTG
Sensors
55 Graphite
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Diamond Alpha
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
55 Graphite
Li-Ion 3000 mAh, non-removable
Diamond Alpha
Li-Ion 2950 mAh, non-removable
Stand-by
55 Graphite
-
Diamond Alpha
Up to 320 h (3G)
Talk time
55 Graphite
-
Diamond Alpha
Up to 11 h (3G)
Colors
55 Graphite
Black
Diamond Alpha
Black
Price
55 Graphite
About 180 EUR
Diamond Alpha
About 350 EUR
SAR EU
55 Graphite
-
Diamond Alpha
1.02 W/kg (head) 0.76 W/kg (body)