Screen size
Bolt D321Winner: 5.0"+10%
Spark Vdeo Q4154.5"
Quick verdict
Spark Vdeo Q415 leads the measured specs 5-2.
Measured wins
Bolt D321
2
spec wins
Ties
10
equal specs
Spark Vdeo Q415
5
spec wins
Overall winner
Screen size
Technology
Bolt D321
GSM / HSPA
Spark Vdeo Q415
GSM / HSPA / LTE
2G bands
Bolt D321
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Spark Vdeo Q415
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
Bolt D321
HSDPA 900 / 2100
Spark Vdeo Q415
HSDPA 900 / 2100
Speed
Bolt D321
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
equal specsWired 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
Spark Vdeo Q415
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
4G bands
Bolt D321
-
Spark Vdeo Q415
3, 5, 40
Announced
Bolt D321
2015, February. Released 2015, February
Spark Vdeo Q415
2017, March. Released 2017, March
Status
Bolt D321
Discontinued
Spark Vdeo Q415
Discontinued
Dimensions
Bolt D321
-
Spark Vdeo Q415
133.8 x 67.5 x 10 mm (5.27 x 2.66 x 0.39 in)
Weight
Bolt D321
-
Spark Vdeo Q415
140 g (4.94 oz)
SIM
Bolt D321
Dual SIM
Spark Vdeo Q415
Dual SIM (Micro-SIM, dual stand-by)
Type
Bolt D321
TFT, 256K colors
Spark Vdeo Q415
IPS LCD
Size
Bolt D321
5.0 inches, 68.9 cm2
Spark Vdeo Q415
4.5 inches, 55.8 cm2 (~61.8% screen-to-body ratio)
Resolution
Bolt D321
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Spark Vdeo Q415
480 x 854 pixels, 16:9 ratio (~218 ppi density)
OS
Bolt D321
Android 4.4.2 (KitKat)
Spark Vdeo Q415
Android 6.0 (Marshmallow)
Chipset
Bolt D321
Mediatek MT6572 (28 nm)
Spark Vdeo Q415
Spreadtrum SC9832A
CPU
Bolt D321
Dual-core 1.3 GHz Cortex-A7
Spark Vdeo Q415
Quad-core 1.1 GHz
GPU
Bolt D321
Mali-400
Spark Vdeo Q415
-
Card slot
Bolt D321
microSDHC
Spark Vdeo Q415
microSDHC
Internal
Bolt D321
4GB 512MB RAM
Spark Vdeo Q415
8GB 1GB RAM
Single
Bolt D321
5 MP
Spark Vdeo Q415
5 MP
Features
Bolt D321
LED flash
Spark Vdeo Q415
LED flash
Video
Bolt D321
Yes
Spark Vdeo Q415
720p@30fps
Single
Bolt D321
2 MP
Spark Vdeo Q415
2 MP
Video
Bolt D321
Spark Vdeo Q415
Loudspeaker
Bolt D321
Yes
Spark Vdeo Q415
Yes
3.5mm jack
Bolt D321
Yes
Spark Vdeo Q415
Yes
WLAN
Bolt D321
Wi-Fi 802.11 b/g/n, hotspot
Spark Vdeo Q415
Wi-Fi 802.11 b/g/n
Bluetooth
Bolt D321
4.0, A2DP
Spark Vdeo Q415
4.0, A2DP
Positioning
Bolt D321
GPS
Spark Vdeo Q415
GPS
NFC
Bolt D321
No
Spark Vdeo Q415
No
Radio
Bolt D321
FM radio
Spark Vdeo Q415
FM radio
USB
Bolt D321
microUSB 2.0
Spark Vdeo Q415
microUSB 2.0
Sensors
Bolt D321
Accelerometer, proximity
Spark Vdeo Q415
Accelerometer
Type
Bolt D321
Li-Ion 1800 mAh, removable
Spark Vdeo Q415
Li-Ion 1800 mAh, non-removable
Stand-by
Bolt D321
Up to 300 h (3G)
Spark Vdeo Q415
Up to 150 h (3G)
Talk time
Bolt D321
Up to 7 h (3G)
Spark Vdeo Q415
Up to 5 h (3G)
Colors
Bolt D321
Black, White
Spark Vdeo Q415
Gold
SAR
Bolt D321
0.51 W/kg (head) 0.84 W/kg (body)
Spark Vdeo Q415
-
Price
Bolt D321
-
Spark Vdeo Q415
About 60 EUR