Screen size
Prime 3.53.5"
Prime 4.0Winner: 4.0"+12%
Quick verdict
Prime 4.0 leads the measured specs 5-3.
Measured wins
Prime 3.5
3
spec wins
Ties
6
equal specs
Prime 4.0
5
spec wins
Overall winner
Screen size
Technology
Prime 3.5
GSM / HSPA
Prime 4.0
GSM / HSPA
2G bands
Prime 3.5
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Prime 4.0
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Prime 3.5
HSDPA 850 / 1900
Prime 4.0
HSDPA 850 / 2100
Speed
Prime 3.5
HSPA 7.2/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain 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
Prime 4.0
HSPA
Announced
Prime 3.5
2014, July. Released 2014, July
Prime 4.0
2014, May. Released 2014, May
Status
Prime 3.5
Discontinued
Prime 4.0
Discontinued
Dimensions
Prime 3.5
119.5 x 63.5 x 10.9 mm (4.70 x 2.5 x 0.43 in)
Prime 4.0
124 x 66 x 9.3 mm (4.88 x 2.60 x 0.37 in)
Weight
Prime 3.5
-
Prime 4.0
-
SIM
Prime 3.5
Dual SIM
Prime 4.0
Dual SIM (Mini-SIM)
Type
Prime 3.5
TFT
Prime 4.0
IPS LCD
Size
Prime 3.5
3.5 inches, 36.5 cm2 (~48.1% screen-to-body ratio)
Prime 4.0
3.97 inches, 44.9 cm2 (~54.8% screen-to-body ratio)
Resolution
Prime 3.5
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Prime 4.0
480 x 800 pixels, 5:3 ratio (~235 ppi density)
Other
Prime 3.5
-
Prime 4.0
Flashlight
OS
Prime 3.5
Android 4.2.2 (Jelly Bean)
Prime 4.0
Android 4.2.2 (Jelly Bean)
Chipset
Prime 3.5
Mediatek MT6572M (28 nm)
Prime 4.0
Mediatek MT6572M/W
CPU
Prime 3.5
Dual-core 1.2 GHz Cortex-A7
Prime 4.0
Dual-core Cortex-A7
GPU
Prime 3.5
Mali-400
Prime 4.0
Mali-400
Card slot
Prime 3.5
microSDHC
Prime 4.0
microSDHC
Internal
Prime 3.5
4GB 512MB RAM
Prime 4.0
4GB 512MB RAM
Single
Prime 3.5
2 MP
Prime 4.0
2 MP
Features
Prime 3.5
LED flash
Prime 4.0
LED flash
Video
Prime 3.5
480p@30fps
Prime 4.0
Yes
Single
Prime 3.5
VGA
Prime 4.0
VGA
Video
Prime 3.5
Prime 4.0
Loudspeaker
Prime 3.5
Yes
Prime 4.0
Yes
3.5mm jack
Prime 3.5
Yes
Prime 4.0
Yes
WLAN
Prime 3.5
Wi-Fi 802.11 b/g
Prime 4.0
Wi-Fi 802.11 b/g/n
Bluetooth
Prime 3.5
2.1
Prime 4.0
2.0
Positioning
Prime 3.5
GPS
Prime 4.0
GPS
NFC
Prime 3.5
No
Prime 4.0
No
Radio
Prime 3.5
No
Prime 4.0
FM radio
USB
Prime 3.5
microUSB 2.0
Prime 4.0
microUSB
Sensors
Prime 3.5
Accelerometer
Prime 4.0
Accelerometer
Type
Prime 3.5
Li-Ion 1200 mAh, removable
Prime 4.0
Li-Ion 1550 mAh, removable
Stand-by
Prime 3.5
-
Prime 4.0
Up to 120 h
Talk time
Prime 3.5
-
Prime 4.0
Up to 3 h 20 min
Colors
Prime 3.5
White, Black
Prime 4.0
White, Black, Blue