Screen size
Go Flip 42.8"
Pop D1Winner: 3.5"+20%
Quick verdict
Pop D1 leads the measured specs 5-3.
Measured wins
Go Flip 4
3
spec wins
Ties
7
equal specs
Pop D1
5
spec wins
Overall winner
Screen size
Technology
Go Flip 4
GSM / HSPA / LTE
Pop D1
GSM / HSPA
2G bands
Go Flip 4
GSM 850 / 1900
Pop D1
GSM 850 / 900 / 1800 / 1900
3G bands
Go Flip 4
HSDPA 850 / 1700(AWS) / 1900
Pop D1
HSDPA 900 / 2100
4G bands
Go Flip 4
2, 4, 5, 12, 25, 26, 41, 66, 71
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Pop D1
-
Speed
Go Flip 4
HSPA, LTE
Pop D1
HSPA 21.1/5.76 Mbps
Announced
Go Flip 4
2021, September
Pop D1
2014, August. Released 2014, September
Status
Go Flip 4
Available. Released 2021, September
Pop D1
Discontinued
Dimensions
Go Flip 4
107.3 x 55.6 x 19.9 mm (4.22 x 2.19 x 0.78 in)
Pop D1
112.2 x 62 x 12 mm (4.42 x 2.44 x 0.47 in)
Weight
Go Flip 4
133 g (4.69 oz)
Pop D1
101 g (3.56 oz)
SIM
Go Flip 4
Nano-SIM
Pop D1
Mini-SIM
Type
Go Flip 4
TN TFT LCD
Pop D1
TFT, 256K colors
Size
Go Flip 4
2.8 inches, 24.3 cm2 (~40.7% screen-to-body ratio)
Pop D1
3.5 inches, 36.5 cm2 (~52.4% screen-to-body ratio)
Resolution
Go Flip 4
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Pop D1
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Other
Go Flip 4
Second external TN TFT display, 1.44 inches, 128 x 128 pixels
Pop D1
-
OS
Go Flip 4
KaiOS 3.0
Pop D1
Android 4.4.2 (KitKat)
Chipset
Go Flip 4
QM215 Snapdragon 215 (28 nm)
Pop D1
-
CPU
Go Flip 4
Quad-core 1.3 GHz Cortex-A53
Pop D1
Dual-core 1.0 GHz
GPU
Go Flip 4
Adreno 308
Pop D1
-
Card slot
Go Flip 4
microSDHC (dedicated slot)
Pop D1
microSDHC (dedicated slot)
Internal
Go Flip 4
4GB 512MB RAM
Pop D1
4GB 512MB RAM
Single
Go Flip 4
2 MP
Pop D1
2 MP
Video
Go Flip 4
480p@30fps
Pop D1
Yes
Features
Go Flip 4
-
Pop D1
HDR
Other
Go Flip 4
No
Pop D1
-
Single
Go Flip 4
-
Pop D1
VGA
Video
Go Flip 4
-
Pop D1
Loudspeaker
Go Flip 4
Yes
Pop D1
Yes
3.5mm jack
Go Flip 4
Yes
Pop D1
Yes
WLAN
Go Flip 4
Wi-Fi 802.11 b/g/n, hotspot
Pop D1
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
Go Flip 4
4.2, A2DP
Pop D1
4.0, A2DP
Positioning
Go Flip 4
GPS
Pop D1
GPS
NFC
Go Flip 4
No
Pop D1
No
Radio
Go Flip 4
FM radio
Pop D1
Stereo FM radio, RDS
USB
Go Flip 4
USB Type-C 2.0
Pop D1
microUSB 2.0
Sensors
Go Flip 4
Pop D1
Accelerometer, proximity
Type
Go Flip 4
Li-Ion 1850 mAh
Pop D1
Li-Ion 1300 mAh, removable
Stand-by
Go Flip 4
-
Pop D1
Up to 433 h (2G) / Up to 325 h (3G)
Talk time
Go Flip 4
-
Pop D1
Up to 6 h 40 min (2G) / Up to 2 h 40 min (3G)
Music play
Go Flip 4
-
Pop D1
Up to 20 h
Colors
Go Flip 4
Midnight Blue
Pop D1
Midnight Blue, Dark Chocolate, Dark Aubergine, White, Red, Yellow, Orange, Green, Purple
Models
Go Flip 4
4056W
Pop D1
-
SAR
Go Flip 4
0.78 W/kg (head) 1.27 W/kg (body)
Pop D1
-
Price
Go Flip 4
About 120 EUR
Pop D1
About 80 EUR