Screen size
Bold N1 4GWinner: 6.8"+16%
Z815.7"
Quick verdict
Bold N1 4G leads the measured specs 8-6.
Measured wins
Bold N1 4G
8
spec wins
Overall winner
Ties
6
equal specs
Z81
6
spec wins
Screen size
Technology
Bold N1 4G
GSM / HSPA / LTE
Z81
GSM / HSPA / LTE
2G bands
Bold N1 4G
GSM 900 / 1800
Z81
GSM 900 / 1800
3G bands
Bold N1 4G
HSDPA 850 / 900 / 1900 / 2100
Z81
HSDPA 900 / 2100
4G bands
Bold N1 4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
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
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Z81
1, 3, 5, 8, 40, 41
Speed
Bold N1 4G
HSPA, LTE
Z81
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Bold N1 4G
2025, June 04
Z81
2018, October. Released 2018, October
Status
Bold N1 4G
Available. Released 2025, June 04
Z81
Discontinued
Dimensions
Bold N1 4G
165 x 76.1 x 8.8 mm (6.50 x 3.00 x 0.35 in)
Z81
152.2 x 73 x 7.9 mm (5.99 x 2.87 x 0.31 in)
Weight
Bold N1 4G
200 g (7.05 oz)
Z81
141 g (4.97 oz)
SIM
Bold N1 4G
Nano-SIM + Nano-SIM
Z81
Nano-SIM + Nano-SIM
Other
Bold N1 4G
IP54 dust protected and water resistant (water splashes)
Z81
-
Type
Bold N1 4G
IPS LCD, 90Hz
Z81
IPS LCD
Size
Bold N1 4G
6.75 inches, 110.0 cm2 (~87.6% screen-to-body ratio)
Z81
5.7 inches, 83.8 cm2 (~75.5% screen-to-body ratio)
Resolution
Bold N1 4G
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Z81
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
Protection
Bold N1 4G
-
Z81
Corning Gorilla Glass 3
OS
Bold N1 4G
Android 14 (Go edition)
Z81
Android 8.1 (Oreo)
Chipset
Bold N1 4G
Unisoc SC9863A (28 nm)
Z81
Mediatek MT6761 Helio A22 (12 nm)
CPU
Bold N1 4G
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Z81
Quad-core 2.0 GHz Cortex-A53
GPU
Bold N1 4G
IMG8322
Z81
PowerVR GE8320
Card slot
Bold N1 4G
microSDXC
Z81
microSDXC (dedicated slot)
Internal
Bold N1 4G
64GB 4GB RAM
Z81
16GB 2GB RAM, 32GB 3GB RAM
Other
Bold N1 4G
-
Z81
eMMC 5.1
Single
Bold N1 4G
13 MP, f/2.0, (wide), 1/3.1", 1.12µm, PDAF
Z81
13 MP, f/2.2
Features
Bold N1 4G
LED flash, HDR, panorama
Z81
LED flash, HDR, panorama
Video
Bold N1 4G
1080p@30fps
Z81
1080p@30fps
Single
Bold N1 4G
5 MP
Z81
13 MP, f/2.0
Video
Bold N1 4G
Yes
Z81
Features
Bold N1 4G
-
Z81
LED flash
Loudspeaker
Bold N1 4G
Yes
Z81
Yes
3.5mm jack
Bold N1 4G
Yes
Z81
Yes
WLAN
Bold N1 4G
Wi-Fi 802.11 b/g/n/ac
Z81
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Bold N1 4G
4.2, A2DP
Z81
4.2, A2DP, LE
Positioning
Bold N1 4G
GPS
Z81
GPS
NFC
Bold N1 4G
No
Z81
No
Radio
Bold N1 4G
FM radio
Z81
FM radio
USB
Bold N1 4G
USB Type-C, OTG
Z81
microUSB 2.0
Sensors
Bold N1 4G
Fingerprint (side-mounted), accelerometer
Z81
Fingerprint (rear-mounted), accelerometer, proximity
Type
Bold N1 4G
Li-Ion 5000 mAh
Z81
Li-Po 3000 mAh, non-removable
Charging
Bold N1 4G
10W wired
Z81
-
Colors
Bold N1 4G
Radiant Black, Sparkling Ivory
Z81
Black/Blue, Gold/Black
Price
Bold N1 4G
About 70 EUR
Z81
-
Models
Bold N1 4G
-
Z81
Z81