Screen size
Bold N1 4GWinner: 6.8"+19%
Z255.5"
Quick verdict
Bold N1 4G leads the measured specs 9-5.
Measured wins
Bold N1 4G
9
spec wins
Overall winner
Ties
6
equal specs
Z25
5
spec wins
Screen size
Technology
Bold N1 4G
GSM / HSPA / LTE
Z25
GSM / HSPA / LTE
2G bands
Bold N1 4G
GSM 900 / 1800
Z25
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Bold N1 4G
HSDPA 850 / 900 / 1900 / 2100
Z25
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
equal specsStorage
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
Z25
3, 5, 40
Speed
Bold N1 4G
HSPA, LTE
Z25
HSPA, LTE
Announced
Bold N1 4G
2025, June 04
Z25
2017, March. Released 2017, March
Status
Bold N1 4G
Available. Released 2025, June 04
Z25
Discontinued
Dimensions
Bold N1 4G
165 x 76.1 x 8.8 mm (6.50 x 3.00 x 0.35 in)
Z25
151.5 x 76.4 x 8.5 mm (5.96 x 3.01 x 0.33 in)
Weight
Bold N1 4G
200 g (7.05 oz)
Z25
163 g (5.75 oz)
SIM
Bold N1 4G
Nano-SIM + Nano-SIM
Z25
Nano-SIM + Micro-SIM
Other
Bold N1 4G
IP54 dust protected and water resistant (water splashes)
Z25
-
Type
Bold N1 4G
IPS LCD, 90Hz
Z25
IPS LCD
Size
Bold N1 4G
6.75 inches, 110.0 cm2 (~87.6% screen-to-body ratio)
Z25
5.5 inches, 83.4 cm2 (~72.0% screen-to-body ratio)
Resolution
Bold N1 4G
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Z25
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
OS
Bold N1 4G
Android 14 (Go edition)
Z25
Android 6.0 (Marshmallow)
Chipset
Bold N1 4G
Unisoc SC9863A (28 nm)
Z25
Mediatek MT6750 (28 nm)
CPU
Bold N1 4G
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Z25
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
Bold N1 4G
IMG8322
Z25
Mali-T860MP2
Card slot
Bold N1 4G
microSDXC
Z25
microSDXC (uses shared SIM slot)
Internal
Bold N1 4G
64GB 4GB RAM
Z25
32GB 4GB RAM
Other
Bold N1 4G
-
Z25
eMMC 5.1
Single
Bold N1 4G
13 MP, f/2.0, (wide), 1/3.1", 1.12µm, PDAF
Z25
13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Features
Bold N1 4G
LED flash, HDR, panorama
Z25
Dual-LED flash
Video
Bold N1 4G
1080p@30fps
Z25
1080p@30fps
Single
Bold N1 4G
5 MP
Z25
8 MP, f/2.0
Video
Bold N1 4G
Yes
Z25
Features
Bold N1 4G
-
Z25
LED flash
Loudspeaker
Bold N1 4G
Yes
Z25
Yes
3.5mm jack
Bold N1 4G
Yes
Z25
Yes
WLAN
Bold N1 4G
Wi-Fi 802.11 b/g/n/ac
Z25
Wi-Fi 802.11 b/g/n
Bluetooth
Bold N1 4G
4.2, A2DP
Z25
4.0, A2DP
Positioning
Bold N1 4G
GPS
Z25
GPS
NFC
Bold N1 4G
No
Z25
No
Radio
Bold N1 4G
FM radio
Z25
FM radio
USB
Bold N1 4G
USB Type-C, OTG
Z25
microUSB 2.0, OTG
Sensors
Bold N1 4G
Fingerprint (side-mounted), accelerometer
Z25
Fingerprint (rear-mounted), accelerometer, proximity
Type
Bold N1 4G
Li-Ion 5000 mAh
Z25
Li-Ion 3020 mAh, non-removable
Charging
Bold N1 4G
10W wired
Z25
-
Colors
Bold N1 4G
Radiant Black, Sparkling Ivory
Z25
Champagne Gold, Gray
Price
Bold N1 4G
About 70 EUR
Z25
About 250 EUR