Screen size
Bold N1 4GWinner: 6.8"+16%
Z91 (2GB)5.7"
Quick verdict
Bold N1 4G leads the measured specs 10-5.
Measured wins
Bold N1 4G
10
spec wins
Overall winner
Ties
5
equal specs
Z91 (2GB)
5
spec wins
Screen size
Technology
Bold N1 4G
GSM / HSPA / LTE
Z91 (2GB)
GSM / HSPA / LTE
2G bands
Bold N1 4G
GSM 900 / 1800
Z91 (2GB)
GSM 900 / 1800
3G bands
Bold N1 4G
HSDPA 850 / 900 / 1900 / 2100
Z91 (2GB)
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
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Z91 (2GB)
1, 3, 5, 40, 41
Speed
Bold N1 4G
HSPA, LTE
Z91 (2GB)
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Bold N1 4G
2025, June 04
Z91 (2GB)
2018, July. Released 2018, July
Status
Bold N1 4G
Available. Released 2025, June 04
Z91 (2GB)
Discontinued
Dimensions
Bold N1 4G
165 x 76.1 x 8.8 mm (6.50 x 3.00 x 0.35 in)
Z91 (2GB)
152 x 72.9 x 7.7 mm (5.98 x 2.87 x 0.30 in)
Weight
Bold N1 4G
200 g (7.05 oz)
Z91 (2GB)
147 g (5.19 oz)
SIM
Bold N1 4G
Nano-SIM + Nano-SIM
Z91 (2GB)
Nano-SIM + Nano-SIM
Other
Bold N1 4G
IP54 dust protected and water resistant (water splashes)
Z91 (2GB)
-
Type
Bold N1 4G
IPS LCD, 90Hz
Z91 (2GB)
IPS LCD
Size
Bold N1 4G
6.75 inches, 110.0 cm2 (~87.6% screen-to-body ratio)
Z91 (2GB)
5.7 inches, 83.8 cm2 (~75.7% screen-to-body ratio)
Resolution
Bold N1 4G
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Z91 (2GB)
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
OS
Bold N1 4G
Android 14 (Go edition)
Z91 (2GB)
Android 7.1 (Nougat)
Chipset
Bold N1 4G
Unisoc SC9863A (28 nm)
Z91 (2GB)
Mediatek MT6739 (28 nm)
CPU
Bold N1 4G
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Z91 (2GB)
Quad-core 1.3 GHz Cortex-A53
GPU
Bold N1 4G
IMG8322
Z91 (2GB)
PowerVR GE8100
Card slot
Bold N1 4G
microSDXC
Z91 (2GB)
microSDXC (dedicated slot)
Internal
Bold N1 4G
64GB 4GB RAM
Z91 (2GB)
16GB 2GB RAM
Other
Bold N1 4G
-
Z91 (2GB)
eMMC 5.1
Single
Bold N1 4G
13 MP, f/2.0, (wide), 1/3.1", 1.12µm, PDAF
Z91 (2GB)
13 MP, f/2.0, 1/3.1", 1.12µm, AF
Features
Bold N1 4G
LED flash, HDR, panorama
Z91 (2GB)
LED flash
Video
Bold N1 4G
1080p@30fps
Z91 (2GB)
1080p@30fps
Single
Bold N1 4G
5 MP
Z91 (2GB)
8 MP, f/2.2
Video
Bold N1 4G
Yes
Z91 (2GB)
Features
Bold N1 4G
-
Z91 (2GB)
LED flash
Loudspeaker
Bold N1 4G
Yes
Z91 (2GB)
Yes
3.5mm jack
Bold N1 4G
Yes
Z91 (2GB)
Yes
WLAN
Bold N1 4G
Wi-Fi 802.11 b/g/n/ac
Z91 (2GB)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Bold N1 4G
4.2, A2DP
Z91 (2GB)
4.0, A2DP
Positioning
Bold N1 4G
GPS
Z91 (2GB)
GPS
NFC
Bold N1 4G
No
Z91 (2GB)
No
Radio
Bold N1 4G
FM radio
Z91 (2GB)
FM radio
USB
Bold N1 4G
USB Type-C, OTG
Z91 (2GB)
microUSB 2.0, OTG
Sensors
Bold N1 4G
Fingerprint (side-mounted), accelerometer
Z91 (2GB)
Fingerprint (rear-mounted), accelerometer, proximity
Type
Bold N1 4G
Li-Ion 5000 mAh
Z91 (2GB)
Li-Po 3000 mAh, non-removable
Charging
Bold N1 4G
10W wired
Z91 (2GB)
-
Colors
Bold N1 4G
Radiant Black, Sparkling Ivory
Z91 (2GB)
Blue
Price
Bold N1 4G
About 70 EUR
Z91 (2GB)
About 9000 INR