Screen size
Bold N1 4GWinner: 6.8"+16%
Z915.7"
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
5
spec wins
Screen size
Technology
Bold N1 4G
GSM / HSPA / LTE
Z91
GSM / HSPA / LTE
2G bands
Bold N1 4G
GSM 900 / 1800
Z91
GSM 900 / 1800
3G bands
Bold N1 4G
HSDPA 850 / 900 / 1900 / 2100
Z91
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
1, 3, 5, 40, 41
Speed
Bold N1 4G
HSPA, LTE
Z91
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Bold N1 4G
2025, June 04
Z91
2018, March. Released 2018, March
Status
Bold N1 4G
Available. Released 2025, June 04
Z91
Discontinued
Dimensions
Bold N1 4G
165 x 76.1 x 8.8 mm (6.50 x 3.00 x 0.35 in)
Z91
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
147 g (5.19 oz)
SIM
Bold N1 4G
Nano-SIM + Nano-SIM
Z91
Nano-SIM + Nano-SIM
Other
Bold N1 4G
IP54 dust protected and water resistant (water splashes)
Z91
-
Type
Bold N1 4G
IPS LCD, 90Hz
Z91
IPS LCD
Size
Bold N1 4G
6.75 inches, 110.0 cm2 (~87.6% screen-to-body ratio)
Z91
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
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
OS
Bold N1 4G
Android 14 (Go edition)
Z91
Android 7.1 (Nougat)
Chipset
Bold N1 4G
Unisoc SC9863A (28 nm)
Z91
Mediatek MT6739 (28 nm)
CPU
Bold N1 4G
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Z91
Quad-core 1.3 GHz Cortex-A53
GPU
Bold N1 4G
IMG8322
Z91
PowerVR GE8100
Card slot
Bold N1 4G
microSDXC
Z91
microSDXC (dedicated slot)
Internal
Bold N1 4G
64GB 4GB RAM
Z91
32GB 3GB RAM
Other
Bold N1 4G
-
Z91
eMMC 5.1
Single
Bold N1 4G
13 MP, f/2.0, (wide), 1/3.1", 1.12µm, PDAF
Z91
13 MP, f/2.0, 1/3.1", 1.12µm, AF
Features
Bold N1 4G
LED flash, HDR, panorama
Z91
LED flash
Video
Bold N1 4G
1080p@30fps
Z91
1080p@30fps
Single
Bold N1 4G
5 MP
Z91
8 MP, f/2.2
Video
Bold N1 4G
Yes
Z91
Features
Bold N1 4G
-
Z91
LED flash
Loudspeaker
Bold N1 4G
Yes
Z91
Yes
3.5mm jack
Bold N1 4G
Yes
Z91
Yes
WLAN
Bold N1 4G
Wi-Fi 802.11 b/g/n/ac
Z91
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Bold N1 4G
4.2, A2DP
Z91
4.0, A2DP
Positioning
Bold N1 4G
GPS
Z91
GPS
NFC
Bold N1 4G
No
Z91
No
Radio
Bold N1 4G
FM radio
Z91
FM radio
USB
Bold N1 4G
USB Type-C, OTG
Z91
microUSB 2.0, OTG
Sensors
Bold N1 4G
Fingerprint (side-mounted), accelerometer
Z91
Fingerprint (rear-mounted), accelerometer, proximity
Type
Bold N1 4G
Li-Ion 5000 mAh
Z91
Li-Po 3000 mAh, non-removable
Charging
Bold N1 4G
10W wired
Z91
-
Colors
Bold N1 4G
Radiant Black, Sparkling Ivory
Z91
Blue
Price
Bold N1 4G
About 70 EUR
Z91
About 10000 INR
Models
Bold N1 4G
-
Z91
Z91