Lava Z91 2Gb vs Tecno Spark 40
Product
Price
99 USD
99 USD
Status
Discontinued
Available
Brand
Lava
Tecno Mobiles
Model No
Z91 (2Gb)
KM5
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 900 / 1800 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 900 / 2100
HSDPA 900 / 2100
4G bands
1, 3, 5, 40, 41
LTE
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
Dimensions
152 x 72.9 x 7.7 mm (5.98 x 2.87 x 0.30 in)
165.6 x 77 x 7.7 mm (6.52 x 3.03 x 0.30 in)
Weight
147 g (5.19 oz)
Build
IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
SIM
Nano-SIM + Nano-SIM
Colors
Ink Black, Titanium Grey, Veil White, Mirage Blue
Size
5.7 inches, 83.8 cm2 (~75.7% screen-to-body ratio)
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Type
IPS LCD, 120Hz
Chipset
Mediatek MT6739 (28 nm)
Mediatek Helio G81 (12 nm)
Mediatek Helio G91 (12 nm) - NFC model
CPU
PowerVR GE8100
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
OS
Android 15, HIOS 15
GPU
Mali-G52 MC2
Storage
16GB 2GB RAM ,eMMC 5.1
128GB/56GB
Card Slot
microSDXC (dedicated slot)
microSDXC
RAM
4GB/6GB/8GB
Features
1080p@30fps
Dual-LED flash
Lens 1
50 MP, (wide), PDAF
Auxiliary lens
Video
1440p@30fps, 1080p@30fps
Features
Single
Dual-LED flash
Lens 1
8 MP, (wide)
Video
1080p@30fps
Capacity
Non-removable Li-Po 3000 mAh battery
5200 mAh
Charging
45W wired, 55 min to 100%
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (side-mounted); unspecified sensors
Bluetooth
4.0, A2DP
Yes
GPS
A-GPSRadio,FM radio
Yes
WLAN
Yes
NFC
Yes (market/region dependent)
Radio
FM radio
USB
USB Type-C
Launch Date
2025, July 02
Loudspeaker
Yes, with stereo speakers
3.5mm jack
Yes
