Lava Z91 2Gb vs Tecno Spark 40

Product
Lava Z91 2Gb
99 USD
Tecno Spark 40
99 USD

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