Lava Z40 vs O2 XDA Exec

Compare recorded specifications, size and practical differences.

Lava Z40

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O2 XDA Exec

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

WeightZ40: 165 g lighterZ40: 120 g · XDA Exec: 285 g
WidthZ40: 17.1 mm narrowerZ40: 63.9 mm · XDA Exec: 81 mm
Screen diagonalXDA Exec: 0.4 in smaller diagonalXDA Exec: 3.6 in · Z40: 4 in
DepthZ40: 13.3 mm thinnerZ40: 11.7 mm · XDA Exec: 25 mm
Release year2019 / 2005Z40: 2019 · XDA Exec: 2005

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front

Side

1. Z40
Height
125.5 mm
Width
63.9 mm
Depth
11.7 mm

Weight
120 g
2. XDA Exec
Height
127 mm
Width
81 mm
Depth
25 mm

Weight
285 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials

Everyday essentials
Specification	Z40	XDA Exec
Dimensions (HxWxD)	125.5 Х 63.9 Х 11.7 mm	127 Х 81 Х 25 mm
Weight	120 g	285 g
Technology	TN TFT	TFT
Screen size	4" inch	3.6" inch
Screen resolution	480 x 800 px	640 x 480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	64 MB RAM 128 MB ROM
Memory card support	microSD up to 64 GB	SDIO/MMC
BatteryCapacity is not battery life. No endurance test is implied.	2250 mAh Removable Li-Ion	1620 mAh Removable Li-Ion
Operating system OS	Android 8.1 Oreo (Go edition)	Microsoft Windows Mobile 5.0 PocketPC
Chipset	Unisoc SC9832E	Unknown
Headphone jack	Yes	No

Display

Display
Specification	Z40	XDA Exec
Touchscreen	capacitive touchscreen	resistive touchscreen
Display colors	16M	65K
Screen area	45.5 cm2	40.1 cm2
Screen format	5:3 (height:width)	4:3 (height:width)
Screen to body ratio	56.8%	39.0%
PPI /points per inch/	233 PPI	222 PPI
Screen protection	Corning Gorilla Glass (unspecified version)	Unknown

Camera and Video

Camera and Video
Specification	Z40	XDA Exec
Rear camera, main	2 MP Single	1.3 MP Single
Camera specs	2 MP	1.3 MP
Functions	LED flash	Unknown
Video	720p@30fps	Yes
Front camera, selfie	2 MP Single	0.3 MP Single
Specifications	2 MP	VGA videocall camera

Performance

Performance
Specification	Z40	XDA Exec
Processor CPU	Quad-core 1.4 GHz	Intel Bulverde 520 MHz
Graphics processor GPU	Mali	Unknown

General specs

General specs
Specification	Z40	XDA Exec
Release date	2019 March	2005 August
Colors	Gold Glossy Black	Stylish black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	3500 INR	300 EUR
Battery life	Unknown	Stand by time- Up to 250 h Talking time- Up to 8 h

Communication and Connectivity

Communication and Connectivity
Specification	Z40	XDA Exec
SIM card	Dual SIM (Nano-SIM dual stand-by)	Mini-SIM
Network	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 40(2300) 41(2500)	Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed	HSPA 21.1/5.76 Mbps LTE Cat4 150/50 Mbps	Yes 384 kbps
GPRS	Yes	Class 10
Edge	Yes	No
Wi-Fi	Wi-Fi 802.11 b/g/n WiFi Direct hotspot	Wi-Fi 802.11b
GPS	Yes with A-GPS GLONASS BDS	No
USB	microUSB 2.0	miniUSB
Bluetooth	4.2 A2DP LE	1.2

Music and Audio

Music and Audio
Specification	Z40	XDA Exec
Radio	FM radio	No
Others	Unknown	Handwriting recognition Dual speakers

Other features

Other features
Specification	Z40	XDA Exec
Dop	Sensors Accelerometer For India	Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek 9000 i-mate JASJAR and T-Mobile MDA IV.