Lava A51 vs O2 XDA Exec

Compare recorded specifications, size and practical differences.

Lava A51

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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.

WidthA51: 15 mm narrowerA51: 66 mm · XDA Exec: 81 mm
Screen diagonalXDA Exec: 0.9 in smaller diagonalXDA Exec: 3.6 in · A51: 4.5 in
DepthA51: 15.1 mm thinnerA51: 9.9 mm · XDA Exec: 25 mm
HeightXDA Exec: 9 mm shorterXDA Exec: 127 mm · A51: 136 mm
Release year2016 / 2005A51: 2016 · 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. A51
Height
136 mm
Width
66 mm
Depth
9.9 mm

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

Weight
285 g

Specifications

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Everyday essentials

Everyday essentials
Specification	A51	XDA Exec
Dimensions (HxWxD)	136 Х 66 Х 9.9 mm	127 Х 81 Х 25 mm
Weight	0 g	285 g
Technology	TFT	TFT
Screen size	4.5" inch	3.6" inch
Screen resolution	480 x 854 px	640 x 480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 512 MB RAM	64 MB RAM 128 MB ROM
Memory card support	microSD up to 32 GB	SDIO/MMC
BatteryCapacity is not battery life. No endurance test is implied.	1750 mAh Removable Li-Ion	1620 mAh Removable Li-Ion
Operating system OS	Android 6.0 (Marshmallow)	Microsoft Windows Mobile 5.0 PocketPC
Chipset	Spreadtrum SC7731C	Unknown
Headphone jack	Yes	No

Display

Display
Specification	A51	XDA Exec
Touchscreen	capacitive touchscreen	resistive touchscreen
Display colors	16M	65K
Screen area	55.8 cm2	40.1 cm2
Screen format	16:9 (height:width)	4:3 (height:width)
Screen to body ratio	62.2%	39.0%
PPI /points per inch/	218 PPI	222 PPI

Camera and Video

Camera and Video
Specification	A51	XDA Exec
Rear camera, main	5 MP Single	1.3 MP Single
Camera specs	5 MP	1.3 MP
Functions	LED flash panorama	Unknown
Video	Yes	Yes
Front camera, selfie	0.3 MP Single	0.3 MP Single
Specifications	VGA	VGA videocall camera

Performance

Performance
Specification	A51	XDA Exec
Processor CPU	Quad-core 1.2 GHz	Intel Bulverde 520 MHz

General specs

General specs
Specification	A51	XDA Exec
Release date	2016 October	2005 August
Colors	Gray Black Gold	Stylish black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	Unknown	300 EUR
Battery life	Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G)	Stand by time- Up to 250 h Talking time- Up to 8 h

Communication and Connectivity

Communication and Connectivity
Specification	A51	XDA Exec
SIM card	Dual SIM	Mini-SIM
Network	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2	Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed	HSPA	Yes 384 kbps
GPRS	Yes	Class 10
Edge	Yes	No
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11b
GPS	Yes with A-GPS	No
USB	microUSB 2.0	miniUSB
Bluetooth	2.1 EDR	1.2

Music and Audio

Music and Audio
Specification	A51	XDA Exec
Radio	FM radio	No
Others	Unknown	Handwriting recognition Dual speakers

Other features

Other features
Specification	A51	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.