HP Slate7 VoiceTab vs Lava A77: specs comparison

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.

Weight

A77: 185 g lighter

Slate7 VoiceTab:

325 g

A77:

140 g
Screen diagonal

A77: 2.5 in smaller diagonal

Slate7 VoiceTab:

7 in

A77:

4.5 in
Release year

Slate7 VoiceTab:

2014

A77:

2017

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.

1. Slate7 VoiceTab

Height:

Unknown
Width:

Unknown
Depth:

Unknown

Unavailable dimensions are omitted from the drawing.
2. A77

Height:

135 mm
Width:

67.2 mm
Depth:

9.5 mm

Weight

Bars start at zero and share a scale within this chart.

1. Slate7 VoiceTab

325 g

+185 g versus A77
2. A77

140 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. Slate7 VoiceTab

Screen diagonal:

7 in

Aspect ratio (height:width):

16:10

Approximate rectangular screen area:

142.1 cm²
2. A77

Screen diagonal:

4.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

55.8 cm²

Slate7 VoiceTab has approximately 154.5% more rectangular screen area than A77.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Slate7 VoiceTab, A77, compared at the same storage capacity.
Storage	Slate7 VoiceTab	A77
8 GB	Not recorded	1 GB RAM
16 GB	1 GB RAM	Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Slate7 VoiceTab

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB (dedicated slot)

2. A77

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Slate7 VoiceTab

4100 mAh

+2100 mAh versus A77
2. A77

2000 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Slate7 VoiceTab2. A77

Everyday essentials

Everyday essentials — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
Dimensions (HxWxD)	Х Х mm	135 Х 67.2 Х 9.5 mm
Weight	325 g	140 g
Technology	IPS LCD	TN
Screen size	7" inch	4.5" inch
Screen resolution	800 x 1280 px	480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16 GB 1 GB RAM	8 GB 1 GB RAM
Memory card support	microSD up to 32 GB (dedicated slot)	microSD up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	4100 mAh Non-removable Li-Ion	2000 mAh Removable Li-Ion
Operating system OS	Android 4.2.2 (Jelly Bean)	Android 6.0 (Marshmallow)
Chipset	Marvell PXA1088	Spreadtrum SC9832
Headphone jack	Yes	Yes

Display

Display — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	142.1 cm2	55.8 cm2
Screen format	16:10 (height:width)	16:9 (height:width)
Screen to body ratio	Unknown	61.5%
PPI /points per inch/	216 PPI	218 PPI

Camera and Video

Camera and Video — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
Rear camera, main	5 MP Single	5 MP Single
Camera specs	5 MP AF	5 MP
Functions	LED flash panorama	LED flash
Video	Yes	Yes
Front camera, selfie	2 MP Single	5 MP Single
Specifications	2 MP	5 MP

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
Processor CPU	Quad-core 1.2 GHz	Quad-core 1.3 GHz
Graphics processor GPU	Unknown	Mali-400
Antutu 7 score *	23415	7812

General specs

General specs — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
Release date	2014 January	2017 May
Colors	Black/White	Gold Silver Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	180 EUR	6099 INR

Communication and Connectivity

Communication and Connectivity — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
SIM card	Dual SIM (Mini-SIM & Micro-SIM)	Dual SIM (Micro-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800) 5(850) 40(2300)
Speed	HSPA	HSPA 42.2/11.5 Mbps LTE Cat4 150/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes with A-GPS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	3.0 EDR	4.0 A2DP

Music and Audio

Music and Audio — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
Radio	No	Stereo FM radio with RDS; reco
Others	Active noise cancellation with dedicated mic	Unknown

Other features

Other features — specifications for Slate7 VoiceTab, A77.
Specification	Slate7 VoiceTab	A77
Dop	Sensors Accelerometer gyro proximity compass - Preliminary official specifications	Sensors Accelerometer proximity - For India

HP Slate7 VoiceTab vs Lava A77