Archos 50b Cobalt 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: 20 g lighter

50b Cobalt:

160 g

A77:

140 g
Screen diagonal

A77: 1 in smaller diagonal

50b Cobalt:

5.5 in

A77:

4.5 in
Chipset

50b Cobalt:

Qualcomm MSM8909 Snapdragon 210 (28 nm)

A77:

Spreadtrum SC9832

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. 50b Cobalt

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. 50b Cobalt

160 g

+20 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.

At least two phones need compatible screen dimensions for a drawing.

1. 50b Cobalt

50b Cobalt: Screen geometry unavailable or conflicting.
2. A77

Screen diagonal:

4.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

55.8 cm²

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 50b Cobalt, A77, compared at the same storage capacity.
Storage	50b Cobalt	A77
8 GB	Unknown	1 GB RAM

50b Cobalt: Original memory entry

16/32 GB · 1/2 GB RAM

Practical features

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

1. 50b Cobalt

NFC:: See details Super AMOLED
Headphone jack:: Yes
Memory card support:: See details microSD · up to 64 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. 50b Cobalt

2100 mAh

+100 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. 50b Cobalt2. A77

Everyday essentials

Everyday essentials — specifications for 50b Cobalt, A77.
Specification	50b Cobalt	A77
Dimensions (HxWxD)	144 Х 72 Х 0 mm	135 Х 67.2 Х 9.5 mm
Weight	160 g	140 g
Technology	IPS LCD	TN
Screen size	5.5" inch	4.5" inch
Screen resolution	720 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.	16/32 GB 1/2 GB RAM	8 GB 1 GB RAM
Memory card support	microSD up to 64 GB (dedicated slot)	microSD up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	2100 mAh Removable Li-Ion	2000 mAh Removable Li-Ion
Operating system OS	Android 6.0 (Marshmallow)	Android 6.0 (Marshmallow)
Chipset	Qualcomm MSM8909 Snapdragon 210 (28 nm)	Spreadtrum SC9832
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for 50b Cobalt, A77.
Specification	50b Cobalt	A77
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	68.9 cm2	55.8 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	136 Х 66.5 Х 9.6 mm	61.5%
PPI /points per inch/	294 PPI	218 PPI

Camera and Video

Camera and Video — specifications for 50b Cobalt, A77.
Specification	50b Cobalt	A77
Rear camera, main	13 MP Single	5 MP Single
Camera specs	13 MP AF	5 MP
Functions	Dual-LED flash HDR panorama	LED flash
Video	720p@30fps	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 50b Cobalt, A77.
Specification	50b Cobalt	A77
Processor CPU	Quad-core 1.1 GHz Cortex-A7	Quad-core 1.3 GHz
Graphics processor GPU	Adreno 304	Mali-400
Antutu 7 score *	17582	7812

General specs

General specs — specifications for 50b Cobalt, A77.
Specification	50b Cobalt	A77
Release date	2017 January	2017 May
Colors	Gray	Gold Silver Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	6099 INR

Communication and Connectivity

Communication and Connectivity — specifications for 50b Cobalt, A77.
Specification	50b Cobalt	A77
SIM card	Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM dual stand-by)	Dual SIM (Micro-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE 800 / 1800 / 2100 / 2600	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 42.2/11.5 Mbps LTE Cat4 150/50 Mbps	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 Wi-Fi Direct 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	4.0 A2DP	4.0 A2DP
Harmful irradiation	SAR EU - 0.35 W/kg (head) 1.62 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for 50b Cobalt, A77.
Specification	50b Cobalt	A77
Radio	FM radio	Stereo FM radio with RDS; reco

Other features

Other features — specifications for 50b Cobalt, A77.
Specification	50b Cobalt	A77
Dop	Sensors Fingerprint (rear-mounted) Sensors Accelerometer proximity	Sensors Accelerometer proximity - For India

Archos 50b Cobalt vs Lava A77