Micromax A28 Bolt vs Sonim XP6: 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

A28 Bolt: 181 g lighter

A28 Bolt:

89 g

XP6:

270 g
Width

A28 Bolt: 2 mm narrower

A28 Bolt:

62.5 mm

XP6:

64.5 mm
Screen diagonal

XP6: 0.87 in smaller diagonal

A28 Bolt:

3.5 in

XP6:

2.63 in
Depth

A28 Bolt: 8 mm thinner

A28 Bolt:

12.5 mm

XP6:

20.5 mm
Height

A28 Bolt: 20.1 mm shorter

A28 Bolt:

116.9 mm

XP6:

137 mm

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. A28 Bolt

Height:

116.9 mm
Width:

62.5 mm
Depth:

12.5 mm
2. XP6

Height:

137 mm +20.1 mm versus A28 Bolt
Width:

64.5 mm +2 mm versus A28 Bolt
Depth:

20.5 mm +8 mm versus A28 Bolt

Weight

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

1. A28 Bolt

89 g
2. XP6

270 g

+181 g versus A28 Bolt

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. A28 Bolt

Screen diagonal:

3.5 in

Aspect ratio (height:width):

3:2

Approximate rectangular screen area:

36.5 cm²
2. XP6

Screen diagonal:

2.63 in

Aspect ratio (height:width):

4:3

Approximate rectangular screen area:

21.4 cm²

A28 Bolt has approximately 70.3% more rectangular screen area than XP6.

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 A28 Bolt, XP6, compared at the same storage capacity.
Storage	A28 Bolt	XP6
8 GB	Unknown	1 GB RAM

A28 Bolt: Original memory entry

512 MB · 256 MB 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. A28 Bolt

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

2. XP6

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: No

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. A28 Bolt

1500 mAh
2. XP6

4800 mAh

+3300 mAh versus A28 Bolt

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. A28 Bolt2. XP6

Everyday essentials

Everyday essentials — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
Dimensions (HxWxD)	116.9 Х 62.5 Х 12.5 mm	137 Х 64.5 Х 20.5 mm
Weight	89 g	270 g
Technology	TFT	Unknown
Screen size	3.5" inch	2.63" inch
Screen resolution	320 x 480 px	320 x 432 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	512 MB 256 MB RAM	8 GB 1 GB RAM
Memory card support	microSD up to 32 GB (dedicated slot)	No
Battery Capacity is not battery life. No endurance test is implied.	1500 mAh Removable Li-Ion	4800 mAh Non-removable Li-Ion
Operating system OS	Android 2.3 (Gingerbread)	Android 4.4.2 (KitKat)
Chipset	Unknown	Qualcomm MSM8926 Snapdragon 400 (28 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	65K	256K
Screen area	36.5 cm2	21.3 cm2
Screen format	3:2 (height:width)	4:3 (height:width)
Screen to body ratio	49.9%	24.2%
PPI /points per inch/	165 PPI	204 PPI
Screen protection	Unknown	Yes

Camera and Video

Camera and Video — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
Rear camera, main	0.3 MP Single	5 MP Single
Camera specs	Unknown	5 MP
Video	320p	720p@30fps
Front camera, selfie	0.3 MP Single	0 MP,
Specifications	VGA	Unknown

Performance

Performance — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
Processor CPU	1.0 GHz Cortex-A5	Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU	Mali-300	Adreno 305

General specs

General specs — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
Release date	2014	2014 November
Colors	Black	Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	40 EUR	490 EUR
Battery life	Stand by time- Up to 260 h Talking time- Up to 4 h	Stand by time- Up to 1080 h Talking time- Up to 40 h

Communication and Connectivity

Communication and Connectivity — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
SIM card	Dual SIM (Mini-SIM)	Micro-SIM
Network	Unknown	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700)
Speed	Unknown	HSPA LTE
GPRS	Class 12	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n dual-band hotspot
GPS	No	Yes with A-GPS GLONASS
USB	microUSB	microUSB 2.0
Bluetooth	2.1 A2DP	4.0 A2DP LE

Music and Audio

Music and Audio — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
Radio	FM radio recording	FM radio
Others	Unknown	Active noise cancellation with dedicated mic

Other features

Other features — specifications for A28 Bolt, XP6.
Specification	A28 Bolt	XP6
Dop	Unknown	Sensors Accelerometer proximity - MIL-STD-810G compliant -IP68/IP69 dust/water proof (up to 1.8m for 30 min) -Drop-to-concrete resistance from up to 2m -Operational range -20°C to +55°C -Flashlight

Micromax A28 Bolt vs Sonim XP6