Karbonn A21 vs LeTV Max: 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.

Screen diagonal

A21: 1.83 in smaller diagonal

A21:

4.5 in

Max:

6.33 in
Release year

A21:

2012

Max:

2016

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. A21

Height:

Unknown
Width:

Unknown
Depth:

Unknown

Weight:

Unknown

Unavailable dimensions are omitted from the drawing.
2. Max

Height:

167.1 mm
Width:

83.5 mm
Depth:

9 mm

Weight:

204 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. A21

Screen diagonal:

4.5 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

57.6 cm²
2. Max

Screen diagonal:

6.33 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

110.5 cm²

Max has approximately 91.6% more rectangular screen area than A21.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A21: Original memory entry

4 GB · 512 MB RAM

Max: Original memory entry

64/128 GB · 512GB 4GB

Practical features

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

1. A21

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

2. Max

NFC:: Yes
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. A21

1800 mAh
2. Max

3400 mAh

+1600 mAh versus A21

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. A212. Max

Everyday essentials

Everyday essentials — specifications for A21, Max.
Specification	A21	Max
Dimensions (HxWxD)	Х Х mm	167.1 Х 83.5 Х 9 mm
Weight	0 g	204 g
Technology	TFT	IPS LCD
Screen size	4.5" inch	6.33" inch
Screen resolution	480 x 800 px	1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	4 GB 512 MB RAM	64/128 GB 512GB 4GB
Memory card support	microSD up to 32 GB (dedicated slot)	No
Battery Capacity is not battery life. No endurance test is implied.	1800 mAh Removable Li-Ion	3400 mAh Non-removable Li-Po
Operating system OS	Android 4.0 (Ice Cream Sandwich)	Android 5.1 (Lollipop)
Chipset	Unknown	Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC	Unknown	Yes
Headphone jack	Yes	Yes

Display

Display — specifications for A21, Max.
Specification	A21	Max
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	256K	16M
Screen area	57.6 cm2	110.5 cm2
Screen format	5:3 (height:width)	16:9 (height:width)
Screen to body ratio	Unknown	79.2%
PPI /points per inch/	207 PPI	464 PPI
Screen protection	Unknown	Corning Gorilla Glass 3

Camera and Video

Camera and Video — specifications for A21, Max.
Specification	A21	Max
Rear camera, main	5 MP Single	21 MP Single
Camera specs	5 MP AF	21 MP f/2.0 1/2.4'' OIS AF
Functions	LED flash	Dual-LED dual-tone flash panorama HDR
Video	Yes	1080p@30fps
Front camera, selfie	1.3 MP Single	4 MP Single
Specifications	1.3 MP	4 MP f/2.0 1/3'' 2µm

Performance

Performance — specifications for A21, Max.
Specification	A21	Max
Processor CPU	Dual-core 1.2 GHz	Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
Graphics processor GPU	Unknown	Adreno 430

General specs

General specs — specifications for A21, Max.
Specification	A21	Max
Release date	2012	2016 January
Colors	Pearl White	Gold Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	130 EUR	350 EUR
Battery life	Stand by time- Up to 200 h Talking time- Up to 5 h	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for A21, Max.
Specification	A21	Max
SIM card	Dual SIM (Mini-SIM)	Dual SIM (Micro-SIM/Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 7(2600) 38(2600) 40(2300)
Speed	HSPA 7.2/0.384 Mbps	HSPA LTE
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct DLNA hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS
USB	microUSB 2.0	Type-C 1.0 reversible connector (MHL2 TV-out)
Bluetooth	2.1 A2DP	4.1 A2DP LE
Harmful irradiation	SAR EU - 0.44 W/kg (head)	Unknown

Music and Audio

Music and Audio — specifications for A21, Max.
Specification	A21	Max
Radio	No	No
Others	Unknown	24-bit/192kHz audio -Dolby audio -DTS sound -Active noise cancellation with dedicated mic

Other features

Other features — specifications for A21, Max.
Specification	A21	Max
Dop	Sensors Accelerometer proximity	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass Infrared port - Fast battery charging

Karbonn A21 vs LeTV Max

Karbonn A21

LeTV Max

Key differences

Screen diagonal

Release year

Physical size

1. A21

2. Max

Screen size

1. A21

2. Max

Memory variants

Practical features

1. A21

2. Max

Battery capacity

Recorded battery capacity

1. A21

2. Max

Specifications

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