Energizer Ultimate U710S vs Karbonn A15

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    A15: 3.12 in smaller diagonal

    Ultimate U710S:
    7.12 in
    A15:
    4 in
  • Rear camera layout

    Ultimate U710S:
    Dual
    A15:
    Single
  • Release year

    Ultimate U710S:
    2020
    A15:
    2012

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. 1. Ultimate U710S

    Height:
    180.3 mm
    Width:
    86.8 mm
    Depth:
    9.2 mm
    Weight:
    Unknown
  2. 2. A15

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. 1. Ultimate U710S

    Screen diagonal:
    7.12 in
    Aspect ratio (height:width):
    18.7:9
    Approximate rectangular screen area:
    127.8 cm²
  2. 2. A15

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Ultimate U710S has approximately 180.6% more rectangular screen area than A15.

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 Ultimate U710S, A15, compared at the same storage capacity.
StorageUltimate U710SA15
32 GB 3 GB RAM Unknown
A15: Original memory entry

4 GB (2.5 GB user available) · 512 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. Ultimate U710S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. A15

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. 1. Ultimate U710S

    6000 mAh

    +4580 mAh versus A15

  2. 2. A15

    1420 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. Ultimate U710S2. A15

Everyday essentials
Everyday essentials — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
Dimensions (HxWxD)
  • 180.3 Х 86.8 Х 9.2 mm
  • Х Х mm
Weight
  • 0 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 7.12" inch
  • 4" inch
Screen resolution
  • 1080 x 2244 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 4 GB (2.5 GB user available)
  • 512 MB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 6000 mAh
  • Non-removable Li-Po
  • 1420 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6763 Helio P23 (16 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 127.8 cm2
  • 45.5 cm2
Screen format
  • 18.7:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 81.7%
Unknown
PPI /points per inch/
  • 350 PPI
  • 233 PPI
Screen protection
  • AGC glass
Unknown
Camera and Video
Camera and Video — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • PDAF -VGA
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
Unknown
Performance
Performance — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
  • 1.0 GHz
Graphics processor GPU
  • Mali-G71 MP2
Unknown
General specs
General specs — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
Release date
  • 2020
  • February 17
  • 2012
Colors
  • Gray
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Battery life Unknown
  • Stand by time- Up to 150 h
Communication and Connectivity
Communication and Connectivity — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • 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)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE-A
  • HSPA 7.2/0.384 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
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR - 0.59 W/kg (head)
Music and Audio
Music and Audio — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Ultimate U710S, A15.
SpecificationUltimate U710SA15
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Battery charging 10W
  • Sensors Accelerometer