Celkon AR45 vs Xiaomi Redmi Note 7

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

    AR45: 1.8 in smaller diagonal

    AR45:
    4.5 in
    Redmi Note 7:
    6.3 in
  • Chipset

    AR45:
    Mediatek MT6572 (28 nm)
    Redmi Note 7:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    AR45:
    Single
    Redmi Note 7:
    Dual
  • Release year

    AR45:
    2013
    Redmi Note 7:
    2019

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. AR45

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

    Unavailable dimensions are omitted from the drawing.

  2. 2. Redmi Note 7

    Height:
    159.2 mm
    Width:
    75.2 mm
    Depth:
    8.1 mm
    Weight:
    186 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. 1. AR45

    AR45: Screen geometry unavailable or conflicting.

  2. 2. Redmi Note 7

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 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.

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

AR45: Original memory entry

4 GB · 512 MB RAM

Redmi Note 7: Original memory entry

64 GB · 4/6 GB RAM 32 GB · 3 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. AR45

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

2. Redmi Note 7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. AR45

    2000 mAh

  2. 2. Redmi Note 7

    4000 mAh

    +2000 mAh versus AR45

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. AR452. Redmi Note 7

Everyday essentials
Everyday essentials — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
Dimensions (HxWxD)
  • Х Х mm
  • 159.2 Х 75.2 Х 8.1 mm
Weight
  • 0 g
  • 186 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.3" inch
Screen resolution
  • 960 x 854 px
  • 1080 x 2340 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 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Mediatek MT6572 (28 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 64.9 cm2
  • 97.4 cm2
Screen format Unknown
  • 19.5:9 (height:width)
Screen to body ratio Unknown
  • 81.4%
PPI /points per inch/
  • 0 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Dual
Camera specs
  • 5 MP
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.3 MP
  • 13 MP
Performance

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

Performance — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Mali-400
  • Adreno 512
Antutu 7 score * Unknown
  • 144610
GeekBench 4 Single Core * Unknown
  • 1462
GeekBench 4 Multi-Core * Unknown
  • 4556
Antutu 8 score * Unknown
  • 179213
GeekBench 5 Single Core * Unknown
  • 334
GeekBench 5 Multi-Core * Unknown
  • 1294
General specs
General specs — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
Release date
  • 2013
  • October
  • 2019
  • January
Colors
  • White
  • Blue
  • Black
  • Twilight Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 150 EUR
Communication and Connectivity
Communication and Connectivity — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
SIM card
  • Dual SIM (Mini-SIM)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - 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)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for AR45, Redmi Note 7.
SpecificationAR45Redmi Note 7
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 4)