Nokia E51 camera-free vs Xiaomi Redmi Note 7

Compare recorded specifications, size and practical differences.

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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

    E51 camera-free: 86 g lighter

    E51 camera-free:
    100 g
    Redmi Note 7:
    186 g
  • Width

    E51 camera-free: 29.2 mm narrower

    E51 camera-free:
    46 mm
    Redmi Note 7:
    75.2 mm
  • Screen diagonal

    E51 camera-free: 4.3 in smaller diagonal

    E51 camera-free:
    2 in
    Redmi Note 7:
    6.3 in
  • Depth

    Redmi Note 7: 3.9 mm thinner

    E51 camera-free:
    12 mm
    Redmi Note 7:
    8.1 mm
  • Height

    E51 camera-free: 44.4 mm shorter

    E51 camera-free:
    114.8 mm
    Redmi Note 7:
    159.2 mm
  • Release year

    E51 camera-free:
    2008
    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. E51 camera-free

    Height:
    114.8 mm
    Width:
    46 mm
    Depth:
    12 mm +3.9 mm versus Redmi Note 7
  2. 2. Redmi Note 7

    Height:
    159.2 mm +44.4 mm versus E51 camera-free
    Width:
    75.2 mm +29.2 mm versus E51 camera-free
    Depth:
    8.1 mm

Weight

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

  1. 1. E51 camera-free

    100 g

  2. 2. Redmi Note 7

    186 g

    +86 g versus E51 camera-free

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. E51 camera-free

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²
  2. 2. Redmi Note 7

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Redmi Note 7 has approximately 686.5% more rectangular screen area than E51 camera-free.

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.

E51 camera-free: Original memory entry

130 MB · 96 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. E51 camera-free

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. E51 camera-free

    1050 mAh

  2. 2. Redmi Note 7

    4000 mAh

    +2950 mAh versus E51 camera-free

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. E51 camera-free2. Redmi Note 7

Everyday essentials
Everyday essentials — specifications for E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 159.2 Х 75.2 Х 8.1 mm
Weight
  • 100 g
  • 186 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 6.3" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 97.4 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 23.5%
  • 81.4%
PPI /points per inch/
  • 200 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
Rear camera, main
  • 0 MP,
  • 48 MP
  • Dual
Camera specs Unknown
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video Unknown
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications Unknown
  • 13 MP
Performance

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

Performance — specifications for E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • 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 E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
Release date
  • 2008
  • February
  • 2019
  • January
Colors
  • Black
  • Silver
  • Blue
  • Black
  • Twilight Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.47 W/kg (head) 0.75 W/kg (body) SAR EU - 1.38 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Five-way scroll key -Downloadable themes
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for E51 camera-free, Redmi Note 7.
SpecificationE51 camera-freeRedmi Note 7
Dop
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer -Predictive text input -Voice command/memo -Organizer -Nokia Intellisync Wireless Email -Exchange mail
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 4)