Nokia E51 camera-free vs Xiaomi Redmi Note 9S

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: 109 g lighter

    E51 camera-free:
    100 g
    Redmi Note 9S:
    209 g
  • Width

    E51 camera-free: 30.7 mm narrower

    E51 camera-free:
    46 mm
    Redmi Note 9S:
    76.7 mm
  • Screen diagonal

    E51 camera-free: 4.67 in smaller diagonal

    E51 camera-free:
    2 in
    Redmi Note 9S:
    6.67 in
  • Depth

    Redmi Note 9S: 3.2 mm thinner

    E51 camera-free:
    12 mm
    Redmi Note 9S:
    8.8 mm
  • Height

    E51 camera-free: 51 mm shorter

    E51 camera-free:
    114.8 mm
    Redmi Note 9S:
    165.8 mm
  • Release year

    E51 camera-free:
    2008
    Redmi Note 9S:
    2020

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 +3.2 mm versus Redmi Note 9S
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +51 mm versus E51 camera-free
    Width:
    76.7 mm +30.7 mm versus E51 camera-free
    Depth:
    8.8 mm

Weight

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

  1. 1. E51 camera-free

    100 g

  2. 2. Redmi Note 9S

    209 g

    +109 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 9S

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Redmi Note 9S has approximately 767.1% 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.

Recorded RAM for E51 camera-free, Redmi Note 9S, compared at the same storage capacity.
StorageE51 camera-freeRedmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 GB RAM
E51 camera-free: Original memory entry

130 MB · 96 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. E51 camera-free

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. Redmi Note 9S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. E51 camera-free

    1050 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +3970 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 9S

Everyday essentials
Everyday essentials — specifications for E51 camera-free, Redmi Note 9S.
SpecificationE51 camera-freeRedmi Note 9S
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 100 g
  • 209 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 6.67" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 10.0; MIUI 11
Chipset Unknown
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for E51 camera-free, Redmi Note 9S.
SpecificationE51 camera-freeRedmi Note 9S
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 107.4 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 23.5%
  • 84.5%
PPI /points per inch/
  • 200 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for E51 camera-free, Redmi Note 9S.
SpecificationE51 camera-freeRedmi Note 9S
Rear camera, main
  • 0 MP,
  • 48 MP
  • Quad
Camera specs Unknown
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -5 MP
  • f/2.4
  • (macro)
  • 1.12µm -2 MP
  • (depth)
Functions Unknown
  • HDR
  • panorama
Video Unknown
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance
Performance — specifications for E51 camera-free, Redmi Note 9S.
SpecificationE51 camera-freeRedmi Note 9S
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU Unknown
  • Adreno 618
General specs
General specs — specifications for E51 camera-free, Redmi Note 9S.
SpecificationE51 camera-freeRedmi Note 9S
Release date
  • 2008
  • February
  • 2020
  • March 23
Colors
  • Black
  • Silver
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • $ 199
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for E51 camera-free, Redmi Note 9S.
SpecificationE51 camera-freeRedmi Note 9S
SIM card
  • Mini-SIM
  • 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
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
  • GALILEO
  • 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 9S.
SpecificationE51 camera-freeRedmi Note 9S
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Five-way scroll key -Downloadable themes
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for E51 camera-free, Redmi Note 9S.
SpecificationE51 camera-freeRedmi Note 9S
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 (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof