You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

Nokia E51 vs Xiaomi Redmi S2

Compare recorded specifications, size and practical differences.

Nokia E51

Nokia E51

Replace E51
Remove E51
+ 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.

  • WeightE51: 70 g lighterE51: 100 g · Redmi S2: 170 g
  • WidthE51: 31.3 mm narrowerE51: 46 mm · Redmi S2: 77.3 mm
  • Screen diagonalE51: 3.99 in smaller diagonalE51: 2 in · Redmi S2: 5.99 in
  • Rear camera layoutSingle / DualE51: Single · Redmi S2: Dual
  • DepthRedmi S2: 3.9 mm thinnerRedmi S2: 8.1 mm · E51: 12 mm
  • HeightE51: 45.9 mm shorterE51: 114.8 mm · Redmi S2: 160.7 mm

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.

Front
E51: 114.8 × 46 mm 1 Redmi S2: 160.7 × 77.3 mm 2
Side
E51: 114.8 × 12 mm 1 Redmi S2: 160.7 × 8.1 mm 2
  1. 1. E51
    Height
    114.8 mm
    Width
    46 mm
    Depth
    12 mm
    Weight
    100 g
  2. 2. Redmi S2
    Height
    160.7 mm
    Width
    77.3 mm
    Depth
    8.1 mm
    Weight
    170 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationE51Redmi S2
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 100 g
  • 170 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 5.99" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1440 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 8.1 (Oreo); MIUI 10
Chipset Unknown
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display
SpecificationE51Redmi S2
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 92.6 cm2
Screen format
  • 4:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 23.5%
  • 74.5%
PPI /points per inch/
  • 200 PPI
  • 269 PPI
Camera and Video
Camera and Video
SpecificationE51Redmi S2
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions Unknown
  • HDR
  • LED flash
Video
  • 320p@15fps
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
Performance
Performance
SpecificationE51Redmi S2
Processor CPU
  • 369 MHz ARM 11
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 78926
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 835
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 4087
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 168
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 985
General specs
General specs
SpecificationE51Redmi S2
Release date
  • 2007
  • September
  • 2018
  • May
Colors
  • Black
  • Silver
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity
SpecificationE51Redmi S2
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 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
Unknown
Music and Audio
Music and Audio
SpecificationE51Redmi S2
Radio
  • FM radio
  • FM radio
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
  • Active noise cancellation with dedicated mic
Other features
Other features
SpecificationE51Redmi S2
Dop
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India