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Nokia E51 vs Sony Xperia X

Compare recorded specifications, size and practical differences.

Nokia E51

Nokia E51

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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.

  • WeightE51: 53 g lighterE51: 100 g · Xperia X: 153 g
  • WidthE51: 23 mm narrowerE51: 46 mm · Xperia X: 69 mm
  • Screen diagonalE51: 3 in smaller diagonalE51: 2 in · Xperia X: 5 in
  • DepthXperia X: 4.3 mm thinnerXperia X: 7.7 mm · E51: 12 mm
  • HeightE51: 28.2 mm shorterE51: 114.8 mm · Xperia X: 143 mm
  • Release year2007 / 2016E51: 2007 · Xperia X: 2016

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 Xperia X: 143 × 69 mm 2
Side
E51: 114.8 × 12 mm 1 Xperia X: 143 × 7.7 mm 2
  1. 1. E51
    Height
    114.8 mm
    Width
    46 mm
    Depth
    12 mm+4.3 mm versus Xperia X
    Weight
    100 g
  2. 2. Xperia X
    Height
    143 mm+28.2 mm versus E51
    Width
    69 mm+23 mm versus E51
    Depth
    7.7 mm
    Weight
    153 g
Weight

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

  1. 1. E51100 g
  2. 2. Xperia X153 g

    +53 g versus E51

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.

Screen size
E51: 2 in, 4:3, About 12.4 cm² rectangular area 1 Xperia X: 5 in, 16:9, About 68.9 cm² rectangular area 2
  1. 1. E51 2 in · 4:3 About 12.4 cm² rectangular area
  2. 2. Xperia X 5 in · 16:9 About 68.9 cm² rectangular area

Xperia X has approximately 456.4% more rectangular screen area than E51.

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: Original memory entry

130 MB · 96 MB RAM

Xperia X: Original memory entry

32 GB · 3 GB RAM - F512164 GB · 3 GB RAM - F5122

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

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

2. Xperia X

NFC
Yes
Headphone jack
Yes
Memory card support
See details microSD · up to 256 GB (uses SIM 2 slot) - dual SIM model only

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. E511050 mAh
  2. 2. Xperia X2620 mAh

    +1570 mAh versus E51

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. E512. Xperia X

Everyday essentials
Everyday essentials
SpecificationE51Xperia X
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 143 Х 69 Х 7.7 mm
Weight
  • 100 g
  • 153 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 32 GB
  • 3 GB RAM - F512164 GB
  • 3 GB RAM - F5122
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot) - dual SIM model only
BatteryCapacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 2620 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo)
Chipset Unknown
  • Qualcomm MSM8956 Snapdragon 650
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display
SpecificationE51Xperia X
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 23.5%
  • 69.8%
PPI /points per inch/
  • 200 PPI
  • 441 PPI
Screen protection Unknown
  • Scratch-resistant glass
  • oleophobic coating
Camera and Video
Camera and Video
SpecificationE51Xperia X
Rear camera, main
  • 2 MP
  • Single
  • 23 MP
  • Single
Camera specs
  • 2 MP
  • 23 MP
  • f/2.0
  • 24mm (wide)
  • 1/2.3''
  • PDAF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • 320p@15fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications Unknown
  • 13 MP
  • f/2.0
  • 22mm (wide)
  • 1/3''
Performance
Performance
SpecificationE51Xperia X
Processor CPU
  • 369 MHz ARM 11
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72)
Graphics processor GPU Unknown
  • Adreno 510
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 93268
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1373
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 3282
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 269
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 714
General specs
General specs
SpecificationE51Xperia X
Release date
  • 2007
  • September
  • 2016
  • February
Colors
  • Black
  • Silver
  • White
  • Graphite black
  • Lime Gold
  • Rose Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
Unknown
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity
SpecificationE51Xperia X
SIM card
  • Mini-SIM
  • Single SIM (Nano-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 (dual-SIM model only) -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - F5121
  • F5122 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - F5121
  • F5122
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
GPRS
  • Class 32
  • Up to 107 kbps
Edge
  • Class 32
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • aptX
  • LE
Harmful irradiation
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
  • SAR - 0.97 W/kg (head) 0.97 W/kg (body) SAR EU - 0.72 W/kg (head) 1.23 W/kg (body)
Music and Audio
Music and Audio
SpecificationE51Xperia X
Radio
  • FM radio
  • FM radio
  • RDS
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
  • Triluminos display -X-Reality Engine
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features
SpecificationE51Xperia X
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 (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 2.0) - Also known as Sony Xperia X Dual F5122 with dual-SIM card slots