Allview X2 Xtreme vs Nokia Lumia 635

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.

  • Display technology

    OLED versus LCD

    X2 Xtreme:
    OLED
    Lumia 635:
    LCD
  • Weight

    Lumia 635: 70.4 g lighter

    X2 Xtreme:
    204.4 g
    Lumia 635:
    134 g
  • Width

    Lumia 635: 15.3 mm narrower

    X2 Xtreme:
    82 mm
    Lumia 635:
    66.7 mm
  • Screen diagonal

    Lumia 635: 1.5 in smaller diagonal

    X2 Xtreme:
    6 in
    Lumia 635:
    4.5 in
  • Chipset

    X2 Xtreme:
    Mediatek MT6795 Helio X10 (28 nm)
    Lumia 635:
    Qualcomm Snapdragon 400 (28 nm)
  • Height

    Lumia 635: 34.5 mm shorter

    X2 Xtreme:
    164 mm
    Lumia 635:
    129.5 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.

  1. 1. X2 Xtreme

    Height:
    164 mm +34.5 mm versus Lumia 635
    Width:
    82 mm +15.3 mm versus Lumia 635
    Depth:
    9.6 mm
  2. 2. Lumia 635

    Height:
    129.5 mm
    Width:
    66.7 mm
    Depth:
    9.2 mm

Weight

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

  1. 1. X2 Xtreme

    204.4 g

    +70.4 g versus Lumia 635

  2. 2. Lumia 635

    134 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.

  1. 1. X2 Xtreme

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    99.2 cm²
  2. 2. Lumia 635

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

X2 Xtreme has approximately 77.8% more rectangular screen area than Lumia 635.

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.

X2 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 3 GB RAM

Lumia 635: Original memory entry

8 GB · 512 MB/ 1 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. X2 Xtreme

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. Lumia 635

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. X2 Xtreme

    3500 mAh

    +1670 mAh versus Lumia 635

  2. 2. Lumia 635

    1830 mAh

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. X2 Xtreme2. Lumia 635

Everyday essentials
Everyday essentials — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
Dimensions (HxWxD)
  • 164 Х 82 Х 9.6 mm
  • 129.5 Х 66.7 Х 9.2 mm
Weight
  • 204.4 g
  • 134 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6" inch
  • 4.5" inch
Screen resolution
  • 1440 x 2560 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 3 GB RAM
  • 8 GB
  • 512 MB/ 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Microsoft Windows Phone 8.1
Chipset
  • Mediatek MT6795 Helio X10 (28 nm)
  • Qualcomm Snapdragon 400 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 54.3 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 73.8%
  • 62.9%
PPI /points per inch/
  • 490 PPI
  • 221 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
Rear camera, main
  • 24 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 24 MP
  • 1/2.3''
  • DTS HD sound -Active noise cancellation with dedicated mic
  • PDAF & laser AF
  • 5 MP
  • 1/4''
  • AF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • panorama
Video
  • 2160p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • AF
Unknown
Performance

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

Performance — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • PowerVR G6200
  • Adreno 305
Antutu 7 score *
  • 48960
  • 11986
General specs
General specs — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
Release date
  • 2015
  • June
  • 2014
  • April
Colors
  • Gold
  • Bright orange
  • Bright Green
  • bright yellow
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 490 EUR
  • 110 EUR
Battery life
  • Stand by time- Up to 350 h (3G) Talking time- Up to 12 h (3G)
  • Stand by time- Up to 648 h Talking time- Up to 12 h (2G) / Up to 14 h (3G) Music play - Up to 58 h
Communication and Connectivity
Communication and Connectivity — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 7(2600)
  • 33(1900)
  • 38(2600)
  • 39(1900)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 - RM-974 HSDPA 850 / 1700 / 1900 / 2100 - RM-975 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800) - RM-974 LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - RM-975
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
Harmful irradiation Unknown
  • SAR - 0.97 W/kg (head) 0.77 W/kg (body) SAR EU - 0.75 W/kg (head) 0.79 W/kg (body)
Music and Audio
Music and Audio — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
Radio
  • FM radio
  • recording
  • FM radio
Others
  • DTS sound -Active noise cancellation with dedicated mic
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for X2 Xtreme, Lumia 635.
SpecificationX2 XtremeLumia 635
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • sensor core - Versions: RM-974 (Global); RM-975 (USA)