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Allview X4 Xtreme vs BLU C4

Compare recorded specifications, size and practical differences.

BLU C4

BLU C4

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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.

  • WeightC4: 108.9 g lighterC4: 118 g · X4 Xtreme: 226.9 g
  • WidthC4: 19.1 mm narrowerC4: 64.2 mm · X4 Xtreme: 83.3 mm
  • Screen diagonalC4: 2 in smaller diagonalC4: 4 in · X4 Xtreme: 6 in
  • DepthX4 Xtreme: 1.8 mm thinnerX4 Xtreme: 9.1 mm · C4: 10.9 mm
  • HeightC4: 42.1 mm shorterC4: 124.3 mm · X4 Xtreme: 166.4 mm
  • Release year2017 / 2018X4 Xtreme: 2017 · C4: 2018

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
X4 Xtreme: 166.4 × 83.3 mm 1 C4: 124.3 × 64.2 mm 2
Side
X4 Xtreme: 166.4 × 9.1 mm 1 C4: 124.3 × 10.9 mm 2
  1. 1. X4 Xtreme
    Height
    166.4 mm
    Width
    83.3 mm
    Depth
    9.1 mm
    Weight
    226.9 g
  2. 2. C4
    Height
    124.3 mm
    Width
    64.2 mm
    Depth
    10.9 mm
    Weight
    118 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
SpecificationX4 XtremeC4
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 124.3 Х 64.2 Х 10.9 mm
Weight
  • 226.9 g
  • 118 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 64 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 8.1 Oreo (Go edition)
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationX4 XtremeC4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 57.1%
PPI /points per inch/
  • 367 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video
SpecificationX4 XtremeC4
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/depth sensor)
  • 5 MP
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 20 MP
  • 5 MP
Performance
Performance
SpecificationX4 XtremeC4
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • Quad-core 1.3 GHz
Graphics processor GPU
  • Mali-T880MP2
  • Mali-400
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 58758
  • 21722
General specs
General specs
SpecificationX4 XtremeC4
Release date
  • 2017
  • June
  • 2018
  • August
Colors
  • Mocha Gold
  • Black
  • Gold
  • Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 50 USD
Battery life
  • Stand by time- Up to 379 h Talking time- Up to 25 h
  • Stand by time- Up to 400 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 13 h (3G)
Communication and Connectivity
Communication and Connectivity
SpecificationX4 XtremeC4
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano SIM)
  • Dual SIM (Micro-SIM)
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.1
Harmful irradiation
  • SAR EU - 1.01 W/kg (head)
Unknown
Music and Audio
Music and Audio
SpecificationX4 XtremeC4
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationX4 XtremeC4
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Sensors Accelerometer For USA