Oppo F15 vs Posh Volt Max LTE L640

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

    F15:
    OLED
    Volt Max LTE L640:
    LCD
  • Weight

    F15: 58 g lighter

    F15:
    172 g
    Volt Max LTE L640:
    230 g
  • Width

    F15: 16 mm narrower

    F15:
    73.3 mm
    Volt Max LTE L640:
    89.3 mm
  • Chipset

    F15:
    Mediatek MT6771V Helio P70 (12nm)
    Volt Max LTE L640:
    Mediatek MT6753 (28 nm)
  • Rear camera layout

    F15:
    Quad
    Volt Max LTE L640:
    Single
  • Height

    F15: 15.8 mm shorter

    F15:
    160.2 mm
    Volt Max LTE L640:
    176 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. F15

    Height:
    160.2 mm
    Width:
    73.3 mm
    Depth:
    7.9 mm
  2. 2. Volt Max LTE L640

    Height:
    176 mm +15.8 mm versus F15
    Width:
    89.3 mm +16 mm versus F15
    Depth:
    8.1 mm

Weight

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

  1. 1. F15

    172 g

  2. 2. Volt Max LTE L640

    230 g

    +58 g versus F15

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. F15

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²
  2. 2. Volt Max LTE L640

    Volt Max LTE L640: Screen geometry unavailable or conflicting.

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 F15, Volt Max LTE L640, compared at the same storage capacity.
StorageF15Volt Max LTE L640
32 GB Not recorded 3 GB RAM
64 GB Not recorded 3 GB RAM
128 GB 8 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. F15

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Volt Max LTE L640

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. F15

    4025 mAh

  2. 2. Volt Max LTE L640

    6000 mAh

    +1975 mAh versus F15

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. F152. Volt Max LTE L640

Everyday essentials
Everyday essentials — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
Dimensions (HxWxD)
  • 160.2 Х 73.3 Х 7.9 mm
  • 176 Х 89.3 Х 8.1 mm
Weight
  • 172 g
  • 230 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 6.44" inch
Screen resolution
  • 1080 x 2400 px
  • 1280 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 32/64 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4025 mAh
  • Non-removable Li-Po
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6771V Helio P70 (12nm)
  • Mediatek MT6753 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.4 cm2
  • 123.5 cm2
Screen format
  • 20:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 85.5%
  • 78.6%
PPI /points per inch/
  • 408 PPI
  • 358 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
Rear camera, main
  • 48 MP
  • Quad
  • 13 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0''
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
  • 13 MP
  • f/2.4
  • 1/3''
  • 1.12µm
  • AF
Functions
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
  • 8 MP
  • f/2.2
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-G72 MP3
  • Mali-T760MP2
Antutu 7 score *
  • 135115
Unknown
General specs
General specs — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
Release date
  • 2020
  • January
  • 2016
  • March
Colors
  • Lightening Black
  • Unicorn White
  • Grey
  • Gold
  • Rose Gold
Battery life Unknown
  • Stand by time- Up to 600 h (2G) / Up to 400 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h (3G)
Body build
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 7(2600)
  • 17(700)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE-A
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.20 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
Radio
  • FM radio
  • No
Others
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for F15, Volt Max LTE L640.
SpecificationF15Volt Max LTE L640
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 20W: 50% in 30 min (VOOC Flash Charge 3.0)
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging