Acer Liquid S1 vs Celkon Q500 Millennium Ultra

Compare recorded specifications, size and practical differences.

+ 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.

  • Weight

    Q500 Millennium Ultra: 46 g lighter

    Liquid S1:
    195 g
    Q500 Millennium Ultra:
    149 g
  • Width

    Q500 Millennium Ultra: 11.2 mm narrower

    Liquid S1:
    83 mm
    Q500 Millennium Ultra:
    71.8 mm
  • Screen diagonal

    Q500 Millennium Ultra: 0.7 in smaller diagonal

    Liquid S1:
    5.7 in
    Q500 Millennium Ultra:
    5 in
  • Depth

    Q500 Millennium Ultra: 1.6 mm thinner

    Liquid S1:
    9.6 mm
    Q500 Millennium Ultra:
    8 mm
  • Height

    Q500 Millennium Ultra: 17.4 mm shorter

    Liquid S1:
    163 mm
    Q500 Millennium Ultra:
    145.6 mm
  • Release year

    Liquid S1:
    2013
    Q500 Millennium Ultra:
    2014

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. Liquid S1

    Height:
    163 mm +17.4 mm versus Q500 Millennium Ultra
    Width:
    83 mm +11.2 mm versus Q500 Millennium Ultra
    Depth:
    9.6 mm +1.6 mm versus Q500 Millennium Ultra
  2. 2. Q500 Millennium Ultra

    Height:
    145.6 mm
    Width:
    71.8 mm
    Depth:
    8 mm

Weight

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

  1. 1. Liquid S1

    195 g

    +46 g versus Q500 Millennium Ultra

  2. 2. Q500 Millennium Ultra

    149 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. Liquid S1

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. Q500 Millennium Ultra

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

Liquid S1 has approximately 30% more rectangular screen area than Q500 Millennium Ultra.

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 Liquid S1, Q500 Millennium Ultra, compared at the same storage capacity.
StorageLiquid S1Q500 Millennium Ultra
8 GB 1 GB RAM Not recorded
16 GB Not recorded 2 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. Liquid S1

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Q500 Millennium Ultra

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Liquid S1

    2400 mAh

  2. 2. Q500 Millennium Ultra

    2500 mAh

    +100 mAh versus Liquid S1

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. Liquid S12. Q500 Millennium Ultra

Everyday essentials
Everyday essentials — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
Dimensions (HxWxD)
  • 163 Х 83 Х 9.6 mm
  • 145.6 Х 71.8 Х 8 mm
Weight
  • 195 g
  • 149 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 5.7" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Removable Li-Po
  • 2500 mAh
  • Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean); Float UI
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6589 (28 nm)
  • Broadcom BCM23550
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 89.6 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.2%
  • 65.9%
PPI /points per inch/
  • 258 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
Performance

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

Performance — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
Processor CPU
  • Quad-core 1.5 GHz Cortex-A7
  • Quad-core 1.2 GHz
Graphics processor GPU
  • PowerVR SGX544
Unknown
Antutu 7 score *
  • 16205
Unknown
General specs
General specs — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
Release date
  • 2013
  • June
  • 2014
Colors
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 320 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 11 h
  • Stand by time- Up to 200 h (3G) Talking time- Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)-3G - HSDPA-4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • Super AMOLED
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.44 W/kg (head) 0.41 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
Radio
  • FM radio
  • FM radio
Others
  • DTS sound
Unknown
Other features
Other features — specifications for Liquid S1, Q500 Millennium Ultra.
SpecificationLiquid S1Q500 Millennium Ultra
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also available as Acer Liquid S1 Duo with dual-SIM card slots
  • Sensors Accelerometer
  • proximity