Lenovo K900 vs Oppo Ace2

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

    K900:
    LCD
    Ace2:
    OLED
  • Weight

    K900: 24 g lighter

    K900:
    162 g
    Ace2:
    186 g
  • Width

    Ace2: 2.6 mm narrower

    K900:
    78 mm
    Ace2:
    75.4 mm
  • Screen diagonal

    K900: 1.05 in smaller diagonal

    K900:
    5.5 in
    Ace2:
    6.55 in
  • Chipset

    K900:
    Intel Atom Z2580
    Ace2:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Rear camera layout

    K900:
    Single
    Ace2:
    Quad

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. K900

    Height:
    157 mm
    Width:
    78 mm +2.6 mm versus Ace2
    Depth:
    6.9 mm
  2. 2. Ace2

    Height:
    160 mm +3 mm versus K900
    Width:
    75.4 mm
    Depth:
    8.6 mm +1.7 mm versus K900

Weight

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

  1. 1. K900

    162 g

  2. 2. Ace2

    186 g

    +24 g versus K900

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. K900

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Ace2

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²

Ace2 has approximately 24.2% more rectangular screen area than K900.

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 K900, Ace2, compared at the same storage capacity.
StorageK900Ace2
16 GB 2 GB RAM Not recorded
32 GB 2 GB RAM Not recorded
128 GB Not recorded 8 GB RAM
256 GB Not recorded 8 / 12 GB RAM Alternative RAM configurations

Practical features

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

1. K900

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

2. Ace2

NFC:
Yes
Headphone jack:
No
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. K900

    2500 mAh

  2. 2. Ace2

    4000 mAh

    +1500 mAh versus K900

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. K9002. Ace2

Everyday essentials
Everyday essentials — specifications for K900, Ace2.
SpecificationK900Ace2
Dimensions (HxWxD)
  • 157 Х 78 Х 6.9 mm
  • 160 Х 75.4 Х 8.6 mm
Weight
  • 162 g
  • 186 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 6.55" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 10.0; ColorOS 7.1
Chipset
  • Intel Atom Z2580
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for K900, Ace2.
SpecificationK900Ace2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 103.6 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 68.1%
  • 85.9%
PPI /points per inch/
  • 401 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 2
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for K900, Ace2.
SpecificationK900Ace2
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • AF
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm
  • AF -2 MP B/W
  • (depth) -2 MP
  • (depth)
Functions
  • Dual-LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 2 MP
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for K900, Ace2.
SpecificationK900Ace2
Processor CPU
  • Dual-core 2.0 GHz
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU
  • PowerVR SGX544MP2
  • Adreno 650
Antutu 7 score *
  • 27313
Unknown
General specs
General specs — specifications for K900, Ace2.
SpecificationK900Ace2
Release date
  • 2013
  • January. Released 2013
  • April
  • 2020
  • April 13
Colors
  • Black/Gray
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 360 EUR
  • 520 EUR
Battery life
  • Stand by time- Up to 300 h (2G) / Up to 300 h (3G) Talking time- Up to 15 h (2G) / Up to 12 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for K900, Ace2.
SpecificationK900Ace2
SIM card
  • Micro-SIM
  • 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 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G band 1(2100)
  • 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - China
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 3.0
  • A2DP
  • 5.1
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for K900, Ace2.
SpecificationK900Ace2
Radio
  • Stereo FM radio
Unknown
Others
  • Active noise cancellation with dedicated mic
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
Other features
Other features — specifications for K900, Ace2.
SpecificationK900Ace2
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 65W
  • 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W
  • 100% in 56 min (advertised) -Wireless reverse charging 10W