LG C900 Optimus 7Q vs Xiaomi Redmi Note 7

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

    C900 Optimus 7Q: 8 g lighter

    C900 Optimus 7Q:
    178 g
    Redmi Note 7:
    186 g
  • Width

    C900 Optimus 7Q: 15.7 mm narrower

    C900 Optimus 7Q:
    59.5 mm
    Redmi Note 7:
    75.2 mm
  • Screen diagonal

    C900 Optimus 7Q: 2.8 in smaller diagonal

    C900 Optimus 7Q:
    3.5 in
    Redmi Note 7:
    6.3 in
  • Chipset

    C900 Optimus 7Q:
    Qualcomm QSD8650 Snapdragon S1
    Redmi Note 7:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    C900 Optimus 7Q:
    Single
    Redmi Note 7:
    Dual
  • Depth

    Redmi Note 7: 7.1 mm thinner

    C900 Optimus 7Q:
    15.2 mm
    Redmi Note 7:
    8.1 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. C900 Optimus 7Q

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +7.1 mm versus Redmi Note 7
  2. 2. Redmi Note 7

    Height:
    159.2 mm +39.7 mm versus C900 Optimus 7Q
    Width:
    75.2 mm +15.7 mm versus C900 Optimus 7Q
    Depth:
    8.1 mm

Weight

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

  1. 1. C900 Optimus 7Q

    178 g

  2. 2. Redmi Note 7

    186 g

    +8 g versus C900 Optimus 7Q

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. C900 Optimus 7Q

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Redmi Note 7

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Redmi Note 7 has approximately 179.4% more rectangular screen area than C900 Optimus 7Q.

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.

C900 Optimus 7Q: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

Redmi Note 7: Original memory entry

64 GB · 4/6 GB RAM 32 GB · 3 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. C900 Optimus 7Q

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

2. Redmi Note 7

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. C900 Optimus 7Q

    1500 mAh

  2. 2. Redmi Note 7

    4000 mAh

    +2500 mAh versus C900 Optimus 7Q

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. C900 Optimus 7Q2. Redmi Note 7

Everyday essentials
Everyday essentials — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 159.2 Х 75.2 Х 8.1 mm
Weight
  • 178 g
  • 186 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.3" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 97.4 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 49.0%
  • 81.4%
PPI /points per inch/
  • 267 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications Unknown
  • 13 MP
Performance

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

Performance — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 200
  • Adreno 512
Antutu 7 score * Unknown
  • 144610
GeekBench 4 Single Core * Unknown
  • 1462
GeekBench 4 Multi-Core * Unknown
  • 4556
Antutu 8 score * Unknown
  • 179213
GeekBench 5 Single Core * Unknown
  • 334
GeekBench 5 Multi-Core * Unknown
  • 1294
General specs
General specs — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
Release date
  • 2010
  • October
  • 2019
  • January
Colors
  • Black
  • Blue
  • Black
  • Twilight Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 7 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
SIM card
  • Mini-SIM
  • Hybrid 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 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
Radio
  • Stereo FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for C900 Optimus 7Q, Redmi Note 7.
SpecificationC900 Optimus 7QRedmi Note 7
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo -Predictive text input - Also known as LG Optimus Quantum
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 4)