vivo iQOO vs Xiaomi Redmi 3x

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

    iQOO:
    OLED
    Redmi 3x:
    LCD
  • Weight

    Redmi 3x: 36 g lighter

    iQOO:
    180 g
    Redmi 3x:
    144 g
  • Width

    Redmi 3x: 5.6 mm narrower

    iQOO:
    75.2 mm
    Redmi 3x:
    69.6 mm
  • Screen diagonal

    Redmi 3x: 1.41 in smaller diagonal

    iQOO:
    6.41 in
    Redmi 3x:
    5 in
  • Chipset

    iQOO:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
    Redmi 3x:
    Qualcomm MSM8937 Snapdragon 430 (28 nm)
  • Rear camera layout

    iQOO:
    Dual
    Redmi 3x:
    Single

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. iQOO

    Height:
    157.7 mm +18.4 mm versus Redmi 3x
    Width:
    75.2 mm +5.6 mm versus Redmi 3x
    Depth:
    8.5 mm
  2. 2. Redmi 3x

    Height:
    139.3 mm
    Width:
    69.6 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. iQOO

    180 g

    +36 g versus Redmi 3x

  2. 2. Redmi 3x

    144 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. iQOO

    Screen diagonal:
    6.41 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.9 cm²
  2. 2. Redmi 3x

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

iQOO has approximately 46.3% more rectangular screen area than Redmi 3x.

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 iQOO, Redmi 3x, compared at the same storage capacity.
StorageiQOORedmi 3x
32 GB Unknown 2 GB RAM
iQOO: Original memory entry

256 GB · 8/12 GB RAM 128 GB · 6/8 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. iQOO

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

2. Redmi 3x

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. iQOO

    4000 mAh

  2. 2. Redmi 3x

    4100 mAh

    +100 mAh versus iQOO

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. iQOO2. Redmi 3x

Everyday essentials
Everyday essentials — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
Dimensions (HxWxD)
  • 157.7 Х 75.2 Х 8.5 mm
  • 139.3 Х 69.6 Х 8.5 mm
Weight
  • 180 g
  • 144 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.41" inch
  • 5" inch
Screen resolution
  • 1080 x 2340 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 GB
  • 8/12 GB RAM 128 GB
  • 6/8 GB RAM
  • 32 GB
  • 2 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.
  • 4000 mAh
  • Non-removable Li-Ion
  • 4100 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); Funtouch 9
  • Android 6.0.1 (Marshmallow); MIUI 7.3
Chipset
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.9 cm2
  • 68.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.1%
  • 71.1%
PPI /points per inch/
  • 402 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
Rear camera, main
  • 12 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -13 MP (ultrawide) -2 MP
  • f/2.4
  • depth sensor
  • 13 MP
  • PDAF
  • f/2.0
Functions
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 12 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 12 MP
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 640
  • Adreno 505
Antutu 7 score * Unknown
  • 35195
GeekBench 4 Single Core * Unknown
  • 632
GeekBench 4 Multi-Core * Unknown
  • 1774
GeekBench 4 RenderScript * Unknown
  • 1822
Antutu 8 score *
  • 420199
Unknown
General specs
General specs — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
Release date
  • 2019
  • March
  • 2016
  • June
Colors
  • Optic Blue
  • Lava Orange
  • Gold
  • Dark Gray
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
  • 170 EUR
Body build Unknown
  • aluminum body
  • plastic ends
Communication and Connectivity
Communication and Connectivity — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (7CA) Cat20 2000/150 Mbps
  • HSPA
  • LTE
  • EV-DO Rev.A 3.1 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
  • GLONASS
  • BDS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
Radio
  • No
  • FM radio
Others
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for iQOO, Redmi 3x.
SpecificationiQOORedmi 3x
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 44W -(50% in 15 min
  • 100% in 45 min) -Fast battery charging 22.5W - 6/128 GB version
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging