Oppo Reno3 vs ZTE V821

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.

  • Weight

    V821: 50 g lighter

    Reno3:
    170 g
    V821:
    120 g
  • Width

    V821: 16.5 mm narrower

    Reno3:
    73 mm
    V821:
    56.5 mm
  • Chipset

    Reno3:
    Mediatek MT6779 Helio P90 (12 nm)
    V821:
    Mediatek MT6516
  • Rear camera layout

    Reno3:
    Quad
    V821:
    Single
  • Depth

    Reno3: 3.8 mm thinner

    Reno3:
    8 mm
    V821:
    11.8 mm
  • Height

    V821: 44 mm shorter

    Reno3:
    160 mm
    V821:
    116 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. Reno3

    Height:
    160 mm +44 mm versus V821
    Width:
    73 mm +16.5 mm versus V821
    Depth:
    8 mm
  2. 2. V821

    Height:
    116 mm
    Width:
    56.5 mm
    Depth:
    11.8 mm +3.8 mm versus Reno3

Weight

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

  1. 1. Reno3

    170 g

    +50 g versus V821

  2. 2. V821

    120 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.

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

  1. 1. Reno3

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²
  2. 2. V821

    V821: 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 Reno3, V821, compared at the same storage capacity.
StorageReno3V821
128 GB 8 GB RAM Unknown
V821: Original memory entry

256 MB

Practical features

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

1. Reno3

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSDXC (uses shared SIM slot) Internal 128GB 8GB RAM

2. V821

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Reno32. V821

Everyday essentials
Everyday essentials — specifications for Reno3, V821.
SpecificationReno3V821
Dimensions (HxWxD)
  • 160 Х 73 Х 8 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 170 g
  • 120 g
Technology
  • AMOLED
  • TFT
Screen size
  • 6.4" inch
  • 0" inch
Screen resolution
  • 1080 x 2400 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 256 MB
Memory card support
  • microSDXC (uses shared SIM slot) Internal 128GB 8GB RAM
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4025 mAh
  • Non-removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 10.0; ColorOS 7
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6779 Helio P90 (12 nm)
  • Mediatek MT6516
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Reno3, V821.
SpecificationReno3V821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 98.9 cm2
Unknown
Screen format
  • 20:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 84.2%
Unknown
PPI /points per inch/
  • 441 PPI
  • 0 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Reno3, V821.
SpecificationReno3V821
Rear camera, main
  • 48 MP
  • Quad
  • 2 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -13 MP
  • f/2.4
  • 52mm (telephoto)
  • 1/3.4"
  • 1.0µm
  • 2x optical zoom
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • 1/5.0"
  • 1.75µm
  • 2 MP
  • AF
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 44 MP
  • Single
  • 0 MP,
Specifications
  • 44 MP
  • f/2.4
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
Unknown
Performance

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

Performance — specifications for Reno3, V821.
SpecificationReno3V821
Processor CPU
  • Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
  • 416 MHz
Graphics processor GPU
  • PowerVR GM9446
Unknown
Antutu 8 score *
  • 337669
Unknown
General specs
General specs — specifications for Reno3, V821.
SpecificationReno3V821
Release date
  • 2019
  • December
  • 2011
  • June
Colors
  • Sky White
  • Midnight Black
  • Auroral Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 440 EUR
  • 220 EUR
Body build
  • Front glass (Gorilla Glass 5)
  • Back glass (Gorilla Glass 5)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Reno3, V821.
SpecificationReno3V821
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
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)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
Unknown
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Reno3, V821.
SpecificationReno3V821
Radio Unknown
  • FM radio
Others
  • 430 nits typ. brightness
Unknown
Other features
Other features — specifications for Reno3, V821.
SpecificationReno3V821
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W
  • 50% in 30 min
  • 100% in 73 min -VOOC 3.0
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input