You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

Lava Iris Atom X vs Oppo A91

Compare recorded specifications, size and practical differences.

Oppo A91

Oppo A91

Replace A91
Remove A91
+ 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.

  • WidthIris Atom X: 9.9 mm narrowerIris Atom X: 63.4 mm · A91: 73.3 mm
  • Screen diagonalIris Atom X: 2.4 in smaller diagonalIris Atom X: 4 in · A91: 6.4 in
  • Rear camera layoutSingle / QuadIris Atom X: Single · A91: Quad
  • DepthA91: 1.8 mm thinnerA91: 7.9 mm · Iris Atom X: 9.7 mm
  • HeightIris Atom X: 34.7 mm shorterIris Atom X: 125.5 mm · A91: 160.2 mm
  • Release year2015 / 2019Iris Atom X: 2015 · A91: 2019

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.

Front
Iris Atom X: 125.5 × 63.4 mm 1 A91: 160.2 × 73.3 mm 2
Side
Iris Atom X: 125.5 × 9.7 mm 1 A91: 160.2 × 7.9 mm 2
  1. 1. Iris Atom X
    Height
    125.5 mm
    Width
    63.4 mm
    Depth
    9.7 mm+1.8 mm versus A91
    Weight
    Unknown
  2. 2. A91
    Height
    160.2 mm+34.7 mm versus Iris Atom X
    Width
    73.3 mm+9.9 mm versus Iris Atom X
    Depth
    7.9 mm
    Weight
    172 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.

Screen size
Iris Atom X: 4 in, 5:3, About 45.5 cm² rectangular area 1 A91: 6.4 in, 20:9, About 98.9 cm² rectangular area 2
  1. 1. Iris Atom X 4 in · 5:3 About 45.5 cm² rectangular area
  2. 2. A91 6.4 in · 20:9 About 98.9 cm² rectangular area

A91 has approximately 117.1% more rectangular screen area than Iris Atom X.

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 by storage capacity and phone
StorageIris Atom XA91
128 GB Unknown 8 GB RAM
Iris Atom X: Original memory entry

512 MB · 256 MB 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. Iris Atom X

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

2. A91

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 256 GB (dedicated slot)

Battery capacity

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

Recorded capacity

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

  1. 1. Iris Atom X1400 mAh
  2. 2. A914025 mAh

    +2625 mAh versus Iris Atom X

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. Iris Atom X2. A91

Everyday essentials
Everyday essentials
SpecificationIris Atom XA91
Dimensions (HxWxD)
  • 125.5 Х 63.4 Х 9.7 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 0 g
  • 172 g
Technology
  • TFT
  • AMOLED
Screen size
  • 4" inch
  • 6.4" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationIris Atom XA91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 100.4 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 57.2%
  • 85.5%
PPI /points per inch/
  • 233 PPI
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video
SpecificationIris Atom XA91
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 2 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance
Performance
SpecificationIris Atom XA91
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 135756
General specs
General specs
SpecificationIris Atom XA91
Release date
  • 2015
  • November
  • 2019
  • December
Colors
  • Black
  • White
  • Dark Blue
  • Red
  • Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life
  • Stand by time- Up to 140 h Talking time- Up to 7 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity
SpecificationIris Atom XA91
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 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)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • 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
  • USB On-The-Go
Bluetooth
  • 2.1
  • EDR
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio
SpecificationIris Atom XA91
Radio
  • FM radio
  • FM radio
Others Unknown
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features
SpecificationIris Atom XA91
Dop
  • Sensors Accelerometer For India
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0