HTC First vs Lava Iris X1 Atom S

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

    Iris X1 Atom S: 11.9 g lighter

    First:
    123.9 g
    Iris X1 Atom S:
    112 g
  • Width

    Iris X1 Atom S: 1.6 mm narrower

    First:
    65 mm
    Iris X1 Atom S:
    63.4 mm
  • Screen diagonal

    Iris X1 Atom S: 0.3 in smaller diagonal

    First:
    4.3 in
    Iris X1 Atom S:
    4 in
  • Depth

    First: 0.8 mm thinner

    First:
    8.9 mm
    Iris X1 Atom S:
    9.7 mm
  • Release year

    First:
    2013
    Iris X1 Atom S:
    2015

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. First

    Height:
    126 mm
    Width:
    65 mm +1.6 mm versus Iris X1 Atom S
    Depth:
    8.9 mm
  2. 2. Iris X1 Atom S

    Height:
    125.5 mm
    Width:
    63.4 mm
    Depth:
    9.7 mm +0.8 mm versus First

Weight

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

  1. 1. First

    123.9 g

    +11.9 g versus Iris X1 Atom S

  2. 2. Iris X1 Atom S

    112 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. First

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²
  2. 2. Iris X1 Atom S

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

First has approximately 11.9% more rectangular screen area than Iris X1 Atom S.

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 First, Iris X1 Atom S, compared at the same storage capacity.
StorageFirstIris X1 Atom S
16 GB 1 GB RAM Unknown
Iris X1 Atom S: Original memory entry

8 GB · 512 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. First

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

2. Iris X1 Atom S

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

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. First

    2000 mAh

    +600 mAh versus Iris X1 Atom S

  2. 2. Iris X1 Atom S

    1400 mAh

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. First2. Iris X1 Atom S

Everyday essentials
Everyday essentials — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
Dimensions (HxWxD)
  • 126 Х 65 Х 8.9 mm
  • 125.5 Х 63.4 Х 9.7 mm
Weight
  • 123.9 g
  • 112 g
Technology
  • Super LCD
  • TFT
Screen size
  • 4.3" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean); Facebook Home UI
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 51.0 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 62.2%
  • 57.2%
PPI /points per inch/
  • 342 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 1.6 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.6 MP
  • VGA
Performance

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

Performance — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
Processor CPU
  • Dual-core 1.4 GHz Krait
  • 1.0 GHz
Graphics processor GPU
  • Adreno 305
Unknown
Antutu 7 score *
  • 18456
Unknown
General specs
General specs — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
Release date
  • 2013
  • April
  • 2015
  • June
Colors
  • White
  • Black
  • Red
  • Pale Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
Unknown
Battery life
  • Stand by time- Up to 432 h Talking time- Up to 14 h 20 min
  • Stand by time- Up to 110 h (3G) Talking time- Up to 14 h 20 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
SIM card
  • Micro-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - AT&T
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 2.1
  • EDR
Music and Audio
Music and Audio — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for First, Iris X1 Atom S.
SpecificationFirstIris X1 Atom S
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer For India