O2 XDA Atom Exec vs Xiaomi Redmi S2

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

    XDA Atom Exec: 30 g lighter

    XDA Atom Exec:
    140 g
    Redmi S2:
    170 g
  • Width

    XDA Atom Exec: 19.3 mm narrower

    XDA Atom Exec:
    58 mm
    Redmi S2:
    77.3 mm
  • Screen diagonal

    XDA Atom Exec: 3.29 in smaller diagonal

    XDA Atom Exec:
    2.7 in
    Redmi S2:
    5.99 in
  • Rear camera layout

    XDA Atom Exec:
    Single
    Redmi S2:
    Dual
  • Depth

    Redmi S2: 10.4 mm thinner

    XDA Atom Exec:
    18.5 mm
    Redmi S2:
    8.1 mm
  • Height

    XDA Atom Exec: 58.7 mm shorter

    XDA Atom Exec:
    102 mm
    Redmi S2:
    160.7 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. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +10.4 mm versus Redmi S2
  2. 2. Redmi S2

    Height:
    160.7 mm +58.7 mm versus XDA Atom Exec
    Width:
    77.3 mm +19.3 mm versus XDA Atom Exec
    Depth:
    8.1 mm

Weight

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

  1. 1. XDA Atom Exec

    140 g

  2. 2. Redmi S2

    170 g

    +30 g versus XDA Atom Exec

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. XDA Atom Exec

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. Redmi S2

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Redmi S2 has approximately 310.2% more rectangular screen area than XDA Atom Exec.

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.

XDA Atom Exec: Original memory entry

64 MB RAM · 192 MB ROM

Redmi S2: Original memory entry

64 GB · 4 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. XDA Atom Exec

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

2. Redmi S2

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 battery capacity

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

  1. 1. XDA Atom Exec

    1530 mAh

  2. 2. Redmi S2

    3080 mAh

    +1550 mAh versus XDA Atom Exec

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. XDA Atom Exec2. Redmi S2

Everyday essentials
Everyday essentials — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 140 g
  • 170 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.7" inch
  • 5.99" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 192 MB ROM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 8.1 (Oreo); MIUI 10
Chipset Unknown
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 22.6 cm2
  • 92.6 cm2
Screen format
  • 4:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 38.2%
  • 74.5%
PPI /points per inch/
  • 148 PPI
  • 269 PPI
Camera and Video
Camera and Video — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • Yes
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
Performance

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

Performance — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
Processor CPU
  • Intel XScale PXA 27x 520MHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 score * Unknown
  • 78926
GeekBench 4 Single Core * Unknown
  • 835
GeekBench 4 Multi-Core * Unknown
  • 4087
GeekBench 5 Single Core * Unknown
  • 168
GeekBench 5 Multi-Core * Unknown
  • 985
General specs
General specs — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
Release date
  • 2006
  • June
  • 2018
  • May
Colors
  • Silver
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 150 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Atom Exec, Redmi S2.
SpecificationXDA Atom ExecRedmi S2
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India