Nokia 3.1 A vs O2 XDA Atom

Compare recorded specifications, size and practical differences.

Nokia 3.1 A

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O2 XDA Atom

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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.

WeightXDA Atom: 16 g lighterXDA Atom: 140 g · 3.1 A: 156 g
WidthXDA Atom: 13.9 mm narrowerXDA Atom: 58 mm · 3.1 A: 71.9 mm
Screen diagonalXDA Atom: 2.75 in smaller diagonalXDA Atom: 2.7 in · 3.1 A: 5.45 in
Depth3.1 A: 9.1 mm thinner3.1 A: 9.4 mm · XDA Atom: 18.5 mm
HeightXDA Atom: 50.7 mm shorterXDA Atom: 102 mm · 3.1 A: 152.7 mm
Release year2019 / 20053.1 A: 2019 · XDA Atom: 2005

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

Side

1. 3.1 A
Height
152.7 mm+50.7 mm versus XDA Atom
Width
71.9 mm+13.9 mm versus XDA Atom
Depth
9.4 mm

Weight
156 g
2. XDA Atom
Height
102 mm
Width
58 mm
Depth
18.5 mm+9.1 mm versus 3.1 A

Weight
140 g

Weight

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

1. 3.1 A156 g

+16 g versus XDA Atom
2. XDA Atom140 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

1. 3.1 A 5.45 in · 18:9 About 76.7 cm² rectangular area
2. XDA Atom 2.7 in · 4:3 About 22.6 cm² rectangular area

3.1 A has approximately 239.5% more rectangular screen area than XDA Atom.

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
Storage	3.1 A	XDA Atom
32 GB	2 GB RAM	Unknown

XDA Atom: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

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

1. 3.1 A

NFC: Unknown
Headphone jack: Yes
Memory card support: See details microSD · up to 128 GB

2. XDA Atom

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

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. 3.1 A2990 mAh

+1460 mAh versus XDA Atom
2. XDA Atom1530 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. 3.1 A2. XDA Atom

Everyday essentials

Everyday essentials
Specification	3.1 A	XDA Atom
Dimensions (HxWxD)	152.7 Х 71.9 Х 9.4 mm	102 Х 58 Х 18.5 mm
Weight	156 g	140 g
Technology	IPS LCD	TFT
Screen size	5.45" inch	2.7" inch
Screen resolution	720 x 1440 px	240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 2 GB RAM	64 MB RAM 128 MB ROM
Memory card support	microSD up to 128 GB	miniSD
BatteryCapacity is not battery life. No endurance test is implied.	2990 mAh Non-removable Li-Ion	1530 mAh Removable Li-Po
Operating system OS	Android 9.0 (Pie)	Microsoft Windows Mobile 5.0 PocketPC
Chipset	Qualcomm SDM429 Snapdragon 429	Unknown
Headphone jack	Yes	No

Display

Display
Specification	3.1 A	XDA Atom
Touchscreen	capacitive touchscreen	resistive touchscreen
Display colors	16M	Unknown
Screen area	76.7 cm2	22.6 cm2
Screen format	18:9 (height:width)	4:3 (height:width)
Screen to body ratio	69.8%	38.2%
PPI /points per inch/	295 PPI	148 PPI

Camera and Video

Camera and Video
Specification	3.1 A	XDA Atom
Rear camera, main	8 MP Single	2 MP Single
Camera specs	8 MP f/2.0 AF	2 MP
Functions	HDR	LED flash
Video	720p@30fps	Yes
Front camera, selfie	5 MP Single	0 MP,
Specifications	5 MP f/2.2	Unknown

Performance

Performance
Specification	3.1 A	XDA Atom
Processor CPU	Quad-core 1.8 GHz Cortex-A53	Intel PXA272 416 MHz
Graphics processor GPU	Adreno 504	Unknown

General specs

General specs
Specification	3.1 A	XDA Atom
Release date	2019 June	2005 November
Colors	Black	Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	Unknown	260 EUR
Battery life	Unknown	Stand by time- Up to 150 h Talking time- Up to 5 h 30 min

Communication and Connectivity

Communication and Connectivity
Specification	3.1 A	XDA Atom
SIM card	Nano-SIM	Mini-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA (unspecified) -4G - LTE (unspecified)	Unknown
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	Unknown
GPRS	Yes	Class 10
Edge	Yes	Class 10
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11b
GPS	Yes with A-GPS GLONASS BDS	No
USB	2.0 Type-C 1.0 reversible connector	miniUSB
Bluetooth	5.0 A2DP LE	1.2

Music and Audio

Music and Audio
Specification	3.1 A	XDA Atom
Radio	FM radio	FM radio
Others	Unknown	Handwriting recognition

Other features

Other features
Specification	3.1 A	XDA Atom
Dop	Sensors Accelerometer gyro proximity - Fast battery charging 10W - For AT&T	Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815

Nokia 3.1 A vs O2 XDA Atom

Nokia 3.1 A

O2 XDA Atom

Key differences

Physical size

Screen size

Memory variants

Practical features

1. 3.1 A

2. XDA Atom

Battery capacity

Specifications

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