Side-by-side technical data

BenQ-Siemens S81 vs BenQ-Siemens M81

Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.

BenQ-Siemens

S81

BenQ-Siemens

M81

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The verdict

Neither runs away with it: each wins something.

Which one is for you?

BenQ-Siemens S81, if you care about…

Battery Capacity
920 mAh
against 820 mAh
RAM Capacity
30 MB
against 27 MB
Maximum Storage Capacity
30 MB
against 27 MB
Display Pixel Density
141 ppi
against 122 ppi

BenQ-Siemens M81, if you care about…

Weight
96 g
against 99 g
Talk time
5 h
against 4.833 h

Specification comparison

Performance

Specification S81 M81
Processor Model
Processor Process Size
Graphics GPU
Storage Type
Maximum CPU Clock
Maximum Storage Capacity 30 MB Best value 27 MB
AnTuTu Score
Geekbench 6 Single-Core
Geekbench 6 Multi-Core
CPU Description
Processor Type
64-Bit Processor
RAM Capacity 30 MB Best value 27 MB
RAM Type
Expandable Storage Yes Yes
AnTuTu version
3DMark Wild Life Extreme
Maximum memory card

Design

Specification S81 M81
Body Colors Black, Silver Black, Blue
Body Thickness 13 mm Best value 18.4 mm
Body Width 48 mm 47.5 mm
Body Height 109 mm 105.3 mm
Weight 99 g 96 g Best value
Usable Surface 24.1 % Best value 20.1 %
Body Materials
Resistance Features Dust Resistant
Waterproof Depth
Drop Resistance Class
Repairability Class
Foldable No No
Rugged Build No No
Drop Test Count
Unfolded thickness
QWERTY keyboard

Battery

Specification S81 M81
Battery Efficiency Rating
Battery Capacity 920 mAh Best value 820 mAh
Battery Type Li-Ion Li-Ion
Fast Charge Power
Battery Features
Battery Endurance
Wireless charging power
Charge cycles
Talk time 4.833 h 5 h Best value
Standby time 320 h Best value 300 h
Music playback time
Reverse wireless charging power

Display

Specification S81 M81
Display Aspect Ratio 4:5 4:3
Display Technology TFT LCD TFT LCD
Peak Display Brightness
Display Diagonal 2″ Best value 1.8″
Display Horizontal Resolution 176 px Best value 132 px
Display Vertical Resolution 220 px Best value 176 px
Display Pixel Density 141 ppi Best value 122 ppi
Display Refresh Rate
Touch Sampling Rate
Display Contrast Ratio
Display Features
Integrated Projector No No
Projector Brightness
Projector Horizontal Resolution
Projector Vertical Resolution
Cover display diagonal
Cover display refresh rate
Cover display peak brightness
Display colors 256K colors 256K colors

Sensors

Specification S81 M81
Fingerprint Sensor Placement

Sensor

Specification S81 M81
Sensor Features

Software

Specification S81 M81
Operating System
OS Family
OS Version
OS Update Support
Direct OS Updates
Google Services
Web browser WAP 2.0/xHTML WAP 2.0/xHTML
Java (J2ME) Yes Yes
Widevine L1

Connectivity

Specification S81 M81
SIM Configurations Mini-SIM Mini-SIM
Cellular Bands 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 2100 2G GSM 900, 2G GSM 1800, 2G GSM 1900
Cellular Technologies GSM, UMTS Best value GSM, GPRS, EDGE
Wi-Fi Standards
Wi-Fi Features
Bluetooth Version Bluetooth 1.1
Bluetooth Profiles
Navigation Systems
Connectivity Features MP3 Player, Video Calls, USB Charging MP3 Player, USB 2.0
USB Version Proprietary USB 2.0
SAR American Head
SAR American Body
SAR (EU) head
SAR (EU) body
Messaging SMS, MMS, Email SMS, MMS, Email, Instant messaging
Max. download speed
Max. upload speed

Audio

Specification S81 M81
Microphone Count
Audio Features
Alert types Vibration, Downloadable ringtones, Polyphonic ringtones, MP3 ringtones Vibration, Downloadable ringtones, Polyphonic ringtones, MP3 ringtones

Technical

Specification S81 M81
EAN / GTIN
UPC
Launch price
MPN
Launch price (USD)

Features

Specification S81 M81
Built-in functions MP3 player, Video telephony, Predictive text input, Stopwatch, Organizer MP3 player, Organizer, Voice memo, Predictive text input
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