Acer F900 vs Sharp R1S

Compare recorded specifications, size and practical differences.

Acer F900

Replace F900

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Sharp R1S

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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.

Screen diagonalF900: 1.7 in smaller diagonalF900: 3.8 in · R1S: 5.5 in
Rear camera layoutSingle / DualF900: Single · R1S: Dual
Release year2009 / 2018F900: 2009 · R1S: 2018

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. F900
Height
117.5 mm
Width
63.5 mm
Depth
15.8 mm

Weight
150 g
2. R1S
Height
Unknown
Width
Unknown
Depth
Unknown

Weight
Unknown

Unavailable dimensions are omitted from the drawing.

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. F900 3.8 in · 5:3 About 41.1 cm² rectangular area
2. R1S 5.5 in · 16:9 About 83.4 cm² rectangular area

R1S has approximately 102.9% more rectangular screen area than F900.

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	F900	R1S
32 GB	Unknown	3 GB RAM

F900: Original memory entry

128 MB RAM · 256 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. F900

NFC: See details Super AMOLED
Headphone jack: See details panorama
Memory card support: See details microSD (dedicated slot)

2. R1S

NFC: Unknown
Headphone jack: No
Memory card support: See details microSD · up to 128 GB (uses SIM 2 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. F9001530 mAh
2. R1S5000 mAh

+3470 mAh versus F900

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. F9002. R1S

Everyday essentials

Everyday essentials
Specification	F900	R1S
Dimensions (HxWxD)	117.5 Х 63.5 Х 15.8 mm	Х Х mm
Weight	150 g	0 g
Technology	TFT	IPS LCD
Screen size	3.8" inch	5.5" inch
Screen resolution	480 x 800 px	720 x 1280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128 MB RAM 256 MB ROM	32 GB 3 GB RAM
Memory card support	microSD (dedicated slot)	microSD up to 128 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	1530 mAh Removable Li-Ion	5000 mAh Non-removable Li-Ion
Operating system OS	Microsoft Windows Mobile 6.1 Professional	Android 7.0 (Nougat)
Chipset	Unknown	Mediatek MT6750 (28 nm)
NFC	Super AMOLED	Unknown
Headphone jack	panorama	No

Display

Display
Specification	F900	R1S
Touchscreen	resistive touchscreen	capacitive touchscreen
Display colors	65K	16M
Screen area	41.1 cm2	83.4 cm2
Screen format	5:3 (height:width)	16:9 (height:width)
Screen to body ratio	55.1%	Unknown
PPI /points per inch/	246 PPI	267 PPI

Camera and Video

Camera and Video
Specification	F900	R1S
Rear camera, main	3.15 MP Single	13 MP Dual
Camera specs	3.15 MP AF	13 MP f/2.0 AF -5 MP depth sensor
Functions	Dual-LED flash	Dual-LED dual-tone flash panorama HDR
Video	480p@30fps	1080p@30fps
Front camera, selfie	0 MP,	5 MP Single
Specifications	Super AMOLED	5 MP f/2.4

Performance

Performance
Specification	F900	R1S
Processor CPU	533 MHz Samsung S3C 6410	Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU	Unknown	Mali-T860MP2
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	48572

General specs

General specs
Specification	F900	R1S
Release date	2009 February	2018 February
Colors	Black	Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	210 EUR	170 EUR
Battery life	Stand by time- Up to 150 h Talking time- Up to 4 h	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	F900	R1S
SIM card	Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 40(2300)
Speed	HSPA 7.2/2 Mbps	HSPA LTE
GPRS	Class 10	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes SiRF Star III chipset	Yes with A-GPS
USB	miniUSB 2.0	microUSB 2.0 USB On-The-Go
Bluetooth	microUSB 2.0 A2DP	4.2 A2DP LE
Harmful irradiation	SAR - 0.59 W/kg (head) 0.82 W/kg (body)	Unknown

Music and Audio

Music and Audio
Specification	F900	R1S
Radio	Stereo FM radio RDS	To be confirmed
Others	Handwriting recognition	Active noise cancellation with dedicated mic

Other features

Other features
Specification	F900	R1S
Dop	Sensors Accelerometer MP3/WMA/WAV/AAC+ player -MP4/H.264/WMV player -Pocket Office -Organizer -Voice memo/dial -Predictive text input	Sensors Fingerprint (front-mounted) accelerometer proximity - Power Bank/Reverse charging - For Indonesia Vietnam