Samsung i637 Jack vs vivo NEX 3: specs comparison

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

i637 Jack: 115.2 g lighter

i637 Jack:

102.1 g

NEX 3:

217.3 g
Width

i637 Jack: 15.1 mm narrower

i637 Jack:

61 mm

NEX 3:

76.1 mm
Screen diagonal

i637 Jack: 4.49 in smaller diagonal

i637 Jack:

2.4 in

NEX 3:

6.89 in
Rear camera layout

i637 Jack:

Single

NEX 3:

Triple
Depth

NEX 3: 3.3 mm thinner

i637 Jack:

12.7 mm

NEX 3:

9.4 mm
Height

i637 Jack: 50.4 mm shorter

i637 Jack:

117 mm

NEX 3:

167.4 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. i637 Jack

Height:

117 mm
Width:

61 mm
Depth:

12.7 mm +3.3 mm versus NEX 3
2. NEX 3

Height:

167.4 mm +50.4 mm versus i637 Jack
Width:

76.1 mm +15.1 mm versus i637 Jack
Depth:

9.4 mm

Weight

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

1. i637 Jack

102.1 g
2. NEX 3

217.3 g

+115.2 g versus i637 Jack

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.

At least two phones need compatible screen dimensions for a drawing.

1. i637 Jack

Screen diagonal:

2.4 in

Aspect ratio (height:width):

4:3

Approximate rectangular screen area:

17.8 cm²
2. NEX 3

NEX 3: Screen geometry unavailable or conflicting.

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.

i637 Jack: Original memory entry

256 MB RAM · 256 MB ROM

NEX 3: Original memory entry

128GB 8GB RAM · UFS3.0

Practical features

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

1. i637 Jack

NFC:: Unknown
Headphone jack:: No
Memory card support:: See details microSD · up to 16 GB (dedicated slot)

2. NEX 3

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

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. i637 Jack

1480 mAh
2. NEX 3

4500 mAh

+3020 mAh versus i637 Jack

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. i637 Jack2. NEX 3

Everyday essentials

Everyday essentials — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
Dimensions (HxWxD)	117 Х 61 Х 12.7 mm	167.4 Х 76.1 Х 9.4 mm
Weight	102.1 g	217.3 g
Technology	TFT	Super AMOLED
Screen size	2.4" inch	6.89" inch
Screen resolution	320 x 240 px	1080 x 2256 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	256 MB RAM 256 MB ROM	128GB 8GB RAM UFS3.0
Memory card support	microSD up to 16 GB (dedicated slot)	No
Battery Capacity is not battery life. No endurance test is implied.	1480 mAh Removable Li-Ion	4500 mAh Non-removable Li-Po
Operating system OS	Microsoft Windows Mobile 6.1 Standard upgradable to Windows Mobile 6.5	Android 9.0 (Pie); Funtouch 9.1
Chipset	Unknown	Qualcomm SDM855 Snapdragon 855+ (7 nm)
Headphone jack	No	Yes

Display

Display — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
Touchscreen	Unknown	capacitive touchscreen
Display colors	65K	16M
Screen area	17.8 cm2	119.3 cm2
Screen format	4:3 (height:width)	Unknown
Screen to body ratio	25.0%	93.6%
PPI /points per inch/	167 PPI	0 PPI

Camera and Video

Camera and Video — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
Rear camera, main	3.15 MP Single	64 MP Triple
Camera specs	3.15 MP	64 MP f/1.8 (wide) 1/1.7'' 0.8µm PDAF -13 MP f/2.5 (telephoto) f/2.2 (ultrawide) PDAF
Functions	Unknown	LED flash HDR
Video	Yes	1080p@30fps
Front camera, selfie	0 MP,	16 MP Single
Specifications	Unknown	Motorized pop-up 16 MP f/2.1

Performance

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

Performance — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
Processor CPU	528 MHz	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU	Unknown	Adreno 640 (700 MHz)
Antutu 8 score *	Unknown	483427

General specs

General specs — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
Release date	2009 May	2019 September
Colors	Unknown	Liquid Tianhe Deep air streamer
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	120 EUR	640 EUR
Battery life	Stand by time- Up to 288 h Talking time- Up to 7 h	Unknown
Body build	Unknown	Front/back glass aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
SIM card	Mini-SIM	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 18(800) 19(800) 20(800) 26(850) 28(700) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 3.6/0.384 Mbps	HSPA 42.2/5.76 Mbps LTE-A (5CA) Cat18 1200/150 Mbps
GPRS	Class 10	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS GALILEO BDS
USB	2.0	2.0 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	2.0 A2DP	5.0 A2DP LE
Harmful irradiation	SAR - 1.04 W/kg (head) 0.53 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
Radio	No	No
Others	Unknown	HDR10 32-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features — specifications for i637 Jack, NEX 3.
Specification	i637 Jack	NEX 3
Dop	Windows Media Player 10 -Windows Live Yahoo! AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast battery charging 44W

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Samsung i637 Jack vs vivo NEX 3