You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

OnePlus 3T vs Samsung i640

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

    i640: 10 g lighter

    3T:
    158 g
    i640:
    148 g
  • Width

    i640: 13.7 mm narrower

    3T:
    74.7 mm
    i640:
    61 mm
  • Screen diagonal

    i640: 3.1 in smaller diagonal

    3T:
    5.5 in
    i640:
    2.4 in
  • Depth

    3T: 9.5 mm thinner

    3T:
    7.4 mm
    i640:
    16.9 mm
  • Height

    i640: 58.3 mm shorter

    3T:
    152.7 mm
    i640:
    94.4 mm
  • Release year

    3T:
    2016
    i640:
    2008

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. 3T

    Height:
    152.7 mm +58.3 mm versus i640
    Width:
    74.7 mm +13.7 mm versus i640
    Depth:
    7.4 mm
  2. 2. i640

    Height:
    94.4 mm
    Width:
    61 mm
    Depth:
    16.9 mm +9.5 mm versus 3T

Weight

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

  1. 1. 3T

    158 g

    +10 g versus i640

  2. 2. i640

    148 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.

  1. 1. 3T

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. i640

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²

3T has approximately 367.5% more rectangular screen area than i640.

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 for 3T, i640, compared at the same storage capacity.
Storage3Ti640
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
i640: 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. 3T

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

2. i640

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. 3T

    3400 mAh

    +2400 mAh versus i640

  2. 2. i640

    1000 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. 3T2. i640

Everyday essentials
Everyday essentials — specifications for 3T, i640.
Specification3Ti640
Dimensions (HxWxD)
  • 152.7 Х 74.7 Х 7.4 mm
  • 94.4 Х 61 Х 16.9 mm
Weight
  • 158 g
  • 148 g
Technology
  • Optic AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 2.4" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6 GB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • No
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3400 mAh
  • Non-removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo); OxygenOS 5.0.4
  • Microsoft Windows Mobile 6.0 Standard
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for 3T, i640.
Specification3Ti640
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 73.1%
  • 31.0%
PPI /points per inch/
  • 401 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for 3T, i640.
Specification3Ti640
Rear camera, main
  • 16 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • 1/2.8''
  • 1.12µm
  • OIS
  • PDAF
  • 2 MP
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 1/3.1''
  • 1.0µm
  • VGA videocall camera
Performance

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

Performance — specifications for 3T, i640.
Specification3Ti640
Processor CPU
  • Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
  • 32-bit Intel XScale PXA270 416 MHz
Graphics processor GPU
  • Adreno 530
Unknown
Antutu 7 score *
  • 178923
Unknown
GeekBench 4 Single Core *
  • 1800
Unknown
GeekBench 4 Multi-Core *
  • 4117
Unknown
GeekBench 4 RenderScript *
  • 7474
Unknown
GeekBench 5 Single Core *
  • 335
Unknown
GeekBench 5 Multi-Core *
  • 783
Unknown
General specs
General specs — specifications for 3T, i640.
Specification3Ti640
Release date
  • 2016
  • November
  • 2008
  • February
Colors
  • Gunmetal
  • soft gold
  • Midnight Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 440 EUR
  • 150 EUR
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 3T, i640.
Specification3Ti640
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - North America HSDPA 850 / 900 / 1900 / 2100 - Global model CDMA2000 1xEV-DO - North America -4G - LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 30(2300) - North America LTE band 1(2100)
  • 3(1800)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global model
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 1.1
Bluetooth
  • 4.2
  • A2DP
  • aptX HD
  • LE
  • 2.0
Harmful irradiation
  • SAR - 0.99 W/kg (head) 0.65 W/kg (body)
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for 3T, i640.
Specification3Ti640
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
  • Jog Dial
Other features
Other features — specifications for 3T, i640.
Specification3Ti640
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Dash Charge)
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo