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HTC U12+ vs Samsung i640

Compare recorded specifications, size and practical differences.

HTC U12+

HTC U12+

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Samsung i640

Samsung i640

Replace i640
Remove i640
+ 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: 40 g lighter

    U12+:
    188 g
    i640:
    148 g
  • Width

    i640: 12.9 mm narrower

    U12+:
    73.9 mm
    i640:
    61 mm
  • Screen diagonal

    i640: 3.6 in smaller diagonal

    U12+:
    6 in
    i640:
    2.4 in
  • Rear camera layout

    U12+:
    Dual
    i640:
    Single
  • Depth

    U12+: 8.2 mm thinner

    U12+:
    8.7 mm
    i640:
    16.9 mm
  • Height

    i640: 62.2 mm shorter

    U12+:
    156.6 mm
    i640:
    94.4 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.

Front
Front — relative 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. U12+: height 156.6 mm; Width 73.9 mm. i640: height 94.4 mm; Width 61 mm. U12+: 156.6 × 73.9 mm 1 i640: 94.4 × 61 mm 2
Side
Side — relative 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. U12+: height 156.6 mm; Depth 8.7 mm. i640: height 94.4 mm; Depth 16.9 mm. U12+: 156.6 × 8.7 mm 1 i640: 94.4 × 16.9 mm 2
  1. 1. U12+

    Height:
    156.6 mm +62.2 mm versus i640
    Width:
    73.9 mm +12.9 mm versus i640
    Depth:
    8.7 mm
    Weight:
    188 g
  2. 2. i640

    Height:
    94.4 mm
    Width:
    61 mm
    Depth:
    16.9 mm +8.2 mm versus U12+
    Weight:
    148 g

Weight

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

  1. 1. U12+

    188 g

    +40 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.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below 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. U12+: screen diagonal 6 in; aspect ratio (height:width) 18:9; approximate rectangular area 92.9 cm². i640: screen diagonal 2.4 in; aspect ratio (height:width) 4:3; approximate rectangular area 17.8 cm². U12+: 6 in, 18:9, About 92.9 cm² rectangular area 1 i640: 2.4 in, 4:3, About 17.8 cm² rectangular area 2
  1. 1. U12+

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. i640

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

U12+ has approximately 420.8% 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 U12+, i640, compared at the same storage capacity.
StorageU12+i640
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. U12+

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

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. U12+

    3500 mAh

    +2500 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. U12+2. i640

Everyday essentials
Everyday essentials — specifications for U12+, i640.
SpecificationU12+i640
Dimensions (HxWxD)
  • 156.6 Х 73.9 Х 8.7 mm
  • 94.4 Х 61 Х 16.9 mm
Weight
  • 188 g
  • 148 g
Technology
  • Super LCD6
  • TFT
Screen size
  • 6" inch
  • 2.4" inch
Screen resolution
  • 1440 x 2880 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
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Sense UI
  • Microsoft Windows Mobile 6.0 Standard
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • No
  • No
Display
Display — specifications for U12+, i640.
SpecificationU12+i640
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 92.9 cm2
  • 17.8 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 80.3%
  • 31.0%
PPI /points per inch/
  • 537 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for U12+, i640.
SpecificationU12+i640
Rear camera, main
  • 12 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF & laser AF
  • OIS -16 MP (12 MP effective)
  • f/2.6
  • 1.0µm
  • 2x optical zoom
  • AF
  • 2 MP
Functions
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Dual
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm 8 MP
  • 1.12µm
  • VGA videocall camera
DxOMark Main Score Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 103
Unknown
DxOMark Photo Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 106
Unknown
DxOMark Video Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 95
Unknown
Performance
Performance — specifications for U12+, i640.
SpecificationU12+i640
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
  • 32-bit Intel XScale PXA270 416 MHz
Graphics processor GPU
  • Adreno 630
Unknown
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 275302
Unknown
GeekBench 4 Single Core Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 2406
Unknown
GeekBench 4 Multi-Core Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 8712
Unknown
GeekBench 4 RenderScript Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 13476
Unknown
GeekBench 5 Single Core Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 507
Unknown
GeekBench 5 Multi-Core Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 2082
Unknown
General specs
General specs — specifications for U12+, i640.
SpecificationU12+i640
Release date
  • 2018
  • May
  • 2008
  • February
Colors
  • Translucent Blue
  • Ceramic Black
  • Flame red
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 650 EUR
  • 150 EUR
Battery life
  • Talking time- Up to 24 h (3G)
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Body build
  • Front/back glass & aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U12+, i640.
SpecificationU12+i640
SIM card
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 49
  • 41(2500)
  • 66(1700/2100)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 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
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • No
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • 1.1
Bluetooth
  • 5.0
  • A2DP
  • aptX HD
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for U12+, i640.
SpecificationU12+i640
Radio
  • No
  • No
Others
  • DCI-P3 -HDR10
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
  • Jog Dial
Other features
Other features — specifications for U12+, i640.
SpecificationU12+i640
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 35 min (Quick Charge 3.0) - IP68 dust/water proof (up to 1.5m for 30 mins) -Pressure-sensitive buttons
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo