Microsoft Lumia 640 LTE vs Nokia 6.1

Compare recorded specifications, size and practical differences.

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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.

  • Weight

    Lumia 640 LTE: 27 g lighter

    Lumia 640 LTE:
    145 g
    6.1:
    172 g
  • Width

    Lumia 640 LTE: 3.6 mm narrower

    Lumia 640 LTE:
    72.2 mm
    6.1:
    75.8 mm
  • Screen diagonal

    Lumia 640 LTE: 0.5 in smaller diagonal

    Lumia 640 LTE:
    5 in
    6.1:
    5.5 in
  • Chipset

    Lumia 640 LTE:
    Qualcomm MSM8926 Snapdragon 400 (28 nm)
    6.1:
    Qualcomm SDM630 Snapdragon 630 (14 nm)
  • Depth

    6.1: 0.6 mm thinner

    Lumia 640 LTE:
    8.8 mm
    6.1:
    8.2 mm
  • Height

    Lumia 640 LTE: 7.5 mm shorter

    Lumia 640 LTE:
    141.3 mm
    6.1:
    148.8 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. 1. Lumia 640 LTE

    Height:
    141.3 mm
    Width:
    72.2 mm
    Depth:
    8.8 mm +0.6 mm versus 6.1
  2. 2. 6.1

    Height:
    148.8 mm +7.5 mm versus Lumia 640 LTE
    Width:
    75.8 mm +3.6 mm versus Lumia 640 LTE
    Depth:
    8.2 mm

Weight

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

  1. 1. Lumia 640 LTE

    145 g

  2. 2. 6.1

    172 g

    +27 g versus Lumia 640 LTE

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. Lumia 640 LTE

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. 6.1

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

6.1 has approximately 21% more rectangular screen area than Lumia 640 LTE.

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 Lumia 640 LTE, 6.1, compared at the same storage capacity.
StorageLumia 640 LTE6.1
8 GB 1 GB RAM Unknown
6.1: Original memory entry

32/64 GB · 3/4 GB RAM

Practical features

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

1. Lumia 640 LTE

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. 6.1

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. Lumia 640 LTE

    2500 mAh

  2. 2. 6.1

    3000 mAh

    +500 mAh versus Lumia 640 LTE

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. Lumia 640 LTE2. 6.1

Everyday essentials
Everyday essentials — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
Dimensions (HxWxD)
  • 141.3 Х 72.2 Х 8.8 mm
  • 148.8 Х 75.8 Х 8.2 mm
Weight
  • 145 g
  • 172 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32/64 GB
  • 3/4 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • upgradable to Microsoft Windows 10
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); Android One
Chipset
  • Qualcomm MSM8926 Snapdragon 400 (28 nm)
  • Qualcomm SDM630 Snapdragon 630 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 82.6 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.6%
  • 73.2%
PPI /points per inch/
  • 294 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • 1/4''
  • AF
  • 16 MP
  • f/2.0
  • 27mm (wide)
  • 1.0µm
  • PDAF
Functions
  • LED flash
  • Zeiss optics
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core 2.2 GHz Cortex-A53
Graphics processor GPU
  • Adreno 305
  • Adreno 508
Antutu 7 score * Unknown
  • 90125
GeekBench 4 Single Core * Unknown
  • 869
GeekBench 4 Multi-Core * Unknown
  • 4102
GeekBench 4 RenderScript * Unknown
  • 3732
GeekBench 5 Single Core * Unknown
  • 174
GeekBench 5 Multi-Core * Unknown
  • 980
General specs
General specs — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
Release date
  • 2015
  • March
  • 2018
  • January
Colors
  • Glossy cyan
  • Orange
  • White
  • Matte Black
  • Black/Copper
  • White/Iron
  • Blue/Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 864 h (2G) / Up to 864 h (3G) Talking time- Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
  • Stand by time- Up to 507 h (3G) Talking time- Up to 16 h (3G) Music play - Up to 119 h
Body build Unknown
  • Front glass
  • Aluminum body (6000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
SIM card
  • Micro-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) LTE band 1(2100)
  • 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700) - T-Mobile
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO - Hong Kong
  • Taiwan -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - EMEA & APAC LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 17(700)
  • 38(2600) - LATAM LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - Hong Kong
  • Taiwan
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.94 W/kg (head) 1.82 W/kg (body)
Music and Audio
Music and Audio — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
Radio
  • FM radio
  • FM radio with RDS
Others
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Lumia 640 LTE, 6.1.
SpecificationLumia 640 LTE6.1
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W: 50% in 30 min