Nokia Lumia 635 vs T-Mobile HD2

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

    Lumia 635: 23 g lighter

    Lumia 635:
    134 g
    HD2:
    157 g
  • Screen diagonal

    HD2: 0.2 in smaller diagonal

    Lumia 635:
    4.5 in
    HD2:
    4.3 in
  • Chipset

    Lumia 635:
    Qualcomm Snapdragon 400 (28 nm)
    HD2:
    Qualcomm QSD8250 Snapdragon S1
  • Depth

    Lumia 635: 1.8 mm thinner

    Lumia 635:
    9.2 mm
    HD2:
    11 mm
  • Height

    HD2: 7.5 mm shorter

    Lumia 635:
    129.5 mm
    HD2:
    122 mm
  • Release year

    Lumia 635:
    2014
    HD2:
    2010

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 635

    Height:
    129.5 mm +7.5 mm versus HD2
    Width:
    66.7 mm
    Depth:
    9.2 mm
  2. 2. HD2

    Height:
    122 mm
    Width:
    67 mm
    Depth:
    11 mm +1.8 mm versus Lumia 635

Weight

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

  1. 1. Lumia 635

    134 g

  2. 2. HD2

    157 g

    +23 g versus Lumia 635

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 635

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. HD2

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²

Lumia 635 has approximately 6.1% more rectangular screen area than HD2.

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.

Lumia 635: Original memory entry

8 GB · 512 MB/ 1 GB RAM

HD2: Original memory entry

576 MB RAM · 1 GB 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. Lumia 635

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

2. HD2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 16 GB included

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 635

    1830 mAh

    +600 mAh versus HD2

  2. 2. HD2

    1230 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. Lumia 6352. HD2

Everyday essentials
Everyday essentials — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
Dimensions (HxWxD)
  • 129.5 Х 66.7 Х 9.2 mm
  • 122 Х 67 Х 11 mm
Weight
  • 134 g
  • 157 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 4.3" inch
Screen resolution
  • 480 x 854 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB/ 1 GB RAM
  • 576 MB RAM
  • 1 GB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1830 mAh
  • Removable Li-Ion
  • 1230 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Microsoft Windows Mobile 6.5 Professional; Sense UI
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Qualcomm QSD8250 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 54.3 cm2
  • 52.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 62.9%
  • 64.4%
PPI /points per inch/
  • 221 PPI
  • 217 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 1/4''
  • AF
  • 5 MP
  • AF
Functions
  • panorama
  • Dual-LED flash
Video
  • 720p@30fps
  • 480p@30fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance

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

Performance — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 305
  • Adreno 200
Antutu 7 score *
  • 11986
Unknown
General specs
General specs — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
Release date
  • 2014
  • April
  • 2010
  • January
Colors
  • Bright orange
  • Bright Green
  • bright yellow
  • White
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 648 h Talking time- Up to 12 h (2G) / Up to 14 h (3G) Music play - Up to 58 h
  • Stand by time- Up to 480 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 - RM-974 HSDPA 850 / 1700 / 1900 / 2100 - RM-975 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800) - RM-974 LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - RM-975
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS; NaviPanel
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.97 W/kg (head) 0.77 W/kg (body) SAR EU - 0.75 W/kg (head) 0.79 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Lumia 635, HD2.
SpecificationLumia 635HD2
Dop
  • Sensors Accelerometer
  • sensor core - Versions: RM-974 (Global); RM-975 (USA)
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/eAAC+ player -MP4/WMV/H.264 player -Pocket Office -HTC Peep
  • HTC Footprints -T-mobile services: MobiTV
  • BLOCKBUSTER
  • Barnes & Nobl
  • Gogo Inflight Internet -Transformers & Transformers 2 movies preloaded -Voice memo -Predictive text input