HTC U Ultra vs Oppo Realme C3

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

    U Ultra: 25 g lighter

    U Ultra:
    170 g
    Realme C3:
    195 g
  • Width

    Realme C3: 4.8 mm narrower

    U Ultra:
    79.8 mm
    Realme C3:
    75 mm
  • Screen diagonal

    U Ultra: 0.8 in smaller diagonal

    U Ultra:
    5.7 in
    Realme C3:
    6.5 in
  • Chipset

    U Ultra:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    Realme C3:
    Mediatek Helio G70 (12 nm)
  • Rear camera layout

    U Ultra:
    Single
    Realme C3:
    Dual
  • Depth

    U Ultra: 1 mm thinner

    U Ultra:
    8 mm
    Realme C3:
    9 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. U Ultra

    Height:
    162.4 mm
    Width:
    79.8 mm +4.8 mm versus Realme C3
    Depth:
    8 mm
  2. 2. Realme C3

    Height:
    164.4 mm +2 mm versus U Ultra
    Width:
    75 mm
    Depth:
    9 mm +1 mm versus U Ultra

Weight

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

  1. 1. U Ultra

    170 g

  2. 2. Realme C3

    195 g

    +25 g versus U Ultra

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. U Ultra

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. Realme C3

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

Realme C3 has approximately 13.9% more rectangular screen area than U Ultra.

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 U Ultra, Realme C3, compared at the same storage capacity.
StorageU UltraRealme C3
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
64 GB Unknown 4 GB RAM
U Ultra: Original memory entry

64/128 GB · 512GB 4GB

Practical features

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

1. U Ultra

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

2. Realme C3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. U Ultra

    3000 mAh

  2. 2. Realme C3

    5000 mAh

    +2000 mAh versus U Ultra

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. U Ultra2. Realme C3

Everyday essentials
Everyday essentials — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 164.4 Х 75 Х 9 mm
Weight
  • 170 g
  • 195 g
Technology
  • Super LCD5
  • IPS LCD
Screen size
  • 5.7" inch
  • 6.5" inch
Screen resolution
  • 1440 x 2560 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 32GB 2GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android 10.0; realme UI 1.0
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Mediatek Helio G70 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 90.3 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 69.7%
  • 82.7%
PPI /points per inch/
  • 513 PPI
  • 270 PPI
Screen protection
  • Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
Rear camera, main
  • 12 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 12 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.8"
  • 1.25µm
  • PDAF -2 MP
  • f/2.4
  • (depth sensor)
  • 1.75µm
Functions
  • Auto-HDR
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16 MP
  • 5 MP
  • f/2.4
  • 27mm (wide)
  • 1/5''
  • 1.12µm
Performance

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

Performance — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
Graphics processor GPU
  • Adreno 530
  • Mali-G52 2EEMC2
Antutu 7 score *
  • 168385
Unknown
GeekBench 4 Single Core *
  • 1662
Unknown
GeekBench 4 Multi-Core *
  • 3920
Unknown
GeekBench 4 RenderScript *
  • 7174
Unknown
GeekBench 5 Single Core *
  • 302
Unknown
GeekBench 5 Multi-Core *
  • 795
Unknown
General specs
General specs — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
Release date
  • 2017
  • January
  • 2020
  • February 5
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • Frozen Blue
  • Blazing Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 150 USD
Battery life
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
Unknown
Body build
  • Front/back glass
  • aluminum frame
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -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)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A (2CA) Cat6 300/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
Radio
  • No
  • FM radio
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • 480 nits max brightness
Other features
Other features — specifications for U Ultra, Realme C3.
SpecificationU UltraRealme C3
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note
  • Sensors Accelerometer
  • proximity
  • compass - Battery charging 10W - Splash resistant