HTC U Ultra vs Oppo Realme 6i

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: 29 g lighter

    U Ultra:
    170 g
    Realme 6i:
    199 g
  • Width

    Realme 6i: 4.4 mm narrower

    U Ultra:
    79.8 mm
    Realme 6i:
    75.4 mm
  • Screen diagonal

    U Ultra: 0.8 in smaller diagonal

    U Ultra:
    5.7 in
    Realme 6i:
    6.5 in
  • Chipset

    U Ultra:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    Realme 6i:
    Mediatek Helio G80 (12 nm)
  • Rear camera layout

    U Ultra:
    Single
    Realme 6i:
    Quad
  • Depth

    U Ultra: 1 mm thinner

    U Ultra:
    8 mm
    Realme 6i:
    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 +4.4 mm versus Realme 6i
    Depth:
    8 mm
  2. 2. Realme 6i

    Height:
    164.4 mm +2 mm versus U Ultra
    Width:
    75.4 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 6i

    199 g

    +29 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 6i

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

Realme 6i 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 6i, compared at the same storage capacity.
StorageU UltraRealme 6i
64 GB Unknown 3 GB RAM
128 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 6i

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 6i

    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 6i

Everyday essentials
Everyday essentials — specifications for U Ultra, Realme 6i.
SpecificationU UltraRealme 6i
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 164.4 Х 75.4 Х 9 mm
Weight
  • 170 g
  • 199 g
Technology
  • Super LCD5
  • IPS LCD
Screen size
  • 5.7" inch
  • 6.5" inch
Screen resolution
  • 1440 x 2560 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 64GB 3GB RAM
  • 128GB 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
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Mediatek Helio G80 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, Realme 6i.
SpecificationU UltraRealme 6i
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%
  • 82.3%
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 6i.
SpecificationU UltraRealme 6i
Rear camera, main
  • 12 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2.25''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions
  • Auto-HDR
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • 16 MP
  • f/2.0
  • (wide)
Performance

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

Performance — specifications for U Ultra, Realme 6i.
SpecificationU UltraRealme 6i
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Graphics processor GPU
  • Adreno 530
  • Mali-G52 MC2
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 6i.
SpecificationU UltraRealme 6i
Release date
  • 2017
  • January
  • 2020
  • March 17
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • Cream White
  • Green Tea
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 160 EUR
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
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, Realme 6i.
SpecificationU UltraRealme 6i
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 42.2/5.76 Mbps
  • LTE-A
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for U Ultra, Realme 6i.
SpecificationU UltraRealme 6i
Radio
  • No
  • FM radio
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for U Ultra, Realme 6i.
SpecificationU UltraRealme 6i
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 18W - Splash resistant