Oppo Realme U1 vs Samsung Gravity SMART

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

    Gravity SMART: 38 g lighter

    Realme U1:
    168 g
    Gravity SMART:
    130 g
  • Width

    Gravity SMART: 15 mm narrower

    Realme U1:
    74 mm
    Gravity SMART:
    59 mm
  • Screen diagonal

    Gravity SMART: 3.1 in smaller diagonal

    Realme U1:
    6.3 in
    Gravity SMART:
    3.2 in
  • Rear camera layout

    Realme U1:
    Dual
    Gravity SMART:
    Single
  • Depth

    Realme U1: 6 mm thinner

    Realme U1:
    8 mm
    Gravity SMART:
    14 mm
  • Height

    Gravity SMART: 43 mm shorter

    Realme U1:
    157 mm
    Gravity SMART:
    114 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. Realme U1

    Height:
    157 mm +43 mm versus Gravity SMART
    Width:
    74 mm +15 mm versus Gravity SMART
    Depth:
    8 mm
  2. 2. Gravity SMART

    Height:
    114 mm
    Width:
    59 mm
    Depth:
    14 mm +6 mm versus Realme U1

Weight

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

  1. 1. Realme U1

    168 g

    +38 g versus Gravity SMART

  2. 2. Gravity SMART

    130 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.

  1. 1. Realme U1

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. Gravity SMART

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

Realme U1 has approximately 219.5% more rectangular screen area than Gravity SMART.

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.

Realme U1: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

Gravity SMART: Original memory entry

150 MB · 270 MB 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. Realme U1

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

2. Gravity SMART

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 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. Realme U1

    3500 mAh

    +2000 mAh versus Gravity SMART

  2. 2. Gravity SMART

    1500 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. Realme U12. Gravity SMART

Everyday essentials
Everyday essentials — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
Dimensions (HxWxD)
  • 157 Х 74 Х 8 mm
  • 114 Х 59 Х 14 mm
Weight
  • 168 g
  • 130 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 6.3" inch
  • 3.2" inch
Screen resolution
  • 1080 x 2340 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 150 MB
  • 270 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 2.2 (Froyo)
Chipset
  • Mediatek Helio P70 (12nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 30.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 83.9%
  • 45.3%
PPI /points per inch/
  • 409 PPI
  • 180 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 3.15 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 320p@14fps
Front camera, selfie
  • 25 MP
  • Single
  • 0 MP,
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Unknown
Performance
Performance — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • 800 MHz ARMv6
Graphics processor GPU
  • Mali-G72 MP3
Unknown
General specs
General specs — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
Release date
  • 2018
  • November
  • 2011
  • June
Colors
  • Ambitious Black
  • Brave Blue
  • Fiery Gold
  • Black/Red
  • Black/Green
  • Lunar Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 170 EUR
Battery life Unknown
  • Stand by time- Up to 364 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.47 W/kg (head) 1.05 W/kg (body) SAR EU - 0.19 W/kg (head)
Music and Audio
Music and Audio — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Realme U1, Gravity SMART.
SpecificationRealme U1Gravity SMART
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/2A 10W
  • Sensors Accelerometer
  • proximity - MP4/H.264 player -MP3/WAV/AAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo -Predictive text input (Swype) - For T-Mobile. Also known as Samsung Gravity Touch 2
  • Samsung Smart
  • Samsung GT2
  • Samsung SGH-T589
  • Samsung Galaxy Q