Oppo R1001 Joy vs Yezz Epic T

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

    R1001 Joy: 344 g lighter

    R1001 Joy:
    125 g
    Epic T:
    469 g
  • Width

    R1001 Joy: 23.5 mm narrower

    R1001 Joy:
    63 mm
    Epic T:
    86.5 mm
  • Screen diagonal

    R1001 Joy: 1.5 in smaller diagonal

    R1001 Joy:
    4 in
    Epic T:
    5.5 in
  • Chipset

    R1001 Joy:
    Mediatek MT6572 (28 nm)
    Epic T:
    Mediatek MT6750 (28 nm)
  • Depth

    R1001 Joy: 6 mm thinner

    R1001 Joy:
    9.9 mm
    Epic T:
    15.9 mm
  • Height

    R1001 Joy: 44.8 mm shorter

    R1001 Joy:
    124 mm
    Epic T:
    168.8 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. R1001 Joy

    Height:
    124 mm
    Width:
    63 mm
    Depth:
    9.9 mm
  2. 2. Epic T

    Height:
    168.8 mm +44.8 mm versus R1001 Joy
    Width:
    86.5 mm +23.5 mm versus R1001 Joy
    Depth:
    15.9 mm +6 mm versus R1001 Joy

Weight

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

  1. 1. R1001 Joy

    125 g

  2. 2. Epic T

    469 g

    +344 g versus R1001 Joy

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. R1001 Joy

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Epic T

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

Epic T has approximately 83.1% more rectangular screen area than R1001 Joy.

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 R1001 Joy, Epic T, compared at the same storage capacity.
StorageR1001 JoyEpic T
32 GB Unknown 3 GB RAM
R1001 Joy: Original memory entry

4 GB · 512 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. R1001 Joy

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

2. Epic T

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

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. R1001 Joy

    1700 mAh

  2. 2. Epic T

    9000 mAh

    +7300 mAh versus R1001 Joy

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. R1001 Joy2. Epic T

Everyday essentials
Everyday essentials — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
Dimensions (HxWxD)
  • 124 Х 63 Х 9.9 mm
  • 168.8 Х 86.5 Х 15.9 mm
Weight
  • 125 g
  • 469 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Ion
  • 9000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.1 (Jelly Bean)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6572 (28 nm)
  • Mediatek MT6750 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
  • 57.1%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • 16 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@60fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
Performance

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

Performance — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Mali-T860MP2
Antutu 7 score * Unknown
  • 38602
General specs
General specs — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
Release date
  • 2014
  • May
  • 2018
  • March
Colors
  • White
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 7 h
  • Stand by time- Up to 650 h (3G) Talking time- Up to 30 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
SIM card
  • Dual SIM (Mini-SIM/ Micro-SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 7(2600)
  • 17(700)
  • 28(700)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for R1001 Joy, Epic T.
SpecificationR1001 JoyEpic T
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant -Flashlight