Oppo Reno Ace vs Xiaomi Redmi S2

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.

  • Display technology

    OLED versus LCD

    Reno Ace:
    OLED
    Redmi S2:
    LCD
  • Weight

    Redmi S2: 30 g lighter

    Reno Ace:
    200 g
    Redmi S2:
    170 g
  • Width

    Reno Ace: 1.6 mm narrower

    Reno Ace:
    75.7 mm
    Redmi S2:
    77.3 mm
  • Screen diagonal

    Redmi S2: 0.51 in smaller diagonal

    Reno Ace:
    6.5 in
    Redmi S2:
    5.99 in
  • Chipset

    Reno Ace:
    Qualcomm SM8150 Snapdragon 855+ (7 nm)
    Redmi S2:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Rear camera layout

    Reno Ace:
    Quad
    Redmi S2:
    Dual

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. Reno Ace

    Height:
    161 mm
    Width:
    75.7 mm
    Depth:
    8.7 mm +0.6 mm versus Redmi S2
  2. 2. Redmi S2

    Height:
    160.7 mm
    Width:
    77.3 mm +1.6 mm versus Reno Ace
    Depth:
    8.1 mm

Weight

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

  1. 1. Reno Ace

    200 g

    +30 g versus Redmi S2

  2. 2. Redmi S2

    170 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. Reno Ace

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. Redmi S2

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Reno Ace has approximately 10.2% more rectangular screen area than Redmi S2.

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 Reno Ace, Redmi S2, compared at the same storage capacity.
StorageReno AceRedmi S2
128 GB 8 GB RAM Unknown
256 GB 8 / 12 GB RAM Alternative RAM configurations Unknown
Redmi S2: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB 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. Reno Ace

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

2. Redmi S2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. Reno Ace

    4000 mAh

    +920 mAh versus Redmi S2

  2. 2. Redmi S2

    3080 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. Reno Ace2. Redmi S2

Everyday essentials
Everyday essentials — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
Dimensions (HxWxD)
  • 161 Х 75.7 Х 8.7 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 200 g
  • 170 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.5" inch
  • 5.99" inch
Screen resolution
  • 1080 x 2400 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • planned upgrade to Android 10.0; ColorOS 6.1
  • Android 8.1 (Oreo); MIUI 10
Chipset
  • Qualcomm SM8150 Snapdragon 855+ (7 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
Touchscreen
  • capacitive touch
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 92.6 cm2
Screen format
  • 20:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 83.7%
  • 74.5%
PPI /points per inch/
  • 405 PPI
  • 269 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
Rear camera, main
  • 48 MP
  • Quad
  • 12 MP
  • Dual
Camera specs
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF
  • OIS -13MP
  • f/2.4
  • (telephoto)
  • 1/3.4"
  • 1.0µm
  • 2x optical zoom -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/3.2"
  • 1.4µm -2 MP B/W
  • 1/5"
  • 1.75µm
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions
  • HDR
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
  • 16 MP
Performance

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

Performance — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
Processor CPU
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 640 (700 MHz)
  • Adreno 506
Antutu 7 score * Unknown
  • 78926
GeekBench 4 Single Core * Unknown
  • 835
GeekBench 4 Multi-Core * Unknown
  • 4087
Antutu 8 score *
  • 465000
Unknown
GeekBench 5 Single Core * Unknown
  • 168
GeekBench 5 Multi-Core * Unknown
  • 985
General specs
General specs — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
Release date
  • 2019
  • October
  • 2018
  • May
Colors
  • Psychedelic Purple
  • Starry Blue
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 380 EUR
  • 150 EUR
Body build
  • Front glass (Gorilla Glass 6)
  • Back glass (Gorilla Glass 5)
  • aluminum frame
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
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 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
Radio
  • FM radio
  • FM radio
Others
  • 500 nits max brightness -HDR -90 Hz -DCI-P3 100%
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Reno Ace, Redmi S2.
SpecificationReno AceRedmi S2
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 65W: 100% in 30 min (SuperVOOC Flash Charge)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India