You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

Sharp Aquos R2 vs Xiaomi Redmi Note 4

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • WeightRedmi Note 4: 16 g lighterRedmi Note 4: 165 g · Aquos R2: 181 g
  • WidthAquos R2: 2 mm narrowerAquos R2: 74 mm · Redmi Note 4: 76 mm
  • Screen diagonalRedmi Note 4: 0.5 in smaller diagonalRedmi Note 4: 5.5 in · Aquos R2: 6 in
  • ChipsetQualcomm SDM845 Snapdragon 845 (10 nm) / Qualcomm MSM8953 Snapdragon 625 (14 nm)Aquos R2: Qualcomm SDM845 Snapdragon 845 (10 nm) · Redmi Note 4: Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Rear camera layoutDual / SingleAquos R2: Dual · Redmi Note 4: Single
  • DepthRedmi Note 4: 0.5 mm thinnerRedmi Note 4: 8.5 mm · Aquos R2: 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.

Front
Aquos R2: 156 × 74 mm 1 Redmi Note 4: 151 × 76 mm 2
Side
Aquos R2: 156 × 9 mm 1 Redmi Note 4: 151 × 8.5 mm 2
  1. 1. Aquos R2
    Height
    156 mm+5 mm versus Redmi Note 4
    Width
    74 mm
    Depth
    9 mm+0.5 mm versus Redmi Note 4
    Weight
    181 g
  2. 2. Redmi Note 4
    Height
    151 mm
    Width
    76 mm+2 mm versus Aquos R2
    Depth
    8.5 mm
    Weight
    165 g
Weight

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

  1. 1. Aquos R2181 g

    +16 g versus Redmi Note 4

  2. 2. Redmi Note 4165 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.

Screen size
Aquos R2: 6 in, 19:9, About 89.9 cm² rectangular area 1 Redmi Note 4: 5.5 in, 16:9, About 83.4 cm² rectangular area 2
  1. 1. Aquos R2 6 in · 19:9 About 89.9 cm² rectangular area
  2. 2. Redmi Note 4 5.5 in · 16:9 About 83.4 cm² rectangular area

Aquos R2 has approximately 7.8% more rectangular screen area than Redmi Note 4.

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.

Aquos R2: Original memory entry

64 GB · 512GB 4GB

Redmi Note 4: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM; 64 GB · 3 GB RAM (China only)

Practical features

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

1. Aquos R2

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 512 GB (uses SIM 2 slot)

2. Redmi Note 4

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 256 GB (uses SIM 2 slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. Aquos R23130 mAh
  2. 2. Redmi Note 44100 mAh

    +970 mAh versus Aquos R2

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. Aquos R22. Redmi Note 4

Everyday essentials
Everyday essentials
SpecificationAquos R2Redmi Note 4
Dimensions (HxWxD)
  • 156 Х 74 Х 9 mm
  • 151 Х 76 Х 8.5 mm
Weight
  • 181 g
  • 165 g
Technology
  • IGZO IPS LCD
  • IPS LCD
Screen size
  • 6" inch
  • 5.5" inch
Screen resolution
  • 1440 x 3040 px
  • 1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM; 64 GB
  • 3 GB RAM (China only)
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 3130 mAh
  • Non-removable Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.0 (Oreo)
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); MIUI 10
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationAquos R2Redmi Note 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 89.9 cm2
  • 83.4 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 77.8%
  • 72.7%
PPI /points per inch/
  • 561 PPI
  • 401 PPI
Camera and Video
Camera and Video
SpecificationAquos R2Redmi Note 4
Rear camera, main
  • 22.6 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 22.6 MP
  • PDAF -16.3 MP
  • PDAF (for video recording only)
  • 13 MP
  • f/2.0
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 2160p@30fps (dedicated video camera)
  • 1080p@30fps
Front camera, selfie
  • 16.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16.3 MP
  • 5 MP
  • f/2.0
Performance
Performance
SpecificationAquos R2Redmi Note 4
Processor CPU
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 630
  • Adreno 506
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 265822
  • 76000
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1475
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 4010
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 3151
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 102376
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 171
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 917
General specs
General specs
SpecificationAquos R2Redmi Note 4
Release date
  • 2018
  • May
  • 2017
  • January
Colors
  • Black
  • White
  • Dark Gray
  • Gold
  • Black
  • Lake Blue (64/4GB model)
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 150 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity
SpecificationAquos R2Redmi Note 4
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -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)
Speed
  • HSPA
  • LTE
  • 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
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio
SpecificationAquos R2Redmi Note 4
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features
SpecificationAquos R2Redmi Note 4
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IPX5/IPX8/IP6X
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For Global market. Also known as Xiaomi Redmi Note 4x Global.