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

HTC One A9 vs Oppo Ace2

Compare recorded specifications, size and practical differences.

HTC One A9

HTC One A9

Replace One A9
Remove One A9
Oppo Ace2

Oppo Ace2

Replace Ace2
Remove Ace2
+ 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.

  • WeightOne A9: 43 g lighterOne A9: 143 g · Ace2: 186 g
  • WidthOne A9: 4.6 mm narrowerOne A9: 70.8 mm · Ace2: 75.4 mm
  • Screen diagonalOne A9: 1.55 in smaller diagonalOne A9: 5 in · Ace2: 6.55 in
  • ChipsetQualcomm MSM8952 Snapdragon 617 (28 nm) / Qualcomm SM8250 Snapdragon 865 (7 nm+)One A9: Qualcomm MSM8952 Snapdragon 617 (28 nm) · Ace2: Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Rear camera layoutSingle / QuadOne A9: Single · Ace2: Quad
  • DepthOne A9: 1.3 mm thinnerOne A9: 7.3 mm · Ace2: 8.6 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
One A9: 145.8 × 70.8 mm 1 Ace2: 160 × 75.4 mm 2
Side
One A9: 145.8 × 7.3 mm 1 Ace2: 160 × 8.6 mm 2
  1. 1. One A9
    Height
    145.8 mm
    Width
    70.8 mm
    Depth
    7.3 mm
    Weight
    143 g
  2. 2. Ace2
    Height
    160 mm
    Width
    75.4 mm
    Depth
    8.6 mm
    Weight
    186 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationOne A9Ace2
Dimensions (HxWxD)
  • 145.8 Х 70.8 Х 7.3 mm
  • 160 Х 75.4 Х 8.6 mm
Weight
  • 143 g
  • 186 g
Technology
  • AMOLED
  • AMOLED
Screen size
  • 5" inch
  • 6.55" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2400 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM32 GB
  • 3 GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
BatteryCapacity is not battery life. No endurance test is implied.
  • 2150 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); Sense UI
  • Android 10.0; ColorOS 7.1
Chipset
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC
  • Yes (payments only)
  • Yes
Headphone jack
  • Yes
  • No
Display
Display
SpecificationOne A9Ace2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 103.6 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 66.8%
  • 85.9%
PPI /points per inch/
  • 441 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video
SpecificationOne A9Ace2
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • f/2.0
  • OIS
  • AF
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm
  • AF -2 MP B/W
  • (depth) -2 MP
  • (depth)
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 4 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
Performance
Performance
SpecificationOne A9Ace2
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU
  • Adreno 405
  • Adreno 650
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 35247
Unknown
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 692
Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 3049
Unknown
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 2110
Unknown
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 128
Unknown
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 663
Unknown
General specs
General specs
SpecificationOne A9Ace2
Release date
  • 2015
  • September
  • 2020
  • April 13
Colors
  • Carbon Gray
  • Opal Silver
  • Topaz Gold
  • Deep Garnet
  • Pink
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 520 EUR
Battery life
  • Stand by time- Up to 432 h (3G) Talking time- Up to 16 h (3G) Music play - Up to 60 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity
SpecificationOne A9Ace2
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Americas HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 13(700)
  • 17(700)
  • 29(700) - Americas LTE band 1(2100)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - EMEA/ Asia
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G band 1(2100)
  • 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - China
Speed
  • HSPA
  • LTE-A Cat7 (2CA) 300/100 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • aptX
  • 5.1
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR EU - 0.41 W/kg (head)
Unknown
Music and Audio
Music and Audio
SpecificationOne A9Ace2
Radio
  • FM radio
Unknown
Others
  • 24-bit/192kHz audio -Dolby audio enhancement -Active noise cancellation with dedicated mic
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
Other features
Other features
SpecificationOne A9Ace2
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 65W
  • 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W
  • 100% in 56 min (advertised) -Wireless reverse charging 10W