Nokia 6121 classic vs Oppo A12

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

    6121 classic: 76 g lighter

    6121 classic:
    89 g
    A12:
    165 g
  • Width

    6121 classic: 29.5 mm narrower

    6121 classic:
    46 mm
    A12:
    75.5 mm
  • Screen diagonal

    6121 classic: 4.22 in smaller diagonal

    6121 classic:
    2 in
    A12:
    6.22 in
  • Rear camera layout

    6121 classic:
    Single
    A12:
    Dual
  • Depth

    A12: 6.7 mm thinner

    6121 classic:
    15 mm
    A12:
    8.3 mm
  • Height

    6121 classic: 50.9 mm shorter

    6121 classic:
    105 mm
    A12:
    155.9 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.

  1. 1. 6121 classic

    Height:
    105 mm
    Width:
    46 mm
    Depth:
    15 mm +6.7 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +50.9 mm versus 6121 classic
    Width:
    75.5 mm +29.5 mm versus 6121 classic
    Depth:
    8.3 mm

Weight

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

  1. 1. 6121 classic

    89 g

  2. 2. A12

    165 g

    +76 g versus 6121 classic

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. 6121 classic

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 679.6% more rectangular screen area than 6121 classic.

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 6121 classic, A12, compared at the same storage capacity.
Storage6121 classicA12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
6121 classic: Original memory entry

32 MB · 64 MB RAM · 128 MB ROM

Practical features

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

1. 6121 classic

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. 6121 classic

    890 mAh

  2. 2. A12

    4230 mAh

    +3340 mAh versus 6121 classic

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. 6121 classic2. A12

Everyday essentials
Everyday essentials — specifications for 6121 classic, A12.
Specification6121 classicA12
Dimensions (HxWxD)
  • 105 Х 46 Х 15 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 89 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 6.22" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 64 MB RAM
  • 128 MB ROM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 890 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 9.2
  • S60 rel. 3.1
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 6121 classic, A12.
Specification6121 classicA12
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 96.6 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 25.6%
  • 82.0%
PPI /points per inch/
  • 200 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for 6121 classic, A12.
Specification6121 classicA12
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 2 MP
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • 320p
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA videocall camera
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for 6121 classic, A12.
Specification6121 classicA12
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
General specs
General specs — specifications for 6121 classic, A12.
Specification6121 classicA12
Release date
  • 2007
  • June
  • 2020
  • April 20
Colors
  • Black
  • Pearl White
  • Pink
  • Sand Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 250 h (2G) / 240 h (3G) Talking time- Up to 3 h (2G) / 2 h 24 min (3G)
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for 6121 classic, A12.
Specification6121 classicA12
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • 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)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA
  • LTE-A
GPRS
  • Class 32
  • Yes
Edge
  • Class 32
  • 296 / 177.6 kbits
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.22 W/kg (head) 1.13 W/kg (body) SAR EU - 1.18 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 6121 classic, A12.
Specification6121 classicA12
Radio
  • Stereo FM radio
  • FM radio
Others
  • Downloadable wallpapers
  • screensavers
  • 450 nits typ. brightness
Other features
Other features — specifications for 6121 classic, A12.
Specification6121 classicA12
Dop
  • Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Voice memo/dial -Predictive text input -Organizer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass