Nokia 6121 classic vs Xiaomi Redmi Note 9S

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.

  • Weight

    6121 classic: 120 g lighter

    6121 classic:
    89 g
    Redmi Note 9S:
    209 g
  • Width

    6121 classic: 30.7 mm narrower

    6121 classic:
    46 mm
    Redmi Note 9S:
    76.7 mm
  • Screen diagonal

    6121 classic: 4.67 in smaller diagonal

    6121 classic:
    2 in
    Redmi Note 9S:
    6.67 in
  • Rear camera layout

    6121 classic:
    Single
    Redmi Note 9S:
    Quad
  • Depth

    Redmi Note 9S: 6.2 mm thinner

    6121 classic:
    15 mm
    Redmi Note 9S:
    8.8 mm
  • Height

    6121 classic: 60.8 mm shorter

    6121 classic:
    105 mm
    Redmi Note 9S:
    165.8 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. 6121 classic

    Height:
    105 mm
    Width:
    46 mm
    Depth:
    15 mm +6.2 mm versus Redmi Note 9S
  2. 2. Redmi Note 9S

    Height:
    165.8 mm +60.8 mm versus 6121 classic
    Width:
    76.7 mm +30.7 mm versus 6121 classic
    Depth:
    8.8 mm

Weight

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

  1. 1. 6121 classic

    89 g

  2. 2. Redmi Note 9S

    209 g

    +120 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. Redmi Note 9S

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Redmi Note 9S has approximately 767.1% 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, Redmi Note 9S, compared at the same storage capacity.
Storage6121 classicRedmi Note 9S
64 GB Unknown 4 GB RAM
128 GB Unknown 6 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. Redmi Note 9S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. 6121 classic

    890 mAh

  2. 2. Redmi Note 9S

    5020 mAh

    +4130 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. Redmi Note 9S

Everyday essentials
Everyday essentials — specifications for 6121 classic, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
Dimensions (HxWxD)
  • 105 Х 46 Х 15 mm
  • 165.8 Х 76.7 Х 8.8 mm
Weight
  • 89 g
  • 209 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2" inch
  • 6.67" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2400 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
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 890 mAh
  • Removable Li-Ion
  • 5020 mAh
  • Non-removable Li-Po
Operating system OS
  • Symbian 9.2
  • S60 rel. 3.1
  • Android 10.0; MIUI 11
Chipset Unknown
  • Qualcomm SM7125 Snapdragon 720G (8 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 6121 classic, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 12.4 cm2
  • 107.4 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 25.6%
  • 84.5%
PPI /points per inch/
  • 200 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for 6121 classic, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 2 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -5 MP
  • f/2.4
  • (macro)
  • 1.12µm -2 MP
  • (depth)
Functions
  • LED flash
  • HDR
  • panorama
Video
  • 320p
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA videocall camera
  • 16 MP
  • f/2.5
  • (wide)
  • 1.0µm
Performance
Performance — specifications for 6121 classic, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU Unknown
  • Adreno 618
General specs
General specs — specifications for 6121 classic, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
Release date
  • 2007
  • June
  • 2020
  • March 23
Colors
  • Black
  • Pearl White
  • Pink
  • Sand Gold
  • Aurora Blue
  • Glacier white
  • Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • $ 199
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 (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for 6121 classic, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • 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
  • GALILEO
  • BDS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector
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, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
Radio
  • Stereo FM radio
  • FM radio
  • recording
Others
  • Downloadable wallpapers
  • screensavers
  • 450 nits typ. brightness (advertised)
Other features
Other features — specifications for 6121 classic, Redmi Note 9S.
Specification6121 classicRedmi Note 9S
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 (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast charging 18W - Splash-proof