Nokia 6121 classic vs Oppo Ace2: specs comparison

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: 97 g lighter

6121 classic:

89 g

Ace2:

186 g
Width

6121 classic: 29.4 mm narrower

6121 classic:

46 mm

Ace2:

75.4 mm
Screen diagonal

6121 classic: 4.55 in smaller diagonal

6121 classic:

2 in

Ace2:

6.55 in
Rear camera layout

6121 classic:

Single

Ace2:

Quad
Depth

Ace2: 6.4 mm thinner

6121 classic:

15 mm

Ace2:

8.6 mm
Height

6121 classic: 55 mm shorter

6121 classic:

105 mm

Ace2:

160 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. 6121 classic

Height:

105 mm
Width:

46 mm
Depth:

15 mm +6.4 mm versus Ace2
2. Ace2

Height:

160 mm +55 mm versus 6121 classic
Width:

75.4 mm +29.4 mm versus 6121 classic
Depth:

8.6 mm

Weight

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

1. 6121 classic

89 g
2. Ace2

186 g

+97 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. 6121 classic

Screen diagonal:

2 in

Aspect ratio (height:width):

4:3

Approximate rectangular screen area:

12.4 cm²
2. Ace2

Screen diagonal:

6.55 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

103.6 cm²

Ace2 has approximately 736.2% 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, Ace2, compared at the same storage capacity.
Storage	6121 classic	Ace2
128 GB	Unknown	8 GB RAM
256 GB	Unknown	8 / 12 GB RAM Alternative RAM configurations

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. Ace2

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

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. 6121 classic

890 mAh
2. Ace2

4000 mAh

+3110 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. Ace2

Everyday essentials

Everyday essentials — specifications for 6121 classic, Ace2.
Specification	6121 classic	Ace2
Dimensions (HxWxD)	105 Х 46 Х 15 mm	160 Х 75.4 Х 8.6 mm
Weight	89 g	186 g
Technology	TFT	AMOLED
Screen size	2" inch	6.55" 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	128GB 8GB RAM 256GB 8GB RAM 256GB 12GB RAM
Memory card support	microSD up to 8 GB (dedicated slot)	No
Battery Capacity is not battery life. No endurance test is implied.	890 mAh Removable Li-Ion	4000 mAh Non-removable Li-Po
Operating system OS	Symbian 9.2 S60 rel. 3.1	Android 10.0; ColorOS 7.1
Chipset	Unknown	Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC	Unknown	Yes
Headphone jack	No	No

Display

Display — specifications for 6121 classic, Ace2.
Specification	6121 classic	Ace2
Touchscreen	Unknown	capacitive touchscreen
Display colors	16M	16M
Screen area	12.4 cm2	103.6 cm2
Screen format	4:3 (height:width)	20:9 (height:width)
Screen to body ratio	25.6%	85.9%
PPI /points per inch/	200 PPI	402 PPI
Screen protection	Unknown	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for 6121 classic, Ace2.
Specification	6121 classic	Ace2
Rear camera, main	2 MP Single	48 MP Quad
Camera specs	2 MP	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	LED flash	HDR
Video	320p	1080p@30fps
Front camera, selfie	0.3 MP Single	16 MP Single
Specifications	VGA videocall camera	16 MP f/2.4 29mm (wide) 1/3.1'' 1.0µm

Performance

Performance — specifications for 6121 classic, Ace2.
Specification	6121 classic	Ace2
Processor CPU	369 MHz ARM 11	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU	Unknown	Adreno 650

General specs

General specs — specifications for 6121 classic, Ace2.
Specification	6121 classic	Ace2
Release date	2007 June	2020 April 13
Colors	Black Pearl White Pink Sand Gold	Aurora Silver Moon Rock Grey Fantasy Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	180 EUR	520 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 (Gorilla Glass 5) glass back (Gorilla Glass 5) aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for 6121 classic, Ace2.
Specification	6121 classic	Ace2
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 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 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/ax dual-band Wi-Fi Direct hotspot
GPS	No	Yes with dual-band A-GPS GLONASS BDS GALILEO QZSS
USB	miniUSB	2.0 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	2.0 A2DP	5.1 A2DP LE aptX HD
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, Ace2.
Specification	6121 classic	Ace2
Radio	Stereo FM radio	Unknown
Others	Downloadable wallpapers screensavers	500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate

Other features

Other features — specifications for 6121 classic, Ace2.
Specification	6121 classic	Ace2
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 (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

Nokia 6121 classic vs Oppo Ace2