Microsoft Lumia 950 vs Nokia 6121 classic: 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: 61 g lighter

Lumia 950:

150 g

6121 classic:

89 g
Width

6121 classic: 27.2 mm narrower

Lumia 950:

73.2 mm

6121 classic:

46 mm
Screen diagonal

6121 classic: 3.2 in smaller diagonal

Lumia 950:

5.2 in

6121 classic:

2 in
Depth

Lumia 950: 6.8 mm thinner

Lumia 950:

8.2 mm

6121 classic:

15 mm
Height

6121 classic: 40 mm shorter

Lumia 950:

145 mm

6121 classic:

105 mm
Release year

Lumia 950:

2015

6121 classic:

2007

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. Lumia 950

Height:

145 mm +40 mm versus 6121 classic
Width:

73.2 mm +27.2 mm versus 6121 classic
Depth:

8.2 mm
2. 6121 classic

Height:

105 mm
Width:

46 mm
Depth:

15 mm +6.8 mm versus Lumia 950

Weight

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

1. Lumia 950

150 g

+61 g versus 6121 classic
2. 6121 classic

89 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.

1. Lumia 950

Screen diagonal:

5.2 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

74.5 cm²
2. 6121 classic

Screen diagonal:

2 in

Aspect ratio (height:width):

4:3

Approximate rectangular screen area:

12.4 cm²

Lumia 950 has approximately 501.8% 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 Lumia 950, 6121 classic, compared at the same storage capacity.
Storage	Lumia 950	6121 classic
32 GB	3 GB RAM	Unknown

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. Lumia 950

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (dedicated slot)

2. 6121 classic

NFC:: Unknown
Headphone jack:: No
Memory card support:: See details microSD · up to 8 GB (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. Lumia 950

3000 mAh

+2110 mAh versus 6121 classic
2. 6121 classic

890 mAh

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. Lumia 9502. 6121 classic

Everyday essentials

Everyday essentials — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
Dimensions (HxWxD)	145 Х 73.2 Х 8.2 mm	105 Х 46 Х 15 mm
Weight	150 g	89 g
Technology	AMOLED	TFT
Screen size	5.2" inch	2" inch
Screen resolution	1440 x 2560 px	240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 3 GB RAM	32 MB 64 MB RAM 128 MB ROM
Memory card support	microSD up to 256 GB (dedicated slot)	microSD up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	3000 mAh Removable Li-Ion	890 mAh Removable Li-Ion
Operating system OS	Microsoft Windows 10	Symbian 9.2 S60 rel. 3.1
Chipset	Qualcomm MSM8992 Snapdragon 808 (20 nm)	Unknown
NFC	Yes	Unknown
Headphone jack	Yes	No

Display

Display — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
Touchscreen	capacitive touchscreen	Unknown
Display colors	16M	16M
Screen area	74.8 cm2	12.4 cm2
Screen format	16:9 (height:width)	4:3 (height:width)
Screen to body ratio	70.5%	25.6%
PPI /points per inch/	564 PPI	200 PPI
Screen protection	Corning Gorilla Glass 3	Unknown

Camera and Video

Camera and Video — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
Rear camera, main	20 MP Single	2 MP Single
Camera specs	20 MP f/1.9 26mm (wide) 1/2.4'' 1.12µm OIS AF	2 MP
Functions	Zeiss optics triple-LED RGB flash panorama HDR	LED flash
Video	1080p@30fps	320p
Front camera, selfie	5 MP Single	0.3 MP Single
Specifications	5 MP f/2.4	VGA videocall camera

Performance

Performance — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
Processor CPU	Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)	369 MHz ARM 11
Graphics processor GPU	Adreno 418	Unknown

General specs

General specs — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
Release date	2015 October	2007 June
Colors	Black White	Black Pearl White Pink Sand Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	280 EUR	180 EUR
Battery life	Stand by time- Up to 288 h (2G) / Up to 288 h (3G) Talking time- Up to 23 h (2G) / Up to 18 h (3G) Music play - Up to 67 h	Stand by time- Up to 250 h (2G) / 240 h (3G) Talking time- Up to 3 h (2G) / 2 h 24 min (3G)

Communication and Connectivity

Communication and Connectivity — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
SIM card	Nano-SIM	Mini-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -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) 12(700) 17(700) 20(800) 28(700) 38(2600) 40(2300) - EMEA LTE band 1(2100) 40(2300) 41(2500) - USA	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed	HSPA 42.2/5.76 Mbps LTE-A Cat6 300/50 Mbps	HSPA 3.6/0.384 Mbps
GPRS	Yes	Class 32
Edge	Yes	Class 32 296 / 177.6 kbits
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band hotspot	No
GPS	Yes with A-GPS GLONASS BDS	No
USB	3.1 Type-C 1.0 reversible connector	miniUSB
Bluetooth	4.1 A2DP	2.0 A2DP
Harmful irradiation	Unknown	SAR - 1.22 W/kg (head) 1.13 W/kg (body) SAR EU - 1.18 W/kg (head)

Music and Audio

Music and Audio — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
Radio	FM radio	Stereo FM radio
Others	ClearBlack display Active noise cancellation with dedicated mic	Downloadable wallpapers screensavers

Other features

Other features — specifications for Lumia 950, 6121 classic.
Specification	Lumia 950	6121 classic
Dop	Sensors Iris scanner accelerometer gyro proximity compass barometer sensor core - Microsoft Continuum support -Qi wireless charging (market dependent) -Fast charging	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

Microsoft Lumia 950 vs Nokia 6121 classic