Screen size
5310 (2024)Winner: 2.8"+29%
6121 classic2.0"
Quick verdict
5310 (2024) leads the measured specs 6-3.
Measured wins
5310 (2024)
6
spec wins
Overall winner
Ties
3
equal specs
6121 classic
3
spec wins
Screen size
Technology
5310 (2024)
GSM
6121 classic
GSM / HSPA
2G bands
5310 (2024)
GSM 900 / 1800
6121 classic
GSM 850 / 900 / 1800 / 1900
Speed
5310 (2024)
No
6121 classic
HSPA 3.6/0.384 Mbps
GPRS
5310 (2024)
Yes
6121 classic
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
-
EDGE
5310 (2024)
Yes
6121 classic
-
3G bands
5310 (2024)
-
6121 classic
HSDPA 900 / 2100
Announced
5310 (2024)
2024, April 11
6121 classic
2007, June. Released 2008, February
Status
5310 (2024)
Available. Released 2024, April 26
6121 classic
Discontinued
Dimensions
5310 (2024)
132 x 57 x 13.1 mm (5.20 x 2.24 x 0.52 in)
6121 classic
105 x 46 x 15 mm, 66 cc (4.13 x 1.81 x 0.59 in)
Weight
5310 (2024)
-
6121 classic
89 g (3.14 oz)
SIM
5310 (2024)
· Nano-SIM· Nano-SIM + Nano-SIM
6121 classic
Mini-SIM
Other
5310 (2024)
Dedicated hardware music keys
6121 classic
-
Type
5310 (2024)
IPS LCD
6121 classic
TFT, 16M colors
Size
5310 (2024)
2.8 inches, 24.3 cm2 (~32.3% screen-to-body ratio)
6121 classic
2.0 inches, 12.4 cm2 (~25.6% screen-to-body ratio)
Resolution
5310 (2024)
240 x 320 pixels, 4:3 ratio (~143 ppi density)
6121 classic
240 x 320 pixels, 4:3 ratio (~200 ppi density)
Other
5310 (2024)
-
6121 classic
Downloadable wallpapers, screensavers
Chipset
5310 (2024)
Unisoc 6531F
6121 classic
-
OS
5310 (2024)
-
6121 classic
Symbian 9.2, S60 rel. 3.1
CPU
5310 (2024)
-
6121 classic
369 MHz ARM 11
Card slot
5310 (2024)
microSDHC
6121 classic
microSDHC (dedicated slot)
Phonebook
5310 (2024)
Yes
6121 classic
-
Call records
5310 (2024)
Yes
6121 classic
-
Internal
5310 (2024)
16MB 8MB RAM
6121 classic
32MB 64MB RAM 128MB ROM
Single
5310 (2024)
VGA
6121 classic
2 MP
Features
5310 (2024)
LED flash
6121 classic
LED flash
Video
5310 (2024)
Yes
6121 classic
320p
Other
5310 (2024)
No
6121 classic
-
Single
5310 (2024)
-
6121 classic
VGA videocall camera
Video
5310 (2024)
-
6121 classic
Loudspeaker
5310 (2024)
Yes, with dual speakers
6121 classic
Yes
3.5mm jack
5310 (2024)
Yes
6121 classic
No
Alert types
5310 (2024)
-
6121 classic
Vibration; Downloadable polyphonic, MP3, AAC ringtones
WLAN
5310 (2024)
No
6121 classic
No
Bluetooth
5310 (2024)
5.0, A2DP, LE
6121 classic
2.0, A2DP
Positioning
5310 (2024)
No
6121 classic
No
NFC
5310 (2024)
No
6121 classic
-
Radio
5310 (2024)
Wireless FM radio
6121 classic
Stereo FM radio
USB
5310 (2024)
USB Type-C
6121 classic
miniUSB
Sensors
5310 (2024)
6121 classic
Messaging
5310 (2024)
SMS, MMS, Email, IM
6121 classic
-
Games
5310 (2024)
Yes
6121 classic
-
Java
5310 (2024)
No
6121 classic
-
Other
5310 (2024)
MP3 player
6121 classic
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
Browser
5310 (2024)
-
6121 classic
WAP 2.0/xHTML
Type
5310 (2024)
Li-Ion 1450 mAh, removable
6121 classic
Removable Li-Ion 890 mAh battery (BL-5B)
Stand-by
5310 (2024)
-
6121 classic
Up to 250 h (2G) / 240 h (3G)
Talk time
5310 (2024)
-
6121 classic
Up to 3 h (2G) / 2 h 24 min (3G)
Colors
5310 (2024)
White/Red, Black/Red
6121 classic
Black, Pearl White, Pink, Sand Gold
Price
5310 (2024)
About 60 EUR
6121 classic
About 180 EUR
SAR
5310 (2024)
-
6121 classic
1.22 W/kg (head) 1.13 W/kg (body)
SAR EU
5310 (2024)
-
6121 classic
1.18 W/kg (head)