Nokia X2
#8019
Sony Ericsson K850
#9959Category Breakdown
Nokia X2
Sony Ericsson K850
Performance
24.624.2
Camera
11.311.7
Display
32.332.3
Battery
7.78.8
Build
15.10.2
Connectivity
11.214.4
Audio
87.68.9
Overall
16.611.0
Summary
- The Nokia X2 and Sony Ericsson K850 both feature a 2.2-inch TFT display with identical resolutions and pixel densities.
- In terms of build quality, the X2 is lighter at 81g compared to the K850's 118g, but the K850 is thicker at 17mm versus the X2's 13.3mm.
- Performance-wise, the X2 offers slightly more RAM at 64MB compared to the K850's 40MB, but both have limited storage.
- The cameras are similar with both having 5 MP sensors, but the K850 supports autofocus and captures video at 30fps, while the X2 records at 18fps.
- The K850 has a larger battery capacity of 930mAh compared to the X2's 860mAh, which may provide longer usage.
- Software experiences differ as the X2 has stereo speakers and a headphone jack, while the K850 lacks these features.
Side-by-side Specification Comparison
Nokia X2
Sony Ericsson K850
General
Release Date
2010
2007
Announced
2010
2007
Description
N/A
K850i HSDPA/850/900/1800/1900 MHzK858c 850/900/1800/1900 MHz for China Mainland
Display
Size
2.2"
2.2"
Type
TFT, 256K colors
TFT, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio (~182 ppi density)
240 x 320 pixels, 4:3 ratio (~182 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
48MB 128MB ROM 64MB RAM
40MB
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot), 2 GB included
Memory Stick Micro (M2); microSDHC (dedicated slot), 512 MB included
Camera
Main Camera
5 MP
5 MP, AF
Main Camera Features
LED flash
xenon flash and 3LED video light, auto lens cover
Front Camera
N/A
Videocall camera
Front Camera Features
N/A
N/A
Video Recording
320p@18fps
320p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
860 mAh
930 mAh
Battery Details
Removable Li-Ion 860 mAh battery (BL-4C)
Removable Li-Po 930 mAh battery (BST-38)
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
111 x 47 x 13.3 mm, 61 cc (4.37 x 1.85 x 0.52 in)
102 x 48 x 17 mm (4.02 x 1.89 x 0.67 in)
Weight
81 g
118 g
Materials
N/A
N/A
Colors
Red on Black, Blue on SIlver
Luminous Green, Velvet Blue, Quicksilver black
Foldable
✗
✗
SAR
1.28 W/kg (head) 0.89 W/kg (body)
1.50 W/kg (head) 1.56 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM / HSPA
Network Speed
N/A
HSPA 3.6/0.384 Mbps (K850i)
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
2.1, A2DP
2.0, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
Accelerometer