Compare Nokia – N75 vs Nokia – N81 Specifications

N75 N81
Brand
Nokia Nokia
Model
N75 N81
Released
2007 May 31 2007 Oct 22
Hardware Designer
Nokia Nokia
Manufacturer
Nokia Nokia
OEM ID
RM-128 N/A
Device Category
Smartphone Smartphone
List of Additional Features
4 dedicated multimedia buttons Nokia Navi Wheel, 4 dedicated multimedia buttons
N75 N81
Width
52 mm
2.05 inch 		50 mm
1.97 inch
Height
95 mm
3.74 inch 		102 mm
4.02 inch
Depth
20 mm
0.79 inches 		17.9 mm
0.7 inches
Bounding Volume
98.8 ccm 91.3 ccm
Mass
123 g
4.34 ounces 		140 g
4.94 ounces
N75 N81
Platform
Symbian Symbian
Operating System
Symbian OS 9.1 Series 60 3rd Edition Symbian OS 9.2 Series 60 3rd Edition, Feature Pack 1
Operating System Kernel Version
9.1u 9.2
N75 N81
CPU Clock
220 MHz 369 MHz
CPU
Texas Instruments OMAP 1710
2,004
32 bit
single-core
32 Kbyte I-Cache
16 Kbyte D-Cache 		Nokia Rapido
2,007
32 bit
single-core
RAM Type
SDRAM SDRAM
RAM Capacity
64 MiB RAM
17 MiB user accessible RAM 		96 MiB RAM
42 MiB user accessible RAM
Non-volatile Memory Type
Flash EEPROM Flash EEPROM
Non-volatile Memory Interface
Yes Yes
Non-volatile Memory Capacity
128 MiB non-volatile
40 MiB free user storage 		128 MiB non-volatile
12 MiB free user storage
N75 N81
Display Diagonal
61 mm
2.4 inch 		61 mm
2.4 inch
Resolution
240x320
76800 pixels 		240x320
76800 pixels
Display Width
36.6 mm
1.44 inch 		36.6 mm
1.44 inch
Display Height
48.8 mm
1.92 inch 		48.8 mm
1.92 inch
Horizontal Full Bezel Width
15.4 mm 13.4 mm
Display Area
1786.1 square millimeter 1786.1 square millimeter
Display Area Utilization
36.2% 35.0%
Pixel Size
0.1525 mm/pixel 0.1525 mm/pixel
Pixel Density
167 PPI 167 PPI
Display Type
Color TN-TFT LCD display Color TN-TFT LCD display
Display Color Depth
24 bit/pixel 24 bit/pixel
Number of Display Scales
16.8M 16.8M
Display Illumination
Yes Yes
Display Light Reflection Mode
transflective transflective
Display Subpixel Scheme
RGB Matrix (3 subpixels) RGB Matrix (3 subpixels)
Scratch Resistant Screen
No No
Secondary Display Diagonal:
34.5 mm
1.4 inch 		N/A
Secondary Display Resolution
160x128 N/A
Secondary Number of pixels:
20480 pixels N/A
Secondary Horizontal Display Size:
26.94 mm N/A
Secondary Horizontal Display Size :
1.06 inch N/A
Secondary Vertical Display Size:
0.85 inches N/A
Secondary Display Area:
580.6 square millimeter N/A
Secondary Display Pixel Size:
0.16837 mm/pixel N/A
Secondary Display Pixel Density (dot pitch):
151 PPI N/A
Secondary Display Type:
Color TN-TFT LCD 2nd display N/A
Secondary Display Color Depth:
16 bit/pixel N/A
Secondary Number of Display Colors/Scales:
65,536 N/A
Secondary Display Illumination:
Yes N/A
Secondary Display Light Reflection Mode:
transflective N/A
Secondary Display Subpixel Scheme:
RGB Matrix (3 subpixels) N/A
Graphical Controller
N/A N/A
A/V Out
No No
N75 N81
Audio Channel(s)
stereo stereo
A/D Sampling Frequency
48000 Hz N/A
Microphone(s)
mono mono
D/A Converter Nominal Resolution
16 bit quantization 16 bit quantization
D/A Holding Frequency
48000 Hz 48000 Hz
Loudspeaker(s):
stereo stereo
Audio Output:
Proprietary 3.5mm
N75 N81
Supported Cellular Bands
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 1900MHz (Band II, PCS)
UMTS 850MHz (Band V, CLR) bands 		GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT) bands
Supported Cellular Data Links
CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Multi-slot Class 11
EDGE (Class unspecified)
EDGE Multi-slot Class 11
UMTS 384 kbps (W-CDMA) data links 		CSD 9.6 kbps
HSCSD 57.6 kbps
GPRS (Class unspecified)
GPRS Multi-slot Class 32
EDGE (Class unspecified)
EDGE Multi-slot Class 32
UMTS 384 kbps (W-CDMA) data links
SIM Card Slot
Mini-SIM (2FF) Mini-SIM (2FF)
Cellular Antenna
Internal antenna Internal antenna
Call Alert Sound
64-chord melody 64-chord melody
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone 		Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
Cellular Controller
TI TMS320C55x N/A
Sec. Supported Cellular Networks:
No No
N75 N81
Keyboard
Built-in numeric Slide-out numeric
Keyboard Backlight
Aut. keyboard backlight (upon press of key) Aut. keyboard backlight (upon press of key)
Number of keys
20 12
Directional Pad
Four-way (with action button)-way Four-way (with action button)-way
N75 N81
Expansion Interfaces
TransFlash
microSD 		TransFlash
microSD
microSDHC
USB
USB 2.0
USB Full-Speed (12 Mbps) 		USB 2.0
USB Full-Speed (12 Mbps)
USB Connector
Proprietary USB Series Micro-B (Micro-USB)
Bluetooth
Bluetooth 2.0
Internal antenna 		Bluetooth 2.0
Internal antenna
Wireless LAN
No IEEE 802.11b, IEEE 802.11g, Internal antenna
IR
IrDA 1.2
115200bit/s (SIR/CIR) 		N/A
N75 N81
FM Radio Receiver
FM radio (88-108 MHz)
Proprietary headset as antenna 		FM radio (88-108 MHz)
Proprietary headset as antenna
N75 N81
Supported GPS protocol(s)
No No
N75 N81
Camera Placement
Rear Rear
Camera Image Sensor
CMOS CMOS
Camera Resolution
1600x1200 pixel 1600x1200 pixel
Number of effective pixels
1.9 MP camera 1.9 MP camera
Focus
No No
Recordable Image Formats
JPG JPG
Video Recording
352x288 pixel
15 fps 		320x240 pixel
15 fps
Recordable Video Formats
3GP
MPEG4 		3GP
MPEG4
Flash
single LED single LED
Aux. Camera Image Sensor
No No
Aux. 2 Camera Image Sensor
No No
Aux. 3 Camera Image Sensor
No No
Aux. 4 Camera Image Sensor
No No
Aux. 4 Camera Focus
No No
N75 N81
Secondary Camera Sensor
No CMOS
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
N75 N81
Built-in accelerometer
No No
N75 N81
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
N75 N81
Battery
Lithium-ion
removable
1-cell 		Lithium-ion polymer (LiPo)
removable
1-cell
Nominal Cell Capacity (1st cell)
800 mAh cell 1050 mAh cell
Nominal Battery Capacity
800 mAh battery 1050 mAh battery
Estimated Battery Life
9.0 hours 11.0 hours
Estimated Average Current
89 mA 95 mA
N75 N81

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