Product comparison · 2 mp3/mp4 players

Philips GoGear SA2945 vs Philips GoGear SA4427

56specifications compared
10differ
46identical
13known for one product only

Key differences

The Philips GoGear SA2945 has 2 GB more total storage capacity than the Philips GoGear SA4427 (4 GB vs 2 GB). The Philips GoGear SA2945 has 2 lines more display lines than the Philips GoGear SA4427 (5 lines vs 3 lines). The Philips GoGear SA2945 has 7 h more continuous audio playback time than the Philips GoGear SA4427 (27 h vs 20 h). Product colour: Black, Grey on the Philips GoGear SA2945, Black, Yellow on the Philips GoGear SA4427. Display: OLED on the Philips GoGear SA2945, LCD on the Philips GoGear SA4427.

Product colour
- GoGear SA2945:Black, Grey
- GoGear SA4427:Black, Yellow
Total storage capacity
- GoGear SA2945:4 GB
- GoGear SA4427:2 GB
Display
- GoGear SA2945:OLED
- GoGear SA4427:LCD
Display resolution
- GoGear SA2945:128 x 128 pixels
- GoGear SA4427:128 x 48 pixels
Display number of lines
- GoGear SA2945:5 lines
- GoGear SA4427:3 lines
Continuous audio playback time
- GoGear SA2945:27 h
- GoGear SA4427:20 h
Depth
- GoGear SA2945:146 mm
- GoGear SA4427:31 mm
Height
- GoGear SA2945:150 mm
- GoGear SA4427:15 mm

Side by side

Differences highlightedShow differences only

Comparison of SA2945/97, SA4427/93
69 specifications	A Philips GoGear SA2945 Model SA2945/97 View product	B Philips GoGear SA4427 Model SA4427/93 View product
Performanceidentical
Type	MP3 player	MP3 player
Firmware upgradeable	Yes	Yes
Digital Rights Management (DRM)Known for one	Unknown — not stated by the source	Yes
Design1 differ
Product colourDiffers	Black, Grey	Black, Yellow
Volume control	Digital	Digital
Battery low indication	Yes	Yes
Storage1 differ
Player media type	Flash memory	Flash memory
Total storage capacityDiffers	4 GB	2 GB
Card reader integrated	No	No
Display3 differ
Touchscreen	No	No
DisplayDiffers	OLED	LCD
Display diagonalKnown for one	3.71 cm (1.46")	Unknown — not stated by the source
Display resolutionDiffers	128 x 128 pixels	128 x 48 pixels
Backlight	Yes	Yes
Display number of linesDiffers	5 lines	3 lines
ID3 Tag display	Yes	Yes
File formatsidentical
Audio formats supported	MP3, WAV, WMA	MP3, WAV, WMA
Image formats supportedKnown for one	JPG	Unknown — not stated by the source
Headphonesidentical
Headphone connectivity	3.5 mm	3.5 mm
Audioidentical
Built-in speaker(s)	No	No
RMS rated power	0.006 W	0.006 W
Signal-to-Noise Ratio (SNR)	80 dB	80 dB
MP3 bit rates	8 - 320 Kbit/s	8 - 320 Kbit/s
WMA bit rates	5 - 320 Kbit/s	5 - 320 Kbit/s
Channel separation	35 dB	35 dB
Equalizer customizable	Yes	Yes
Frequency range	80 - 18000 Hz	80 - 18000 Hz
MP3 sample rates	8 - 48 kHz	8 - 48 kHz
WMA sample rates	8 - 48 kHz	8 - 48 kHz
Equalizer	Yes	Yes
Equalizer modes	Classic, Funk, Hip hop, Jazz, Rock, Techno	Classic, Funk, Hip hop, Jazz, Rock, Techno
Radioidentical
FM radio	Yes	Yes
Supported radio bands	FM	FM
FM recording	Yes	Yes
Preset stations quantity	20	20
Record modesidentical
Voice recording	Yes	Yes
Built-in microphone	Yes	Yes
Ports & interfacesidentical
Interface	USB 2.0	USB 2.0
Cameraidentical
Built-in camera	No	No
Second camera	No	No
Power1 differ
Rechargeable	Yes	Yes
Continuous audio playback timeDiffers	27 h	20 h
USB charging	Yes	Yes
System requirementsidentical
Internet connection required	Yes	Yes
Optical drive required	Yes	Yes
Weight & dimensions3 differ
DepthDiffers	146 mm	31 mm
HeightDiffers	150 mm	15 mm
WidthDiffers	43 mm	69 mm
WeightKnown for one	Unknown — not stated by the source	29 g
Packaging data1 differ
Package typeDiffers	D-box	Jewel box
Packaging contentidentical
Cables included	USB	USB
Headphones included	Yes	Yes
Neck strap includedKnown for one	Yes	Unknown — not stated by the source
Quick start guide	Yes	Yes
User guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Built-in memory	Yes	Yes
Compatible operating systemsKnown for one	Windows 2000 / XP / Vista	Unknown — not stated by the source
Display resolution (numeric)	128 pixels	128 pixels
Internal memory type	NAND	NAND
Keypad lock	Yes	Yes
Lead-free soldered product	Yes	Yes
Mass storage class compliant	Yes	Yes
SlideshowKnown for one	Yes	Unknown — not stated by the source
Sound enhancement technology	FullSound	FullSound
SuperscrollKnown for one	Yes	Unknown — not stated by the source
Backlight displayKnown for one	Unknown — not stated by the source	Yes
CompatibilityKnown for one	Unknown — not stated by the source	Windows XP (SP2 or above)
CD-ROMKnown for one	Unknown — not stated by the source	Yes
Windows Media Player 11Known for one	Unknown — not stated by the source	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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