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Audio Codec Comparison Table

Author: Gabriel Torres
Type: Tutorials	Last Updated: April 9, 2012
Page: 2 of 5

Realtek (ALC, Avance Logic)

Realtek is probably today’s most popular audio codec manufacturer. Old codecs from Realtek can be found marked as “Avance Logic,” and both old and new codecs use model names starting with “ALC.” In Figure 2, you can see an example of a Realtek codec.

click to enlarge
Figure 2: Realtek ALC888S codec

Model	Channels	Input Resolution	Output Resolution	Input Max. Sampling Rate	Output Max. Sampling Rate	Input SNR	Output SNR
ALC101	2	16-bit	16-bit	48 kHz	48 kHz	70 dB	75 dB
ALC202	2	18-bit	20-bit	48 kHz	96 kHz	85 dB	90 dB
ALC203	2	18-bit	20-bit	48 kHz	96 kHz	90 dB	100 dB
ALC250	2	18-bit	20-bit	48 kHz	96 kHz	92 dB	100 dB
ALC260	2	20-bit	24-bit	96 kHz	192 kHz	90 dB	95 dB
ALC262	4	20-bit	24-bit	96 kHz	192 kHz	90 dB	100 dB
ALC268	4	20-bit	24-bit	96 kHz	192 kHz	90 dB	95 dB
ALC269	4	24-bit	24-bit	96 kHz	192 kHz	98 dB	98 dB
ALC650	5.1	18-bit	20-bit	48 kHz	96 kHz	85 dB	90 dB
ALC655	5.1	16-bit	16-bit	48 kHz	48 kHz	86 dB	86 dB
ALC658	5.1	18-bit	20-bit	48 kHz	96 kHz	92 dB	96 dB
ALC662	5.1	20-bit	24-bit	96 kHz	96 kHz	90 dB	98 dB
ALC850	7.1	16-bit	16-bit	48 kHz	48 kHz	86 dB	92 dB
ALC861	7.1	16-bit	24-bit	96 kHz	96 kHz	82 dB	90 dB
ALC861-VD-GR	7.1	24-bit	24-bit	96 kHz	96 kHz	85 dB	95 dB
ALC880	7.1	20-bit	24-bit	96 kHz	192 kHz	85 dB	100 dB
ALC880D	7.1	20-bit	24-bit	96 KHz	192 KHz	85 dB	100 dB
ALC882	7.1+2	20-bit	24-bit	96 kHz	192 kHz	90 dB	101 dB
ALC883	7.1+2	24-bit	24-bit	96 kHz	192 kHz	85 dB	95 dB
ALC885	7.1+2	24-bit	24-bit	192 kHz	192 kHz	101 dB	106 dB
ALC887	7.1	24-bit	24-bit	192 KHz	192 KHz	90 dB	97 dB
ALC888	7.1+2	24-bit	24-bit	96 kHz	192 kHz	90 dB	97 dB
ALC888S	7.1+2	20-bit	24-bit	96 kHz	192 kHz	90 dB	97 dB
ALC888DD	7.1+2	24-bit	24-bit	96 kHz	192 kHz	90 dB	97 dB
ALC888S-VC	7.1+2	24-bit	24-bit	192 KHz	192 KHz	90 dB	97 dB
ALC888-VC2-GR	7.1+2	24-bit	24-bit	192 KHz	192 KHz	90 dB	97 dB
ALC888S-VD	7.1+2	24-bit	24-bit	192 KHz	192 KHz	90 dB	97 dB
ALC889	7.1+2	24-bit	24-bit	192 kHz	192 kHz	104 dB	108 dB
ALC892	7.1+2	24-bit	24-bit	192 KHz	192 KHz	90 dB	97 dB
ALC898	7.1+2	24-bit	24-bit	192 kHz	192 kHz	104 dB	110 dB

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