快讯

真是免费的午餐? HI-FI主板对比测试

2013-05-16 00:16  出处:pconline  作者:JM[专栏]   责任编辑:yanyuchen 

数据对比测试:

测试平台介绍:

硬件平台
CPUIntel Pentium G840
主板

映泰 T77
映泰 HIFI H77S

内存金泰克 DDR3 1333 2GB×2
硬盘日立 1TB 64M SATA3
电源安钛克VP500
声卡
E-MU 1212M
板载声卡(采用前置面板耳机输出)
软件平台
操作系统Windows 7 旗舰版 64位

测试软件

RMAA 6.5.2

1212m
EMU-1212M

映泰H77主板RMAA成绩

Frequency response (from 40 Hz to 15 kHz), dB
+0.11, -0.07
Very good
Noise level, dB (A)
-83.4
Good
Dynamic range, dB (A)
83.3
Good
THD, %
0.0036
Very good
THD + Noise, dB (A)
-75.6
Average
IMD + Noise, %
0.019
Very good
Stereo crosstalk, dB
-83.2
Very good
IMD at 10 kHz, %
0.020
Good
General performance
 
Very good

FR

CROSS

THD

NOISE
RMAA成绩截图

映泰H77 HIFI主板RMAA成绩

Frequency response (from 40 Hz to 15 kHz), dB
+0.05, -0.18
Very good
Noise level, dB (A)
-86.6
Good
Dynamic range, dB (A)
86.4
Good
THD, %
0.0025
Excellent
THD + Noise, dB (A)
-77.3
Average
IMD + Noise, %
0.019
Very good
Stereo crosstalk, dB
-80.4
Very good
IMD at 10 kHz, %
0.013
Very good
General performance
 
Very good

fr

cross

thd

noise
 RMAA成绩截图

  从结果可以看出,HI-FI版本的H77S主板在RMAA的测试成绩中,各项成绩均领先于普通版本的H77Z主板,不过我们也知道数据与实际听感并不能做一个必然的联系,所以我们接下来将使用主观盲听对比测试来进行测试:

键盘也能翻页,试试“← →”键