英特尔新的P35主板,支持DDR2和DDR3,在内存性能上和上一代的P965有多大改进呢?
测试平台:
Memory Performance Test Configuration
Processor
Intel Core 2 Duo X6800
(x2, 2.93GHz unlocked, 4MB Unified Cache)
10x266 - 2.66 GHz
8x333 - 2.66GHz
RAM
Corsair CM3X1024-1066C7
(2GB Kit - 2x1GB)
Corsair Dominator CM2X1024-8888C4
(2GB Kit - 2x1GB)
Hard Drive
Samsung 250GB SATA2 enabled (8MB Buffer)
System Platform Drivers
Intel - 8.3.0.1013
Video Card
Leadtek WinFast 7950GT 256MB
Video Drivers
NVIDIA 93.71
CPU Cooling
Intel Retail HSF
Power Supply
Corsair HX620W
Motherboards
Asus P5K3 Deluxe (Intel P35 DDR3)
Asus P5K Deluxe (Intel P35 DDR2)
Asus P5B Deluxe (Intel P965 DDR2)
Operating System
Windows XP Professional SP2
Bench Software
SiSoft Sandra XI SP2
CPU-Z 1.40
Everest 4.0
Super Pi 1.5
Far Cry - River Demo
带宽测试:
Standard (Buffered) Sandra XI.SP2 Memory Bandwidth - 2.66GHz
Memory Speed
P965
ASUS P5B Dlx
P35 DDR2
ASUS P5K Dlx
P35 DDR3
ASUS P5K3 Dlx
10 x 266 - 1066FSB - 2.66GHz
DDR2-800 3-3-3-9
5531
5754
(+4.0%)
-
DDR2-800 5-6-6-15
5207
-
-
DDR2-800 6-6-6-15
-
5545
(+6.5%)
-
DDR3-800 6-6-6-15
-
-
5451
(+4.7%)
DDR2-1067 4-4-3-11
5782
6037
(+4.4%)
-
DDR2-1067 5-6-6-15
5712
-
-
DDR2-1067 6-6-6-15
-
5872
(+2.8%)
-
DDR3-1067 7-7-7-20
-
-
5843
(+2.3%)
8x333 - 1333FSB - 2.66GHz
DDR2-800 3-3-3-9
-
6456
(+16.7%)
-
DDR2-800 6-6-6-15
-
6143
(+18.0%)
-
DDR3-800 6-6-6-15
-
-
6156
(+18.2%)
DDR2-1067 4-4-3-11
-
6811
(+17.8%)
-
DDR2-1067 6-6-6-15
-
6621
(+15.9%)
-
DDR3-1067 7-7-7-20
-
-
6613
(+15.8%)
DDR3-1333 9-9-9-25
-
-
6757
Unbuffered Sandra XI.SP2 Memory Bandwidth - 2.66GHz
Memory Speed
P965
ASUS P5B Dlx
P35 DDR2
ASUS P5K Dlx
P35 DDR3
ASUS P5K3 Dlx
10 x 266 - 1066 FSB - 2.66GHz
DDR2-800 3-3-3-9
4226
4370
(+3.4%)
-
DDR2-800 5-6-6-15
3668
?
-
DDR2-800 6-6-6-15
-
3853
(+5.0%)
-
DDR3-800 6-6-6-15
-
-
3988
(+8.7%)
DDR2-1067 4-4-3-11
4608
4706
(+2.1%)
-
DDR2-1067 5-6-6-15
4389
-
-
DDR2-1067 6-6-6-15
-
4484
(+2.2%)
?
DDR3-1067 7-7-7-20
-
-
4311
-1.8%)
8x333 - 1333 FSB - 2.66GHz
DDR2-800 3-3-3-9
-
4536
(+7.3%)
-
DDR2-800 6-6-6-15
-
3975
(+8.4%)
-
DDR3-800 6-6-6-15
-
-
4098
(+11.7%)
DDR2-1067 4-4-3-11
-
4926
(+6.9%)
-
DDR2-1067 6-6-6-15
-
4557
(+3.8%)
-
DDR3-1067 7-7-7-20
-
-
4547
(+3.6%)
DDR3-1333 9-9-9-25
-
-
4702
SuperPi测试:
Super Pi 1.5 - 2.66GHz
Time in Seconds - Lower is Better
Memory Speed
P965
ASUS P5B Dlx
P35 DDR2
ASUS P5K Dlx
P35 DDR3
ASUS P5K3 Dlx
10 x 266 - 1066 FSB - 2.66GHz
DDR2-800 3-3-3-9
46.05
45.59
(-1.0%)
-
DDR2-800 5-6-6-15
47.28
?
-
DDR2-800 6-6-6-15
-
46.77
(-1.1%)
-
DDR3-800 6-6-6-15
-
-
46.95
(-0.7%)
DDR2-1067 4-4-3-11
45.39
45.03
(-0.8%)
-
DDR2-1067 5-6-6-15
45.72
-
-
DDR2-1067 6-6-6-15
-
45.16
(-1.2%)
?
DDR3-1067 7-7-7-20
-
-
46.03
(+0.7%)
8x333 - 1333 FSB - 2.66GHz
DDR2-800 3-3-3-9
-
45.78
(-0.6%)
-
DDR2-800 6-6-6-15
-
46.08
(-2.5%)
-
DDR3-800 6-6-6-15
-
-
46.89
(-0.8%)
DDR2-1067 4-4-3-11
-
45.20
(-0.4%)
-
DDR2-1067 6-6-6-15
-
45.81
(-0.2%)
-
DDR3-1067 7-7-7-20
-
-
45.93
(-0.5%)
DDR3-1333 9-9-9-25
-
-
45.77
游戏测试:
Far Cry - HOC River
Time in Frames Per Second - Higher is Better
Memory Speed
P965
ASUS P5B Dlx
P35 DDR2
ASUS P5K Dlx
P35 DDR3
ASUS P5K3 Dlx
10 x 266 - 1066 FSB - 2.66GHz
DDR2-800 3-3-3-9
101.26
106.01
(+4.7%)
-
DDR2-800 5-6-6-15
97.76
?
-
DDR2-800 6-6-6-15
-
102.80
(+5.2%)
-
DDR3-800 6-6-6-15
-
-
102.29
(+4.6%)
DDR2-1067 4-4-3-11
103.04
107.65
(+4.5%)
-
DDR2-1067 5-6-6-15
102
-
-
DDR2-1067 6-6-6-15
-
106.06
(+4.0%)
?
DDR3-1067 7-7-7-20
-
-
104.62
(2.6%)
8x333 - 1333 FSB - 2.66GHz
DDR2-800 3-3-3-9
-
106.30
(+5.0%)
-
DDR2-800 6-6-6-15
-
103.01
(+5.4%)
-
DDR3-800 6-6-6-15
-
-
103.39
(+5.7%)
DDR2-1067 4-4-3-11
-
108.00
(+4.8%)
-
DDR2-1067 6-6-6-15
-
106.61
(+4.5%)
-
DDR3-1067 7-7-7-20
-
-
105.87
(+3.8%)
DDR3-1333 9-9-9-25
-
-
106.7
总的看来,P35内存控制器相对于P965性能大约增加约5%,如果能采用更快的1333MHZ总线,更能增加11%至13%。而DDR3的表现目前还是差强人意。
编译出处:http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2991&p=1