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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