P965芯片组支持从DDR2 533直到DDR2 800的规格,这涵盖了市场上主流与高端的DDR2内存模组,它们的价格差距非常大。用户是否虽然花费大量金钱去选购高速模组呢,下面的内存测试就将告诉你答案。
我们使用一片ASUS P5B Deluxe主板,Intel Core 2 Duo X6800处理器,一对Corsair CM2X512-8500内存模组,这对内存的工作频率高达1066MHz,我们分别设置成DDR2 667/800/1066进行测试。
|
DDR2 667 | DDR2 800 | DDR2 1066 |
内存频率 | 667MHz | 800MHz | 1066MHz |
时序 | 4-4-4-12 | 4-4-4-12 | 5-5-5-15 |
Cachemem 2.65MMX | |||
Main Memory Read(MB/s) | 5812.0 | 5974.9 | 5475.5 |
Main Memory Write(MB/s) | 1864.3 | 2314.6 | 2594.5 |
RightMark Memory Analyzer 3.61 | |||
Memory bandwidth software prefetch SSE2 | |||
Read(MB/s) | 6805.60 | 7303.03 | 7850.01 |
Write (MB/s) | 4866.40 | 4868.65 | 4867.11 |
Copy (MB/s) | 2415.48 | 2683.13 | 2803.58 |
D-Cache Latency | |||
Latency Pseudo-Random Read (ns) | 66.62 | 66.31 | 52.09 |
PCMARK05 | |||
PCMark | 7435 | 7469 | 7600 |
CPU | 7510 | 7518 | 7546 |
Memory | 5853 | 5983 | 6180 |
Graphics | 9029 | 9063 | 9087 |
HDD | 4979 | 5034 | 4843 |
BAPCO SYSmark 2004 SP2 | |||
Rating | 365 | 367 | 367 |
Internet Content Creation | |||
Overall | 475 | 477 | 470 |
3D Creation | 427 | 428 | 422 |
2D Creation | 578 | 582 | 575 |
Web Publication | 433 | 435 | 428 |
Office Productivity | |||
Overall | 280 | 282 | 286 |
Communication | 184 | 183 | 181 |
Document Creation | 386 | 386 | 393 |
Data Analysis | 308 | 316 | 328 |
3DMark06 Pro Version 1.0.2 1280×1024 | |||
得分 | 5671 | 5704 | 5691 |
SM2.0 | 2232 | 2233 | 2233 |
GT1 Return To Proxycon(fps) | 18.048 | 18.056 | 18.058 |
GT2 Firefly Forest (fps) | 19.149 | 19.160 | 19.167 |
HDR/SM3.0 | 2229 | 2237 | 2233 |
HDR1 Canyon Flight (fps) | 19.990 | 20.098 | 20.077 |
HDR2 Deep Freeze (fps) | 24.592 | 24.640 | 24.585 |
CPU Score | 2510 | 2589 | 2554 |
CPU1 Red Valley | 0.802 | 0.820 | 0.824 |
CPU2 Red Valley | 1.257 | 1.307 | 1.267 |
真实游戏 | |||
DOOM 3 1600×1200 | 122.2 | 122.7 | 123.1 |
Half-life 2 1600×1200 | 217.59 | 218.39 | 221.82 |
Serious Sam 2 1024×768 | 121.4 | 121.7 | 123.5 |
Battlefield 2 1024×768 | 203 | 205.6 | 204.7 |
测试结果会让那些已经花钱买了高速内存的人沮丧,也会让那些持币待购的人开心不已。在纯粹的内存缓存子系统测试中,DDR2 1066能够表现出一些优势,尤其是在RMMA的Pseudo-Random读延迟测试中表现抢先。但是到了综合性能测试,DDR2 1066和DDR2 800的优势就很小了,在Sysmark中几乎就相同。图形性能测试也体现了相同的结论,那就是高速内存在Core 2 Duo平台中没有明显优势。对于广大用户来说,购买如今大众化的DDR2 667模组就够了,把钱用在主板与显卡上更合理。