SiSoftware Sandra Professional 2009 SP4 |
Core i7-820QM @ 1.73GHz |
Core 2 Quad Q9400 @ 1.73GHz |
提升比例 |
CPU Arithmetic Benchmark |
Dhrystone ALU(GIPS) |
45.54 |
29.32 |
55.3% |
Whetstone iSSE3(GFLOPS) |
37.87 |
21.56 |
75.6% |
CPU Multi-Media Benchmark |
Integer x16 iSSE4.1(MPixel/s) |
94 |
74.29 |
26.5% |
Float x8 iSSE2(MPixel/s) |
70.82 |
50 |
41.6% |
Double x4 iSSE2(MPixel/s) |
39.23 |
26.73 |
46.8% |
Memory Bandwidth Benchmark |
Int Buff iSSE2(Gb/s) |
16.2 |
5.45 |
197.2% |
Float Buff iSSE2(Gb/) |
16.2 |
5.45 |
197.2% |
Inter-Core Bandwidth(GB/s) |
26.84 |
7.58 |
254.1% |
Cache & Memory Benchmark(GB/s) |
46.3 |
27 |
71.5% |