Sisoftware Sandra 2011处理器性能
Sisoftware Sandra 2011是最新版的Sisoftware Sandra测试软件，之所以选择这款软件是因为只有它能够实现对于至强E3处理器的测试。虽然我们测试使用的是Lite版本，但是并不影响对于性能的考量。
SiSoftware Sandra Pro Business 2011 | ||
| 产品名称 | 联想T168 G7 | 宝德PR2280B |
| 平台类型 | Intel SandyBridge | Intel SandyBridge |
| Processor Arithmetic Benchmark 处理器算术运算测试 | ||
|---|---|---|
| 总计本地功效 | 66.59GOPS | 106.77GOPS |
| 总计本地功效对比速度 | 19.63MOPS/MHz | 30.58MOPS/MHz |
| Dhrystone iSSE4.2 | 97.37GIPS | 136.9GIPS |
| Dhrystone iSSE4.2 vs SPEED | 28.71MIPS/MHz | 39.20MIPS/MHz |
| Whetstone iSSE3 | 45.54GFLOPS | 83.28GFLOPS |
| Dhrystone iSSE3 vs SPEED | 13.43MFLOPS/MHz | 23.85MFLOPS/MHz |
| Processor Multi-Media Benchmark 处理器多媒体测试 | ||
| 总计多媒体功效 | 123.15MPixel/s | 175.14MPixel/s |
| 总计多媒体功效对比速度 | 36.31kPixels/s/MHz | 50.15kPixels/s/MHz |
| Multi-Media Int x16 iSSE4.1 | 149.37MPixel/s | 201MPixel/s |
| Multi-Media Int x16 iSSE4.1 vs SPEED | 44.04kPixels/s/MHz | 57.55kPixel/s/MHz |
| Multi-Media Float x8 iSSE2 | 101.53MPixel/s | 152.64MPixel/s |
| Multi-Media Float x8 iSSE2 vs SPEED | 29.93kPixels/s/MHz | 43.71kPixels/s/MHz |
| Multi-Media Double x4 iSSE2 | 55MPixel/s | 83.32MPixel/s |
| Multi-Media Double x4 iSSE2 vs SPEED | 16.24kPixels/s/MHz | 23.86kPixels/s/MHz |
| Multi-Core Efficiency Benchmark 处理器效能测试 | ||
| 内联核带宽 | 8.24GB/s | 16GB/s |
| 内联核带宽对比速度 | 2.49MB/s/MHz | 4.70MB/s/MHz |
| 内联核延迟(越小越好) | 42.4ns | 37.3ns |
| 内联核延迟对比速度(越小越好) | 0.13ns/MHz | 0.11ns/MHz |
| Java算数性能测试 | ||
| 总计 Java 功效 | 54.22GOPS | 71.39GOPS |
| 总计 Java 功效对比速度 | 15.98MOPSMHz | 20.44MIPS/MHz |
| Dhrystone Java | 111GIPS | 126.58GIPS |
| Dhrystone Java对比速度 | 32.70MIPS/MHz | 36.25MIPS/MHz |
| Whetstone Java | 26.5GFLOPS | 40.26GFLOPS |
| Whetstone Java对比速度 | 7.81MFLOPSMHz | 11.53MFLOPS/MHz |
| Java多媒体性能测试 | ||
| 总计多媒体Java功效 | 16.88MPixel/s | 27.13MPixel/s |
| 总计多媒体Java功效对比速度 | 4.98kPixels/s/MHz | 7.77kPixels/s/MHz |
| 多媒体整数 x1 Java | 19.4MPixel/s | 28.71MPixel/s |
| 多媒体整数 x1 Java对比速度 | 5.72kPixels/s/MHz | 8.22kPixels/s/MHz |
| 多媒体浮点数 x1 Java | 14.69MPixel/s | 25.63MPixel/s |
| 多媒体浮点数 x1 Java对比速度 | 4.33kPixels/s/MHz | 7.34kPixels/s/MHz |
| 多媒体双精度 x1 Java | 14.75MPixel/s | 27.54MPixel/s |
| 多媒体双精度 x1 Java对比速度 | 4.35kPixels/s/MHz | 7.89kPixels/s/MHz |
| .NET Arithmetic Benchmark .NET算术运算测试 | ||
| 总计 .NET 功效 | 20.18GOPS | 30GOPS |
| 总计 .NET 功效对比速度 | 5.95MOPS/MHz | 8.59MOPS/MHz |
| Dhrystone .NET | 14.64GIPS | 17.6GIPS |
| Dhrystone .NET vs SPEED | 4.32MIPS/MHz | 5.04MIPS/MHz |
| Whetstone .NET | 27.82GFLOPS | 51.13GFLOPS |
| Whetstone .NET vs SPEED | 8.20MFLOPS/MHz | 14.64MFLOPS/MHz |
| .NET Multi-Media Benchmark .NET多媒体测试 | ||
| 总计多媒体.NET功效 | 14MPixel/s | 22.11MPixel/s |
| 总计多媒体.NET功效对比速度 | 4.14kPixels/MHz | 6.33kPixels/s/MHz |
| 多媒体整数 x1 .NET | 26.6MPixel/s | 36.77MPixel/s |
| 多媒体整数x1 .NET vs SPEED | 7.84kPixels/s/MHz | 10.53kPixels/s/MHz |
| 多媒体浮点数 x1 .NET | 7.4MPixel/s | 13.3MPixel/s |
| 多媒体浮点数 x1 .NET vs SPEED | 2.18kPixels/s/MHz | 3.81kPixels/s/MHz |
| 多媒体双精度 x1 .NET | 14.66MPixel/s | 25MPixel/s |
| 多媒体双精度 x1 .NET vs SPEED | 4.32kPixels/s/MHz | 7.15kPixels/s/MHz |
我们看到测试成绩有着很大的差别，宝德PR2280B基本上超过联想T168 G7达50%，而我们知道两者的主频差距仅仅是0.4GHz，当然不可能是这0.4导致这么大的差距，看来具备超线程功能还是具备相当大的优势的。
