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0.2GHz主频差距可有可无?E3处理器实测

  Sisoftware Sandra 2011处理器性能

SiSoftware Sandra Pro Business 2011
产品名称HP DL120 G7HP DL120 G7
平台类型单路Intel SandyBridge单路Intel SandyBridge
处理器型号至强E3-1240(关超线程)至强E3-1220
Processor Arithmetic Benchmark
处理器算术运算测试
总计本地功效71GOPS66.64GOPS
总计本地功效对比速度19.22MOPS/MHz19.64MOPS/MHz
Dhrystone iSSE4.2103.54GIPS97.44GIPS
Dhrystone iSSE4.2 vs SPEED28.04MIPS/MHz28.73MIPS/MHz
Whetstone iSSE348.63GFLOPS45.57GFLOPS
Dhrystone iSSE3 vs SPEED13.17MFLOPS/MHz13.43MFLOPS/MHz
Processor Multi-Media Benchmark
处理器多媒体测试
总计多媒体功效130.75MPixel/s123MPixel/s
总计多媒体功效对比速度35.41kPixels/s/MHz36.28kPixels/s/MHz
Multi-Media Int x16 iSSE4.1158.52MPixel/s149.2MPixel/s
Multi-Media Int x16 iSSE4.1 vs SPEED42.94kPixels/s/MHz43.99kPixel/s/MHz
Multi-Media Float x8 iSSE2107.84MPixel/s101.51MPixel/s
Multi-Media Float x8 iSSE2 vs SPEED29.21kPixels/s/MHz

29.93kPixels/s/MHz

Multi-Media Double x4 iSSE258.56MPixel/s54.86MPixel/s
Multi-Media Double x4 iSSE2 vs SPEED15.86kPixels/s/MHz

16.17kPixels/s/MHz

Multi-Core Efficiency Benchmark
处理器效能测试
内联核带宽8.63GB/s8GB/s
内联核带宽对比速度2.39MB/s/MHz2.44MB/s/MHz
内联核延迟(越小越好)39.2ns42.0ns
内联核延迟对比速度(越小越好)0.11ns/MHz0.12ns/MHz
Java算数性能测试
总计 Java 功效58.58GOPS

57GOPS

总计 Java 功效对比速度16.31MOPSMHz16.81MOPSMHz
Dhrystone Java108.55GIPS109.83GIPS
Dhrystone Java对比速度30.22MIPS/MHz32.38MIPS/MHz
Whetstone Java31.6GFLOPS29.6GFLOPS
Whetstone Java对比速度8.80MFLOPSMHz8.73MFLOPS/MHz
Java多媒体性能测试
总计多媒体Java功效18MPixel/s17MPixel/s
总计多媒体Java功效对比速度4.88kPixels/s/MHz4.99kPixels/s/MHz
多媒体整数 x1 Java20.68MPixel/s19.4MPixel/s
多媒体整数 x1 Java对比速度5.60kPixels/s/MHz5.72kPixels/s/MHz
多媒体浮点数 x1 Java15.7MPixel/s14.79MPixel/s
多媒体浮点数 x1 Java对比速度4.25kPixels/s/MHz4.36kPixels/s/MHz
多媒体双精度 x1 Java16MPixel/s14.76MPixel/s
多媒体双精度 x1 Java对比速度4.32kPixels/s/MHz4.35kPixels/s/MHz
.NET Arithmetic Benchmark
.NET算术运算测试
总计 .NET 功效21.32GOPS19.77GOPS
总计 .NET 功效对比速度5.77MOPS/MHz6.00MOPS/MHz
Dhrystone .NET15.26GIPS14.15GIPS
Dhrystone .NET vs SPEED4.13MIPS/MHz4.30MIPS/MHz
Whetstone .NET29.77GFLOPS27.63GFLOPS
Whetstone .NET vs SPEED8.06MFLOPS/MHz8.39MFLOPS/MHz
.NET Multi-Media Benchmark
.NET多媒体测试
总计多媒体.NET功效14.85MPixel/s14MPixel/s
总计多媒体.NET功效对比速度4.02kPixels/MHz4.14kPixels/s/MHz
多媒体整数 x1 .NET28.24MPixel/s26.54MPixel/s
多媒体整数x1 .NET vs SPEED7.65kPixels/s/MHz7.82kPixels/s/MHz
多媒体浮点数 x1 .NET7.8MPixel/s7.41MPixel/s
多媒体浮点数 x1 .NET vs SPEED2.12kPixels/s/MHz2.19kPixels/s/MHz
多媒体双精度 x1 .NET15.63MPixel/s14.74MPixel/s
多媒体双精度 x1 .NET vs SPEED4.23kPixels/s/MHz4.35kPixels/s/MHz

  测试成绩中我们可以看到,由于存在0.2GHz的主频差距,两款处理器之间的测试成绩略微存在差距,经粗略计算,各项测试成绩基本与主频成正比。

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