SiSoftware Sandra是一款可运行在32bit和64bit Windows操作系统上的分析软件，这款软件可以对于系统进行方便、快捷的基准测试，还可以用于查看系统的软件、硬件等信息。从Sandra 2007开始支持SSE4指令集。SiSoftware Sandra所有的基准测试都针对SMP和SMT进行了优化，最高可支持32/64路平台，这也是我们选择这款软件的原因之一。
SiSoftware Sandra Pro Business 2009 | |||
测试对象 | DELL Precision T5500 | 华硕P6T WS Professional | |
Processor Arithmetic Benchmark | |||
Dhrystone ALU | 138679MIPS | 77991MIPS | |
Dhrystone ALU vs SPEED | 52.13MIPS/MHz | 24.32MIPS/MHz | |
Whetstone iSSE3 | 121017MFLOPS | 66211MFLOPS | |
Dhrystone iSSE3 vs SPEED | 45.50MFLOPS/MHz | 20.65MFLOPS/MHz | |
Processor Multi-Media Benchmark | |||
Multi-Media Int x8 iSSE4.1 | 284.58MPixel/s | 162.18MPixel/s | |
Multi-Media Int x8 iSSE4.1 vs SPEED | 106.99kPixels/s/MHz | 50.57kPixels/s/MHz | |
Multi-Media Float x4 iSSE2 | 217.19MPixel/s | 125.21MPixel/s | |
Multi-Media Float x4 iSSE2 vs SPEED | 81.65kPixels/s/MHz | 39.04kPixels/s/MHz | |
Multi-Media Double x2 iSSE2 | 119.23MPixel/s | 68.86MPixel/s | |
Multi-Media Double x2 iSSE2 vs SPEED | 44.82kPixels/s/MHz | 21.47kPixels/s/MHz | |
Multi-Core Efficiency Benchmark | |||
Inter-Core Bandwidth | 69.66GB/s | 34.89GB/s | |
Inter-Core Bandwidth vs SPEED | 26.82MB/s/MHz | 11.14MB/s/MHz | |
Inter-Core Latency | 17ns | 14ns | |
Inter-Core Latency vs SPEED | 0.01ns/MHz | 0.01ns/MHz | |
Memory Bandwidth Benchmark | |||
Int Buff'd iSSE2 Memory Bandwidth | 15.08GB/s | 14.33GB/s | |
Float Buff'd iSSE2 Memory Bandwidth | 15.08GB/s | 14.32GB/s | |
Memory Latency Benchmark | |||
Memory(Random Access) Latency | 114ns | 77ns | |
Memory(Random Access) Latency vs SPEED | - | 0.16ns/MHz | |
Speed Factor | 78.00 | 61.70 | |
Internal Data Cache Latency | 4clocks | 4clocks | |
L2 On-board Cache Latency | 10clocks | 10clocks | |
L On-board Cache Latency | 47clocks | 49clocks | |
Cache and Memory Benchmark | |||
Cache/Memory Bandwidth | 128.85GB/s | 58.72GB/s | |
Cache/Memory Bandwidth vs SPEED | 49.60MB/s/MHz | 34.44MB/s/MHz | |
Speed Factor | 25.70 | 25.50 | |
Internal Data Cache | 424.43GB/s | 424.41GB/s | |
L2 On-board Cache | 395.93GB/s | 393.69GB/s | |
Graphics Processing | |||
Native Float Shaders | 537.10MPixel/s | 542.55MPixel/s | |
Native Float Shaders vs SPEED | 542.11kPixels/s/MHz | 529.42kPixels/s/MHz | |
Graphics Bandwidth | |||
Internal Memory Bandwidth | 78.03GB/s | 76.69GB/s | |
Data Transfer Bandwidth | 9.25GB/s | 10.49GB/s | |
Internal Memory Bandwidth | 78.03GB/s | 76.44GB/s | |
System to Device Bandwidth | 9.58GB/s | 10.49GB/s | |
Device to System Bandwidth | 6.34GB/s | 8.10GB/s | |
由于处理器数量的关系，我们看到在最初的处理器项目测试中，P6T WS Professional的成绩只有DELL T5500的一半以上，这是双路对单路的结果。不过从得分上看，高频的至强W5580性能的确强悍。
