SiSoftware Sandra Lite 2011 | ||||
| 产品名称 | E3-1220 | E3-1240 | E3-1275 | E3-1280 |
| Memory Bandwidth Benchmark 内存带宽测试 | ||||
|---|---|---|---|---|
| Int Buff'd iSSE2 Memory Bandwidth | 17.71 | 17.4 | 17.37 | 17.55 |
| Float Buff'd iSSE2 Memory Bandwidth | 17.66 | 17.37 | 17.37 | 17.53 |
| Memory Latency Benchmark 内存延迟测试 | ||||
| Memory(Random Access) Latency (越小越好) | 73.3 | 73.7 | 73.3 | 74.4 |
| Speed Factor (越小越好) | 61.80 | 65.80 | 68.20 | 71.30 |
| Internal Data Cache | 4 | 4 | 4 | 4 |
| L2 On-board Cache | 11 | 11 | 11 | 11 |
| L3 On-board Cache | 35 | 35 | 35 | 35 |
| Cache and Memory Benchmark 缓存及内存测试 | ||||
| Cache/Memory Bandwidth | 92.37 | 96.1 | 97.76 | 96.69 |
| Cache/Memory Bandwidth vs SPEED | 27.73 | 26.66 | 27.06 | 25.45 |
| Speed Factor (越小越好) | 34.40 | 35.70 | 38.10 | 44.50 |
| Internal Data Cache | 389 | 415.1 | 427.84 | 435.5 |
| L2 On-board Cache | 325.85 | 277.87 | 287.5 | 364.87 |
内存带宽测试中,由于测试平台使用的是同样的内存,因此在内存测试项目中它们的表现基本相同,差距都是小数点后几位。而在缓存及内存测试中,因为有了处理器的存在,主频依然占据了决定性的作用。