Here are the results, i know i should include a source normally, but i cannot, because i dont want the site to get into any problems, any mod/admin can PM me though, but i dont want to throw such kind of info to the public

Bench: Sungard AA
AMD Opteron 2384: 249.6s
AMD Opteron 2356: 300.2s
Intel Xeon X5470: 180.1s
Intel Xeon L5430: 230.2s

Bench: Caselab Euler 3D
AMD Opteron 2384: 63.1s
AMD Opteron 2356: 84s
Intel Xeon X5470: 64.2s
Intel Xeon L5430: 66.9

Bench: Cinebench R10
AMD Opteron 2384: 19357
AMD Opteron 2356: 15372
Intel Xeon X5470: 24624
Intel Xeon L5430: 19997

Bench: FlamMap FSPRO
AMD Opteron 2384: 427s
AMD Opteron 2356: 512s
Intel Xeon X5470: 309s
Intel Xeon L5430: 376s

Bench: Half-Life2 Build Map
AMD Opteron 2384: 91s
AMD Opteron 2356: 109s
Intel Xeon X5470: 75s
Intel Xeon L5430: 87s

Bench: HWI MySQL - Concurrency 2
AMD Opteron 2384: 1608 trans/s
AMD Opteron 2356: 1498 trans/s
Intel Xeon X5470: 1475 trans/s
Intel Xeon L5430: 1455 trans/s

Bench: HWI MySQL - Concurrency 4
AMD Opteron 2384: 3072 trans/s
AMD Opteron 2356: 2948 trans/s
Intel Xeon X5470: 2753 trans/s
Intel Xeon L5430: 2741 trans/s

Bench: HWI MySQL - Concurrency 8
AMD Opteron 2384: 5646 trans/s
AMD Opteron 2356: 4944 trans/s
Intel Xeon X5470 4633 trans/s
Intel Xeon L5430: 4648 trans/s

Bench: HWI MySQL - Concurrency 16
AMD Opteron 2384: 5961 trans/s
AMD Opteron 2356: 4286 trans/s
Intel Xeon X5470 5846 trans/s
Intel Xeon L5430: 4766 trans/s

Bench: HWI MySQL - Concurrency 32
AMD Opteron 2384: 6123 trans/s
AMD Opteron 2356: 4970 trans/s
Intel Xeon X5470: 6046 trans/s
Intel Xeon L5430: 4838 trans/s

Bench: PovRay 3.7b21 - Chess 1280*1024
AMD Opteron 2384: 58.4s
AMD Opteron 2356: 69.4
Intel Xeon X5470 48.1s
Intel Xeon L5430: 59.1s

Bench: Sissoft Sandra 2009 - Intercore Bandwidth
AMD Opteron 2384: 7.46 Gbit/s
AMD Opteron 2356: 5.79 Gbit/s
Intel Xeon X5470: 25.7 Gbit/s
Intel Xeon L5430: 21.9 Gbit/s

Bench: Sissoft Sandra 2009 - Intercore Latency
AMD Opteron 2384: 107ns
AMD Opteron 2356: 164ns
Intel Xeon X5470 104ns
Intel Xeon L5430: 101ns

Bench: Sissoft Sandra 2009 - L1 latency
AMD Opteron 2384: 3clk
AMD Opteron 2356: 3clk
Intel Xeon X5470 3clk
Intel Xeon L5430: 3clk

Bench: Sissoft Sandra 2009 - L2 Latency
AMD Opteron 2384: 16clk
AMD Opteron 2356: 16clk
Intel Xeon X5470: 18clk
Intel Xeon L5430: 18clk

Bench: Sissoft Sandra 2009 - Memory Bandwidth
AMD Opteron 2384: 20.41 Gbit/s
AMD Opteron 2356: 17.75 Gbit/s
Intel Xeon X5470: 4.05 Gbit/s
Intel Xeon L5430: 4.05 Gbit/s

Bench: Sissoft Sandra 2009 - Memory Latency
AMD Opteron 2384: 105 ns
AMD Opteron 2356: 118 ns
Intel Xeon X5470: 126 ns
Intel Xeon L5430: 127 ns

Idle Power Concumption
AMD Opteron 2384: 100W
AMD Opteron 2356: 109W
Intel Xeon X5470: 170W
Intel Xeon L5430: 169W

Power Consumption (Cinenbench)
AMD Opteron 2384: 197W
AMD Opteron 2356: 226W
Intel Xeon X5470: 277W
Intel Xeon L5430: 227W

Power Consumption (HWI SQL CC 32)
AMD Opteron 2384: 143W
AMD Opteron 2356: 167W
Intel Xeon X5470: 206W
Intel Xeon L5430: 188W

Enjoy