Intel Xeon E7540 vs AMD Opteron 1389

Comparative analysis of Intel Xeon E7540 and AMD Opteron 1389 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E7540

AMD Opteron 1389

Differences

Reasons to consider the Intel Xeon E7540

2 more cores, run more applications at once: 6 vs 4
8 more threads: 12 vs 4
Around 10% lower typical power consumption: 105 Watt vs 115 Watt
4.5x better performance in PassMark - CPU mark: 9409 vs 2079

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 4
Thermal Design Power (TDP)	105 Watt vs 115 Watt
Benchmarks
PassMark - CPU mark	9409 vs 2079

Reasons to consider the AMD Opteron 1389

349525.3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 21% better performance in PassMark - Single thread mark: 1102 vs 911

Specifications (specs)
L3 cache	6 MB vs 18 MB L3 Cache
Benchmarks
PassMark - Single thread mark	1102 vs 911

Compare benchmarks

CPU 1: Intel Xeon E7540
CPU 2: AMD Opteron 1389

PassMark - Single thread mark

CPU 1

CPU 2

911

1102

PassMark - CPU mark

CPU 1

CPU 2

9409

2079

Name	Intel Xeon E7540	AMD Opteron 1389
PassMark - Single thread mark	911	1102
PassMark - CPU mark	9409	2079

Compare specifications (specs)

	Intel Xeon E7540	AMD Opteron 1389
Essentials
Architecture codename	Nehalem EX	K10
Launch date	Q1'10	1 Jun 2009
Place in performance rating	2093	2143
Processor Number	E7540
Series	Legacy Intel Xeon Processors
Vertical segment	Server	Server
Launch price (MSRP)		$269
Performance
Base frequency	2.00 GHz	2.9 GHz
Bus Speed	6.4 GT/s
L3 cache	18 MB L3 Cache	6 MB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	64°C
Maximum frequency	2.27 GHz
Number of cores	6	4
Number of threads	12	4
L1 cache		512 KB
L2 cache		2 MB
Compatibility
Sockets supported	FCLGA1567	AM2+, AM3
Thermal Design Power (TDP)	105 Watt	115 Watt
Max number of CPUs in a configuration		1
Security & Reliability
Execute Disable Bit (EDB)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Memory
Maximum memory size		256 TB
Supported memory types		DDR3-1333, DDR2-1066