Intel Xeon E7540 vs Intel Xeon E5-2689

Comparative analysis of Intel Xeon E7540 and Intel Xeon E5-2689 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E7540

Intel Xeon E5-2689

Differences

Reasons to consider the Intel Xeon E7540

Around 23% higher maximum core temperature: 64°C vs 52°C
Around 10% lower typical power consumption: 105 Watt vs 115 Watt

Maximum core temperature	64°C vs 52°C
Thermal Design Power (TDP)	105 Watt vs 115 Watt

Reasons to consider the Intel Xeon E5-2689

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 59% higher clock speed: 3.6 GHz vs 2.27 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm

Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	3.6 GHz vs 2.27 GHz
Manufacturing process technology	32 nm vs 45 nm

Compare benchmarks

CPU 1: Intel Xeon E7540
CPU 2: Intel Xeon E5-2689

Name	Intel Xeon E7540	Intel Xeon E5-2689
PassMark - Single thread mark	911
PassMark - CPU mark	9409
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		9.219
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		123.121
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.974
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.868
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		9.539

Compare specifications (specs)

	Intel Xeon E7540	Intel Xeon E5-2689
Essentials
Architecture codename	Nehalem EX	Sandy Bridge
Launch date	Q1'10	6 Mar 2012
Place in performance rating	2153	2155
Processor Number	E7540	E5-2689
Series	Legacy Intel Xeon Processors
Vertical segment	Server	Server
Performance
Base frequency	2.00 GHz	2.6 GHz
Bus Speed	6.4 GT/s	8 GT/s QPI
L3 cache	18 MB L3 Cache
Manufacturing process technology	45 nm	32 nm
Maximum core temperature	64°C	52°C
Maximum frequency	2.27 GHz	3.6 GHz
Number of cores	6	8
Number of threads	12	16
64 bit support
Number of QPI Links		2
VID voltage range		0.6V - 1.35V
Compatibility
Sockets supported	FCLGA1567	LGA2011
Thermal Design Power (TDP)	105 Watt	115 Watt
Max number of CPUs in a configuration		2
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® Virtualization Technology for Directed I/O (VT-d)
Memory
ECC memory support
Max memory channels		4
Maximum memory bandwidth		51.2 GB/s
Maximum memory size		384 GB
Supported memory types		DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600
Peripherals
Max number of PCIe lanes		40
PCI Express revision		3.0
PCIe configurations		x4, x8, x16
Scalability		2S