Intel Xeon E5-2689 vs Intel Xeon E5-2651 v2

Comparative analysis of Intel Xeon E5-2689 and Intel Xeon E5-2651 v2 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-2689

Intel Xeon E5-2651 v2

Differences

Reasons to consider the Intel Xeon E5-2689

512x more maximum memory size: 384 GB vs 768 GB (per socket)

Maximum memory size	384 GB vs 768 GB (per socket)

Reasons to consider the Intel Xeon E5-2651 v2

CPU is newer: launch date 1 year(s) 7 month(s) later
4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm

Launch date	November 2013 vs 6 Mar 2012
Number of cores	12 vs 8
Number of threads	24 vs 16
Manufacturing process technology	22 nm vs 32 nm

Compare benchmarks

CPU 1: Intel Xeon E5-2689
CPU 2: Intel Xeon E5-2651 v2

Name	Intel Xeon E5-2689	Intel Xeon E5-2651 v2
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
Geekbench 4 - Single Core		2030
Geekbench 4 - Multi-Core		18071

Compare specifications (specs)

	Intel Xeon E5-2689	Intel Xeon E5-2651 v2
Essentials
Architecture codename	Sandy Bridge	Ivy Bridge-EP
Launch date	6 Mar 2012	November 2013
Place in performance rating	2155	291
Processor Number	E5-2689	E5-2651 v2
Vertical segment	Server	Server
Family		Intel Xeon E5-2600 v2
Performance
64 bit support
Base frequency	2.6 GHz	1800 MHz
Bus Speed	8 GT/s QPI	5 GT/s DMI
Manufacturing process technology	32 nm	22 nm
Maximum core temperature	52°C
Maximum frequency	3.6 GHz
Number of cores	8	12
Number of QPI Links	2
Number of threads	16	24
VID voltage range	0.6V - 1.35V
L1 cache		768 KB
L2 cache		3 MB
L3 cache		30 MB
Memory
ECC memory support
Max memory channels	4	4
Maximum memory bandwidth	51.2 GB/s
Maximum memory size	384 GB	768 GB (per socket)
Supported memory types	DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600	DDR3
Compatibility
Max number of CPUs in a configuration	2	2
Sockets supported	LGA2011	LGA2011
Thermal Design Power (TDP)	115 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16
Scalability	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)