Intel Xeon E5-2651 v2 vs Intel Xeon 5120

Comparative analysis of Intel Xeon E5-2651 v2 and Intel Xeon 5120 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E5-2651 v2

Intel Xeon 5120

Differences

Reasons to consider the Intel Xeon E5-2651 v2

CPU is newer: launch date 7 year(s) 5 month(s) later
10 more cores, run more applications at once: 12 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 65 nm

Launch date	November 2013 vs June 2006
Number of cores	12 vs 2
Manufacturing process technology	22 nm vs 65 nm
Max number of CPUs in a configuration	2 vs 1

Reasons to consider the Intel Xeon 5120

Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 80% better performance in Geekbench 4 - Single Core: 3655 vs 2030
Around 42% better performance in Geekbench 4 - Multi-Core: 25615 vs 18071

Specifications (specs)
L2 cache	4096 KB vs 3 MB
Benchmarks
Geekbench 4 - Single Core	3655 vs 2030
Geekbench 4 - Multi-Core	25615 vs 18071

Compare benchmarks

CPU 1: Intel Xeon E5-2651 v2
CPU 2: Intel Xeon 5120

Geekbench 4 - Single Core

CPU 1

CPU 2

2030

3655

Geekbench 4 - Multi-Core

CPU 1

CPU 2

18071

25615

Name	Intel Xeon E5-2651 v2	Intel Xeon 5120
Geekbench 4 - Single Core	2030	3655
Geekbench 4 - Multi-Core	18071	25615
PassMark - Single thread mark		770
PassMark - CPU mark		1486

Compare specifications (specs)

	Intel Xeon E5-2651 v2	Intel Xeon 5120
Essentials
Architecture codename	Ivy Bridge-EP	Woodcrest
Family	Intel Xeon E5-2600 v2
Launch date	November 2013	June 2006
Place in performance rating	291	451
Processor Number	E5-2651 v2	5120
Vertical segment	Server	Server
Launch price (MSRP)		$45
Price now		$1,628.48
Series		Legacy Intel® Xeon® Processors
Status		Discontinued
Value for money (0-100)		0.23
Performance
64 bit support
Base frequency	1800 MHz	1.86 GHz
Bus Speed	5 GT/s DMI	1066 MHz FSB
L1 cache	768 KB
L2 cache	3 MB	4096 KB
L3 cache	30 MB
Manufacturing process technology	22 nm	65 nm
Number of cores	12	2
Number of threads	24
Die size		143 mm2
Maximum core temperature		65°C
Maximum frequency		1.86 GHz
Transistor count		291 million
VID voltage range		B2=1.0V-1.5V, G0=.85V-1.5V
Memory
ECC memory support
Max memory channels	4
Maximum memory size	768 GB (per socket)
Supported memory types	DDR3	DDR2
Compatibility
Max number of CPUs in a configuration	2	1
Sockets supported	LGA2011	LGA771
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Scenario Design Power (SDP)		0 W
Thermal Design Power (TDP)		65 Watt
Peripherals
PCI Express revision	3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
FSB parity
Idle States
Intel 64
Intel® Demand Based Switching
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)