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.

 

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 752
PassMark - CPU mark 783

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 172 201
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)