Phenom II X4 955 (125W) vs Xeon E5-2650 v2

#ad 
Buy on Amazon
VS

Primary details

Comparing Xeon E5-2650 v2 and Phenom II X4 955 (125W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1085not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.46no data
Market segmentServerDesktop processor
Power efficiency6.19no data
Architecture codenameIvy Bridge-EP (2013)Deneb (2009−2011)
Release date1 September 2013 (11 years ago)1 April 2009 (15 years ago)
Launch price (MSRP)$650no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2650 v2 and Phenom II X4 955 (125W) basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores8 (Octa-Core)4 (Quad-Core)
Threads164
Base clock speed2.6 GHz3.2 GHz
Boost clock speed3.4 GHz3.2 GHz
Bus rate8 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache20 MB (shared)6 MB (shared)
Chip lithography22 nm45 nm
Die size160 mm2258 mm2
Maximum core temperature75 °Cno data
Number of transistors1,400 million758 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2650 v2 and Phenom II X4 955 (125W) compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration21
SocketFCLGA2011AM3
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2650 v2 and Phenom II X4 955 (125W). You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+no data
PAE46 Bitno data

Security technologies

Xeon E5-2650 v2 and Phenom II X4 955 (125W) technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2650 v2 and Phenom II X4 955 (125W) are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2650 v2 and Phenom II X4 955 (125W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size768 GBno data
Max memory channels4no data
Maximum memory bandwidth59.7 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2650 v2 and Phenom II X4 955 (125W).

PCIe version3.02.0
PCI Express lanes40no data

Pros & cons summary


Recency 1 September 2013 1 April 2009
Physical cores 8 4
Threads 16 4
Chip lithography 22 nm 45 nm
Power consumption (TDP) 95 Watt 125 Watt

Xeon E5-2650 v2 has an age advantage of 4 years, 100% more physical cores and 300% more threads, a 104.5% more advanced lithography process, and 31.6% lower power consumption.

We couldn't decide between Xeon E5-2650 v2 and Phenom II X4 955 (125W). We've got no test results to judge.

Be aware that Xeon E5-2650 v2 is a server/workstation processor while Phenom II X4 955 (125W) is a desktop one.


Should you still have questions on choice between Xeon E5-2650 v2 and Phenom II X4 955 (125W), ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon E5-2650 v2
Xeon E5-2650 v2
AMD Phenom II X4 955 (125W)
Phenom II X4 955 (125W)

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 4553 votes

Rate Xeon E5-2650 v2 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 266 votes

Rate Phenom II X4 955 (125W) on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon E5-2650 v2 or Phenom II X4 955 (125W), agree or disagree with our judgements, or report an error or mismatch.