Xeon E5-2450 v2 vs Phenom II X4 955 (125W)

Primary details

Comparing Phenom II X4 955 (125W) and Xeon E5-2450 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1124
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiencyno data5.67
Architecture codenameDeneb (2009−2011)Ivy Bridge-EN (2013−2014)
Release date1 April 2009 (15 years ago)1 September 2013 (11 years ago)

Detailed specifications

Phenom II X4 955 (125W) and Xeon E5-2450 v2 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 cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed3.2 GHz2.5 GHz
Boost clock speed3.2 GHz3.3 GHz
Bus rateno data8 GT/s
L1 cache128 KB (per core)64 KB (per core)
L2 cache512 KB (per core)256 KB (per core)
L3 cache6 MB (shared)20 MB (shared)
Chip lithography45 nm22 nm
Die size258 mm2160 mm2
Maximum core temperatureno data80 °C
Number of transistors758 million1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom II X4 955 (125W) and Xeon E5-2450 v2 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 configuration12
SocketAM3FCLGA1356
Power consumption (TDP)125 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 955 (125W) and Xeon E5-2450 v2. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data-
Demand Based Switchingno data+
PAEno data46 Bit

Security technologies

Phenom II X4 955 (125W) and Xeon E5-2450 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 955 (125W) and Xeon E5-2450 v2 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 955 (125W) and Xeon E5-2450 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory sizeno data384 GB
Max memory channelsno data3
Maximum memory bandwidthno data38.4 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 955 (125W) and Xeon E5-2450 v2.

PCIe version2.03.0
PCI Express lanesno data24

Pros & cons summary


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

Xeon E5-2450 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 Phenom II X4 955 (125W) and Xeon E5-2450 v2. We've got no test results to judge.

Note that Phenom II X4 955 (125W) is a desktop processor while Xeon E5-2450 v2 is a server/workstation one.


Should you still have questions on choice between Phenom II X4 955 (125W) and Xeon E5-2450 v2, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 955 (125W)
Phenom II X4 955 (125W)
Intel Xeon E5-2450 v2
Xeon E5-2450 v2

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Community ratings

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