Phenom X4 9950 BE (140W) vs Xeon E5620

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Primary details

Comparing Xeon E5620 and Phenom X4 9950 BE (140W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1815not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.08no data
Market segmentServerDesktop processor
Power efficiency2.67no data
Architecture codenameWestmere-EP (2010−2011)Agena (2007−2008)
Release date16 March 2010 (14 years ago)March 2008 (16 years ago)
Launch price (MSRP)$35no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5620 and Phenom X4 9950 BE (140W) 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)4 (Quad-Core)
Threads84
Base clock speed2.4 GHzno data
Boost clock speed2.66 GHz2.6 GHz
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache12 MB (shared)2 MB (shared)
Chip lithography32 nm65 nm
Die size239 mm2285 mm2
Maximum core temperature78 °Cno data
Number of transistors1,170 million450 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Xeon E5620 and Phenom X4 9950 BE (140W) 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
SocketFCLGA1366,LGA1366AM2+
Power consumption (TDP)80 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5620 and Phenom X4 9950 BE (140W). You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching+no data
PAE40 Bitno data

Security technologies

Xeon E5620 and Phenom X4 9950 BE (140W) technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5620 and Phenom X4 9950 BE (140W) 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 E5620 and Phenom X4 9950 BE (140W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size288 GBno data
Max memory channels3no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E5620 and Phenom X4 9950 BE (140W).

PCIe version2.0no data

Pros & cons summary


Threads 8 4
Chip lithography 32 nm 65 nm
Power consumption (TDP) 80 Watt 140 Watt

Xeon E5620 has 100% more threads, a 103.1% more advanced lithography process, and 75% lower power consumption.

We couldn't decide between Xeon E5620 and Phenom X4 9950 BE (140W). We've got no test results to judge.

Be aware that Xeon E5620 is a server/workstation processor while Phenom X4 9950 BE (140W) is a desktop one.


Should you still have questions on choice between Xeon E5620 and Phenom X4 9950 BE (140W), ask them in Comments section, and we shall answer.

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Intel Xeon E5620
Xeon E5620
AMD Phenom X4 9950 BE (140W)
Phenom X4 9950 BE (140W)

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Community ratings

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3.2 127 votes

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3.5 13 votes

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Questions & comments

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