Phenom X4 9950 BE (125W) vs Athlon II X4 620

Primary details

Comparing Athlon II X4 620 and Phenom X4 9950 BE (125W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2299not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.43no data
Market segmentDesktop processorDesktop processor
Power efficiency1.27no data
Architecture codenamePropus (2009−2011)Agena (2007−2008)
Release date16 September 2009 (15 years ago)October 2008 (16 years ago)
Launch price (MSRP)$65no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 620 and Phenom X4 9950 BE (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 cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speed2.6 GHzno data
Boost clock speed2.6 GHz2.6 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache512 KB (per core)512 KB (per core)
L3 cache0 KB2 MB (shared)
Chip lithography45 nm65 nm
Die size169 mm2285 mm2
Number of transistors300 million450 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Athlon II X4 620 and Phenom X4 9950 BE (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 configuration11
SocketAM3AM2+
Power consumption (TDP)95 Watt125 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 620 and Phenom X4 9950 BE (125W) are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 620 and Phenom X4 9950 BE (125W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

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 Athlon II X4 620 and Phenom X4 9950 BE (125W).

PCIe version2.0no data

Pros & cons summary


Chip lithography 45 nm 65 nm
Power consumption (TDP) 95 Watt 125 Watt

Athlon II X4 620 has a 44.4% more advanced lithography process, and 31.6% lower power consumption.

We couldn't decide between Athlon II X4 620 and Phenom X4 9950 BE (125W). We've got no test results to judge.


Should you still have questions on choice between Athlon II X4 620 and Phenom X4 9950 BE (125W), ask them in Comments section, and we shall answer.

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AMD Athlon II X4 620
Athlon II X4 620
AMD Phenom X4 9950 BE (125W)
Phenom X4 9950 BE (125W)

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Community ratings

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3.5 194 votes

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3.4 51 vote

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Questions & comments

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