Phenom II X4 925 vs Athlon II X4 651K

VS

Primary details

Comparing Athlon II X4 651K and Phenom II X4 925 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2178
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.11
Market segmentDesktop processorDesktop processor
Power efficiencyno data1.42
Architecture codenameLlano (2011−2012)Deneb (2009−2011)
Release date14 November 2011 (12 years ago)11 May 2009 (15 years ago)
Launch price (MSRP)no data$160

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 651K and Phenom II X4 925 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 speed3 GHz2.8 GHz
Boost clock speed3 GHz2.8 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache0 KB6 MB (shared)
Chip lithography32 nm45 nm
Die size228 mm2258 mm2
Number of transistors1,178 million758 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II X4 651K and Phenom II X4 925 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
SocketFM1AM3
Power consumption (TDP)100 Watt95 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651K and Phenom II X4 925 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651K and Phenom II X4 925. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

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 Athlon II X4 651K and Phenom II X4 925.

PCIe versionno data2.0

Pros & cons summary


Recency 14 November 2011 11 May 2009
Chip lithography 32 nm 45 nm
Power consumption (TDP) 100 Watt 95 Watt

Athlon II X4 651K has an age advantage of 2 years, and a 40.6% more advanced lithography process.

Phenom II X4 925, on the other hand, has 5.3% lower power consumption.

We couldn't decide between Athlon II X4 651K and Phenom II X4 925. We've got no test results to judge.


Should you still have questions on choice between Athlon II X4 651K and Phenom II X4 925, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 651K
Athlon II X4 651K
AMD Phenom II X4 925
Phenom II X4 925

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Community ratings

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3.6 31 vote

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3.9 322 votes

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