Ryzen 7 5700U vs Athlon II X4 651K

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Primary details

Comparing Athlon II X4 651K and Ryzen 7 5700U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated765
Place by popularitynot in top-10016
Market segmentDesktop processorLaptop
Seriesno dataAMD Lucienne (Zen 2, Ryzen 5000)
Power efficiencyno data62.92
Architecture codenameLlano (2011−2012)Lucienne-U (Zen 2) (2021)
Release date14 November 2011 (12 years ago)12 January 2021 (3 years ago)

Detailed specifications

Athlon II X4 651K and Ryzen 7 5700U 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 GHz1.8 GHz
Boost clock speed3 GHz4.3 GHz
Multiplierno data18
L1 cache128 KB (per core)64K (per core)
L2 cache1 MB (per core)512K (per core)
L3 cache0 KB8 MB (shared)
Chip lithography32 nm7 nm
Die size228 mm2156 mm2
Maximum core temperatureno data105 °C
Number of transistors1,178 million9,800 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Athlon II X4 651K and Ryzen 7 5700U 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
SocketFM1FP6
Power consumption (TDP)100 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 651K and Ryzen 7 5700U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651K and Ryzen 7 5700U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651K and Ryzen 7 5700U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory sizeno data64 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 651K and Ryzen 7 5700U.

PCIe versionno data3.0
PCI Express lanesno data12

Pros & cons summary


Recency 14 November 2011 12 January 2021
Physical cores 4 8
Threads 4 16
Chip lithography 32 nm 7 nm
Power consumption (TDP) 100 Watt 15 Watt

Ryzen 7 5700U has an age advantage of 9 years, 100% more physical cores and 300% more threads, a 357.1% more advanced lithography process, and 566.7% lower power consumption.

We couldn't decide between Athlon II X4 651K and Ryzen 7 5700U. We've got no test results to judge.

Note that Athlon II X4 651K is a desktop processor while Ryzen 7 5700U is a notebook one.


Should you still have questions on choice between Athlon II X4 651K and Ryzen 7 5700U, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 651K
Athlon II X4 651K
AMD Ryzen 7 5700U
Ryzen 7 5700U

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Community ratings

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3.6 31 vote

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4.1 2967 votes

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Questions & comments

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