i3-8121U vs Phenom II X4 955 (125W)

Primary details

Comparing Phenom II X4 955 (125W) and Core i3-8121U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1683
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i3
Power efficiencyno data17.46
Architecture codenameDeneb (2009−2011)Coffee Lake-U (2018−2019)
Release date1 April 2009 (15 years ago)15 May 2018 (6 years ago)

Detailed specifications

Phenom II X4 955 (125W) and Core i3-8121U 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)2 (Dual-core)
Threads44
Base clock speed3.2 GHz2.2 GHz
Boost clock speed3.2 GHz3.2 GHz
Bus typeno dataOPI
Bus rateno data4 GT/s
Multiplierno data22
L1 cache128 KB (per core)128 KB
L2 cache512 KB (per core)512 KB
L3 cache6 MB (shared)4 MB (shared)
Chip lithography45 nm10 nm
Die size258 mm2123 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors758 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom II X4 955 (125W) and Core i3-8121U 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 (Uniprocessor)
SocketAM3Intel BGA1440
Power consumption (TDP)125 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 955 (125W) and Core i3-8121U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
vProno data-
Enhanced SpeedStep (EIST)no data+
QuickAssistno data-
Speed Shiftno data+
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Smart Responseno data+
Demand Based Switchingno data-
HD Audiono data+
RSTno data+

Security technologies

Phenom II X4 955 (125W) and Core i3-8121U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
MPX-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 955 (125W) and Core i3-8121U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 955 (125W) and Core i3-8121U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Iris Pro Plus

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 955 (125W) and Core i3-8121U.

PCIe version2.03.0
PCI Express lanesno data16

Pros & cons summary


Recency 1 April 2009 15 May 2018
Physical cores 4 2
Chip lithography 45 nm 10 nm
Power consumption (TDP) 125 Watt 15 Watt

Phenom II X4 955 (125W) has 100% more physical cores.

i3-8121U, on the other hand, has an age advantage of 9 years, a 350% more advanced lithography process, and 733.3% lower power consumption.

We couldn't decide between Phenom II X4 955 (125W) and Core i3-8121U. We've got no test results to judge.

Note that Phenom II X4 955 (125W) is a desktop processor while Core i3-8121U is a notebook one.


Should you still have questions on choice between Phenom II X4 955 (125W) and Core i3-8121U, 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 Core i3-8121U
Core i3-8121U

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Community ratings

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4 253 votes

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