Ultra 7 155U vs Athlon X2 4450e

Primary details

Comparing Athlon X2 4450e and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated733
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Meteor Lake-U
Power efficiencyno data66.41
Architecture codenameBrisbane (2007−2008)Meteor Lake-P (2023)
Release dateApril 2008 (16 years ago)14 December 2023 (less than a year ago)
Launch price (MSRP)no data$490

Detailed specifications

Athlon X2 4450e and Core Ultra 7 155U 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 cores2 (Dual-core)12 (Dodeca-Core)
Threads214
Base clock speedno data1.7 GHz
Boost clock speed2.3 GHz4.8 GHz
L1 cache256 KB112 KB (per core)
L2 cache512 KB2 MB (per core)
L3 cache0 KB12 MB (shared)
Chip lithography65 nmIntel 4 nm
Die size126 mm2no data
Maximum core temperatureno data110 °C
Number of transistors154 millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Athlon X2 4450e and Core Ultra 7 155U 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
SocketAM2FCBGA2049
Power consumption (TDP)45 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X2 4450e and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, ONNX RT

Security technologies

Athlon X2 4450e and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X2 4450e and Core Ultra 7 155U are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X2 4450e and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5
Maximum memory sizeno data96 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Graphics
Quick Sync Video-+
Graphics max frequencyno data1.95 GHz

Graphics interfaces

Available interfaces and connections of Athlon X2 4450e and Core Ultra 7 155U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Athlon X2 4450e and Core Ultra 7 155U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data3840x2400 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Athlon X2 4450e and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.

DirectXno data12.2
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Athlon X2 4450e and Core Ultra 7 155U.

PCIe versionno data4.0
PCI Express lanesno data12
PCI supportno data4.0

Pros & cons summary


Physical cores 2 12
Threads 2 14
Power consumption (TDP) 45 Watt 15 Watt

Ultra 7 155U has 500% more physical cores and 600% more threads, and 200% lower power consumption.

We couldn't decide between Athlon X2 4450e and Core Ultra 7 155U. We've got no test results to judge.

Note that Athlon X2 4450e is a desktop processor while Core Ultra 7 155U is a notebook one.


Should you still have questions on choice between Athlon X2 4450e and Core Ultra 7 155U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Athlon X2 4450e
Athlon X2 4450e
Intel Core Ultra 7 155U
Core Ultra 7 155U

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.6 43 votes

Rate Athlon X2 4450e on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.3 70 votes

Rate Core Ultra 7 155U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon X2 4450e or Core Ultra 7 155U, agree or disagree with our judgements, or report an error or mismatch.