Ultra 5 245KF vs A8-3520M

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Aggregate performance score

A8-3520M
2011
4 cores / 4 threads, 35 Watt
0.91
Core Ultra 5 245KF
2024
14 cores / 14 threads, 125 Watt
27.68
+2942%

Core Ultra 5 245KF outperforms A8-3520M by a whopping 2942% based on our aggregate benchmark results.

Primary details

Comparing A8-3520M and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2543176
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data82.57
Market segmentLaptopDesktop processor
SeriesAMD A-Seriesno data
Power efficiency2.4620.96
Architecture codenameLlano (2011−2012)Arrow Lake-S (2024−2025)
Release date20 December 2011 (13 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)no data$294

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A8-3520M and Core Ultra 5 245KF 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)14 (Tetradeca-Core)
Threads414
Base clock speed1.6 GHz4.2 GHz
Boost clock speed2.5 GHz5.2 GHz
L1 cache128 KB (per core)112 KB (per core)
L2 cache1 MB (per core)3 MB (per core)
L3 cache0 KB24 MB (shared)
Chip lithography32 nm3 nm
Die size228 mm2243 mm2
Number of transistors1,178 million17,800 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on A8-3520M and Core Ultra 5 245KF 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
SocketFS1FCLGA1851
Power consumption (TDP)35 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3520M and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

Instruction set extensions3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6620GIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

A8-3520M and Core Ultra 5 245KF 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 A8-3520M and Core Ultra 5 245KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-3520M and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-6400
Maximum memory sizeno data192 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 6620G (444 MHz)N/A

Peripherals

Specifications and connection of peripherals supported by A8-3520M and Core Ultra 5 245KF.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

A8-3520M 0.91
Ultra 5 245KF 27.68
+2942%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A8-3520M 1441
Ultra 5 245KF 43973
+2952%

Gaming performance

Pros & cons summary


Performance score 0.91 27.68
Recency 20 December 2011 24 October 2024
Physical cores 4 14
Threads 4 14
Chip lithography 32 nm 3 nm
Power consumption (TDP) 35 Watt 125 Watt

A8-3520M has 257.1% lower power consumption.

Ultra 5 245KF, on the other hand, has a 2941.8% higher aggregate performance score, an age advantage of 12 years, 250% more physical cores and 250% more threads, and a 966.7% more advanced lithography process.

The Core Ultra 5 245KF is our recommended choice as it beats the A8-3520M in performance tests.

Be aware that A8-3520M is a notebook processor while Core Ultra 5 245KF is a desktop one.


Should you still have questions on choice between A8-3520M and Core Ultra 5 245KF, 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 A8-3520M
A8-3520M
Intel Core Ultra 5 245KF
Core Ultra 5 245KF

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Community ratings

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


3.6 103 votes

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Questions & comments

Here you can ask a question about A8-3520M or Core Ultra 5 245KF, agree or disagree with our judgements, or report an error or mismatch.