Ultra 5 245K vs K6-2/400ACK

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Primary details

Comparing K6-2/400ACK and Core Ultra 5 245K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated174
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data78.80
Market segmentLaptopDesktop processor
SeriesAMD K6-2no data
Power efficiencyno data21.00
Architecture codenameK6-2 (1998−1999)Arrow Lake-S (2024−2025)
Release date22 March 1999 (25 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)no data$309

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

K6-2/400ACK and Core Ultra 5 245K 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 cores1 (Single-Core)14 (Tetradeca-Core)
Threads114
Base clock speedno data4.2 GHz
Boost clock speed0.1 GHz5.2 GHz
Bus typeFSBno data
Bus rate99.99 MT/s159 MHz
Multiplier4no data
L1 cacheno data112 KB (per core)
L2 cacheno data3 MB (per core)
L3 cacheno data24 MB (shared)
Chip lithography0.25 µm3 nm
Die size81 mm2243 mm2
Number of transistors9 Million17,800 million
64 bit support-+
Unlocked multiplier-+

Compatibility

Information on K6-2/400ACK and Core Ultra 5 245K 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 configurationno data1
Socketno data1851
Power consumption (TDP)no data125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by K6-2/400ACK and Core Ultra 5 245K. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
TSX-+
SIPP-+

Security technologies

K6-2/400ACK and Core Ultra 5 245K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by K6-2/400ACK and Core Ultra 5 245K are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by K6-2/400ACK and Core Ultra 5 245K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5
Maximum memory size4 GBno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataArc Xe-LPG Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by K6-2/400ACK and Core Ultra 5 245K.

PCIe versionno data5.0
PCI Express lanesno data20

Pros & cons summary


Recency 22 March 1999 24 October 2024
Physical cores 1 14
Threads 1 14

Ultra 5 245K has an age advantage of 25 years, and 1300% more physical cores and 1300% more threads.

We couldn't decide between K6-2/400ACK and Core Ultra 5 245K. We've got no test results to judge.

Be aware that K6-2/400ACK is a notebook processor while Core Ultra 5 245K is a desktop one.


Should you still have questions on choice between K6-2/400ACK and Core Ultra 5 245K, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD K6-2/400ACK
K6-2/400ACK
Intel Core Ultra 5 245K
Core Ultra 5 245K

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Community ratings

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3.1 27 votes

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Questions & comments

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