Ultra 7 265KF vs Athlon II X3 455

VS

Aggregate performance score

Athlon II X3 455
2010
3 cores / 3 threads, 95 Watt
1.18
Core Ultra 7 265KF
2024
20 cores / 20 threads, 125 Watt
37.07
+3042%

Core Ultra 7 265KF outperforms Athlon II X3 455 by a whopping 3042% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X3 455 and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking236589
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.5297.72
Market segmentDesktop processorDesktop processor
Power efficiency1.1828.07
Architecture codenameRana (2009−2011)Arrow Lake-S (2024−2025)
Release date7 December 2010 (14 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$88$379

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 7 265KF has 1670% better value for money than Athlon II X3 455.

Detailed specifications

Athlon II X3 455 and Core Ultra 7 265KF 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 cores3 (Tri-Core)20 (Icosa-Core)
Threads320
Base clock speed3.3 GHz3.9 GHz
Boost clock speed3.3 GHz5.5 GHz
L1 cache128 KB (per core)112 KB (per core)
L2 cache512 KB (per core)3 MB (per core)
L3 cache0 KB30 MB (shared)
Chip lithography45 nm3 nm
Die size169 mm2243 mm2
Number of transistors300 million17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Athlon II X3 455 and Core Ultra 7 265KF 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
SocketAM31851
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X3 455 and Core Ultra 7 265KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Athlon II X3 455 and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X3 455 and Core Ultra 7 265KF are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X3 455 and Core Ultra 7 265KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Athlon II X3 455 and Core Ultra 7 265KF.

PCIe version2.05.0
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.

Athlon II X3 455 1.18
Ultra 7 265KF 37.07
+3042%

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.

Athlon II X3 455 1879
Ultra 7 265KF 58883
+3034%

Gaming performance

Pros & cons summary


Performance score 1.18 37.07
Recency 7 December 2010 24 October 2024
Physical cores 3 20
Threads 3 20
Chip lithography 45 nm 3 nm
Power consumption (TDP) 95 Watt 125 Watt

Athlon II X3 455 has 31.6% lower power consumption.

Ultra 7 265KF, on the other hand, has a 3041.5% higher aggregate performance score, an age advantage of 13 years, 566.7% more physical cores and 566.7% more threads, and a 1400% more advanced lithography process.

The Core Ultra 7 265KF is our recommended choice as it beats the Athlon II X3 455 in performance tests.


Should you still have questions on choice between Athlon II X3 455 and Core Ultra 7 265KF, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Athlon II X3 455
Athlon II X3 455
Intel Core Ultra 7 265KF
Core Ultra 7 265KF

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Community ratings

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Questions & comments

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