Ultra 7 265K vs Xeon E5-2658

VS

Aggregate performance score

Xeon E5-2658
2012
8 cores / 16 threads, 95 Watt
3.82
Core Ultra 7 265K
2024
20 cores / 20 threads, 125 Watt
37.22
+874%

Core Ultra 7 265K outperforms Xeon E5-2658 by a whopping 874% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2658 and Core Ultra 7 265K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking147385
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.4194.56
Market segmentServerDesktop processor
Power efficiency3.8128.18
Architecture codenameSandy Bridge-EP (2012)Arrow Lake-S (2024−2025)
Release date6 March 2012 (12 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$1,462$394

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 7 265K has 22963% better value for money than Xeon E5-2658.

Detailed specifications

Xeon E5-2658 and Core Ultra 7 265K 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 cores8 (Octa-Core)20 (Icosa-Core)
Threads1620
Base clock speed2.1 GHz3.9 GHz
Boost clock speed2.4 GHz5.5 GHz
L1 cache64 KB (per core)112 KB (per core)
L2 cache256 KB (per core)3 MB (per core)
L3 cache20480 KB (shared)30 MB (shared)
Chip lithography32 nm3 nm
Die size435 mm2243 mm2
Number of transistors2,270 million17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Xeon E5-2658 and Core Ultra 7 265K 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 configuration21
Socket20111851
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2658 and Core Ultra 7 265K. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2658 and Core Ultra 7 265K technologies aimed at improving security, for example, by protecting against hacks.

TXT++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2658 and Core Ultra 7 265K are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2658 and Core Ultra 7 265K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5 Depends on motherboard

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataArc Xe2 Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2658 and Core Ultra 7 265K.

PCIe version3.05.0
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.

Xeon E5-2658 3.82
Ultra 7 265K 37.22
+874%

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.

Xeon E5-2658 6073
Ultra 7 265K 59118
+873%

Gaming performance

Pros & cons summary


Performance score 3.82 37.22
Recency 6 March 2012 24 October 2024
Physical cores 8 20
Threads 16 20
Chip lithography 32 nm 3 nm
Power consumption (TDP) 95 Watt 125 Watt

Xeon E5-2658 has 31.6% lower power consumption.

Ultra 7 265K, on the other hand, has a 874.3% higher aggregate performance score, an age advantage of 12 years, 150% more physical cores and 25% more threads, and a 966.7% more advanced lithography process.

The Core Ultra 7 265K is our recommended choice as it beats the Xeon E5-2658 in performance tests.

Be aware that Xeon E5-2658 is a server/workstation processor while Core Ultra 7 265K is a desktop one.


Should you still have questions on choice between Xeon E5-2658 and Core Ultra 7 265K, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon E5-2658
Xeon E5-2658
Intel Core Ultra 7 265K
Core Ultra 7 265K

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Community ratings

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


3.8 4 votes

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4.3 87 votes

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Questions & comments

Here you can ask a question about Xeon E5-2658 or Core Ultra 7 265K, agree or disagree with our judgements, or report an error or mismatch.