i7-14700KF vs Xeon E5645

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Aggregate performance score

Xeon E5645
2010
6 cores / 12 threads, 80 Watt
3.30
Core i7-14700KF
2023
20 cores / 28 threads, 125 Watt
34.94
+959%

Core i7-14700KF outperforms Xeon E5645 by a whopping 959% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5645 and Core i7-14700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1597111
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.2883.53
Market segmentServerDesktop processor
Power efficiency3.7625.49
Architecture codenameWestmere-EP (2010−2011)Raptor Lake-R (2023−2024)
Release date16 March 2010 (14 years ago)17 October 2023 (1 year ago)
Launch price (MSRP)$294$384

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-14700KF has 6426% better value for money than Xeon E5645.

Detailed specifications

Xeon E5645 and Core i7-14700KF 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 cores6 (Hexa-Core)20 (Icosa-Core)
Threads1228
Base clock speed2.4 GHz3.4 GHz
Boost clock speed2.67 GHz5.6 GHz
L1 cache64 KB (per core)80 KB (per core)
L2 cache256 KB (per core)2 MB (per core)
L3 cache12 MB (shared)33 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size239 mm2257 mm2
Maximum core temperature76 °C100 °C
Number of transistors1,170 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Xeon E5645 and Core i7-14700KF 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
SocketFCLGA1366,LGA1366FCLGA1700
Power consumption (TDP)80 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5645 and Core i7-14700KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology1.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring-+
Demand Based Switching+no data
PAE40 Bitno data
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Xeon E5645 and Core i7-14700KF technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5645 and Core i7-14700KF are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5645 and Core i7-14700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-5600, DDR4-3200
Maximum memory size288 GB192 GB
Max memory channels32
Maximum memory bandwidth32 GB/s89.6 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Xeon E5645 and Core i7-14700KF.

PCIe version2.05.0 and 4.0
PCI Express lanesno data16

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 E5645 3.30
i7-14700KF 34.94
+959%

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 E5645 5048
i7-14700KF 53478
+959%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E5645 363
i7-14700KF 2994
+725%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E5645 1773
i7-14700KF 19565
+1003%

Gaming performance

Pros & cons summary


Performance score 3.30 34.94
Recency 16 March 2010 17 October 2023
Physical cores 6 20
Threads 12 28
Power consumption (TDP) 80 Watt 125 Watt

Xeon E5645 has 56.3% lower power consumption.

i7-14700KF, on the other hand, has a 958.8% higher aggregate performance score, an age advantage of 13 years, and 233.3% more physical cores and 133.3% more threads.

The Core i7-14700KF is our recommended choice as it beats the Xeon E5645 in performance tests.

Be aware that Xeon E5645 is a server/workstation processor while Core i7-14700KF is a desktop one.


Should you still have questions on choice between Xeon E5645 and Core i7-14700KF, ask them in Comments section, and we shall answer.

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Intel Xeon E5645
Xeon E5645
Intel Core i7-14700KF
Core i7-14700KF

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Community ratings

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


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Questions & comments

Here you can ask a question about Xeon E5645 or Core i7-14700KF, agree or disagree with our judgements, or report an error or mismatch.