Ultra 5 245KF vs Xeon W-2191B

VS

Aggregate performance score

Xeon W-2191B
2017
18 cores / 36 threads, 140 Watt
17.65
Core Ultra 5 245KF
2024
14 cores / 14 threads, 125 Watt
27.68
+56.8%

Core Ultra 5 245KF outperforms Xeon W-2191B by an impressive 57% based on our aggregate benchmark results.

Primary details

Comparing Xeon W-2191B and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking353176
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data82.57
Market segmentServerDesktop processor
SeriesIntel Xeon Wno data
Power efficiency11.9220.94
Architecture codenameSkylake (server) (2017−2018)Arrow Lake-S (2024−2025)
Release date21 December 2017 (7 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

Xeon W-2191B 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 cores18 (Octadeca-Core)14 (Tetradeca-Core)
Threads3614
Base clock speed2.3 GHz4.2 GHz
Boost clock speed4.3 GHz5.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier23no data
L1 cache64K (per core)112 KB (per core)
L2 cache1 MB (per core)3 MB (per core)
L3 cache24.75 MB (shared)24 MB (shared)
Chip lithography14 nm3 nm
Die size484 mm2243 mm2
Maximum case temperature (TCase)66 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Xeon W-2191B 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 configuration1 (Uniprocessor)1
Socket2066FCLGA1851
Power consumption (TDP)140 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2191B and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
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

Xeon W-2191B and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2191B and Core Ultra 5 245KF are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2191B and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5-6400
Maximum memory size512 GB192 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/sno data
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 W-2191B and Core Ultra 5 245KF.

PCIe version3.05.0 and 4.0
PCI Express lanes4820

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 W-2191B 17.65
Ultra 5 245KF 27.68
+56.8%

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 W-2191B 28034
Ultra 5 245KF 43973
+56.9%

Gaming performance

Pros & cons summary


Performance score 17.65 27.68
Recency 21 December 2017 24 October 2024
Physical cores 18 14
Threads 36 14
Chip lithography 14 nm 3 nm
Power consumption (TDP) 140 Watt 125 Watt

Xeon W-2191B has 28.6% more physical cores and 157.1% more threads.

Ultra 5 245KF, on the other hand, has a 56.8% higher aggregate performance score, an age advantage of 6 years, a 366.7% more advanced lithography process, and 12% lower power consumption.

The Core Ultra 5 245KF is our recommended choice as it beats the Xeon W-2191B in performance tests.

Be aware that Xeon W-2191B is a server/workstation processor while Core Ultra 5 245KF is a desktop one.


Should you still have questions on choice between Xeon W-2191B and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon W-2191B
Xeon W-2191B
Intel Core Ultra 5 245KF
Core Ultra 5 245KF

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Community ratings

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Questions & comments

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