Ultra 5 245KF vs Xeon W-2170B

Primary details

Comparing Xeon W-2170B and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	458	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Series	Intel Xeon W	no data
Power efficiency	10.17	no data
Architecture codename	Skylake (server) (2017−2019)	Arrow Lake-S (2024−2025)
Release date	21 December 2017 (6 years ago)	24 October 2024 (recently)
Launch price (MSRP)	no data	$294

Detailed specifications

Xeon W-2170B 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 cores	14 (Tetradeca-Core)	14 (Tetradeca-Core)
Threads	28	14
Base clock speed	2.5 GHz	4.2 GHz
Boost clock speed	4.3 GHz	5.2 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	25	no data
L1 cache	64K (per core)	112 KB (per core)
L2 cache	1 MB (per core)	3 MB (per core)
L3 cache	19.25 MB (shared)	24 MB (shared)
Chip lithography	14 nm	3 nm
Die size	484 mm2	243 mm2
Maximum case temperature (TCase)	66 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon W-2170B 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 configuration	1 (Uniprocessor)	1
Socket	2066	1851
Power consumption (TDP)	140 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2170B and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon W-2170B and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2170B and Core Ultra 5 245KF are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2170B and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon W-2170B and Core Ultra 5 245KF.

PCIe version	3.0	5.0
PCI Express lanes	48	20

Pros & cons summary

---

Recency	21 December 2017	24 October 2024
Threads	28	14
Chip lithography	14 nm	3 nm
Power consumption (TDP)	140 Watt	125 Watt

---

Should you still have questions on choice between Xeon W-2170B and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---