Xeon Gold 6558Q vs W-2255

Primary details

Comparing Xeon W-2255 and Xeon Gold 6558Q processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	512	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	8.09	no data
Release date	1 October 2019 (5 years ago)	1 October 2023 (1 year ago)

Detailed specifications

Xeon W-2255 and Xeon Gold 6558Q 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	10 (Deca-Core)	32 (Dotriaconta-Core)
Threads	20	64
Base clock speed	3.7 GHz	3.2 GHz
Boost clock speed	4.7 GHz	4.1 GHz
Bus rate	8 GT/s	no data
L3 cache	19.25 MB	60 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	62 °C	66 °C
64 bit support	+	-
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-2255 and Xeon Gold 6558Q 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	no data
Socket	FCLGA2066	FCLGA4677
Power consumption (TDP)	165 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2255 and Xeon Gold 6558Q. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	+

Security technologies

Xeon W-2255 and Xeon Gold 6558Q technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	Yes with Intel® SPS
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2255 and Xeon Gold 6558Q are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2255 and Xeon Gold 6558Q. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-5200
Maximum memory size	1 TB	4 TB
Max memory channels	4	8
Maximum memory bandwidth	93.85 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-2255 and Xeon Gold 6558Q.

PCIe version	3.0	5.0
PCI Express lanes	48	80

Pros & cons summary

---

Recency	1 October 2019	1 October 2023
Physical cores	10	32
Threads	20	64
Power consumption (TDP)	165 Watt	350 Watt

---

Should you still have questions on choice between Xeon W-2255 and Xeon Gold 6558Q, 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.

---