Xeon 6776P-B vs W-2145

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	858	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.45	no data
Market segment	Server	Server
Series	Intel Xeon W	no data
Power efficiency	3.09	no data
Designer	Intel	Intel
Manufacturer	Intel	no data
Architecture codename	Skylake (server) (2017−2018)	no data
Release date	29 August 2017 (8 years ago)	1 October 2025 (recently)
Launch price (MSRP)	$1,113	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Xeon W-2145 and Xeon 6776P-B 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	8 (Octa-Core)	72 (Doheptaconta-Core)
Performance-cores	no data	72
Threads	16	144
Base clock speed	3.7 GHz	2.3 GHz
Boost clock speed	4.5 GHz	3.5 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	0 GT/s
Multiplier	37	no data
L1 cache	64K (per core)	no data
L2 cache	1 MB (per core)	no data
L3 cache	11 MB (shared)	288 MB
Chip lithography	14 nm	Intel 3 nm
Die size	484 mm2	no data
Maximum core temperature	no data	85 °C
Maximum case temperature (TCase)	70 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-2145 and Xeon 6776P-B 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)	no data
Socket	Socket R4	no data
Power consumption (TDP)	140 Watt	325 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Xeon 6776P-B. 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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512, Intel® AMX
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	-
QuickAssist	no data	+
Speed Shift	+	-
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	-	+

Security technologies

Xeon W-2145 and Xeon 6776P-B technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Xeon 6776P-B are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Xeon 6776P-B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	512 GB	2.25 TB
Max memory channels	4	8
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Xeon 6776P-B.

PCIe version	3.0	Gen4, Gen5
PCI Express lanes	48	48
Integrated LAN	no data	+

Pros & cons summary

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Recency	29 August 2017	1 October 2025
Physical cores	8	72
Threads	16	144
Power consumption (TDP)	140 Watt	325 Watt

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