Xeon w5-2555X vs i9-10940X

Place in the ranking	353	122
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	10.08	12.27
Architecture codename	Cascade Lake-X (2019)	no data
Release date	19 October 2019 (5 years ago)	1 July 2024 (less than a year ago)

Detailed specifications

Core i9-10940X and Xeon w5-2555X 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	28
Base clock speed	3.3 GHz	3.3 GHz
Boost clock speed	4.8 GHz	4.8 GHz
Bus rate	8 GT/s DMI3 MHz	no data
L1 cache	64K (per core)	no data
L2 cache	1 MB (per core)	no data
L3 cache	19.25 MB (shared)	33.75 MB Intel® Smart Cache
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	86 °C	75 °C
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	+

Compatibility

Information on Core i9-10940X and Xeon w5-2555X 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	1
Socket	FCLGA2066	FCLGA4677
Power consumption (TDP)	165 Watt	252 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10940X and Xeon w5-2555X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+

Security technologies

Core i9-10940X and Xeon w5-2555X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10940X and Xeon w5-2555X are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-10940X and Xeon w5-2555X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-4800
Maximum memory size	256 GB	2 TB
Max memory channels	4	4
Maximum memory bandwidth	94 GB/s	no data
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-10940X and Xeon w5-2555X.

PCIe version	3.0	5.0
PCI Express lanes	48	64

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.

i9-10940X 17.57

Xeon w5-2555X 32.68
+86%

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.

i9-10940X 27903

Xeon w5-2555X 51912
+86%