Xeon 6556P-B vs Gold 6140

Primary details

Comparing Xeon Gold 6140 and Xeon 6556P-B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	477	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.31	no data
Market segment	Server	Server
Series	Intel Xeon Gold	no data
Power efficiency	10.35	no data
Designer	Intel	Intel
Architecture codename	Skylake (server) (2017−2018)	Granite Rapids (2024−2025)
Release date	25 April 2017 (7 years ago)	24 February 2025 (recently)
Launch price (MSRP)	$2,445	$2,628

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6140 and Xeon 6556P-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	18 (Octadeca-Core)	36
Threads	36	72
Base clock speed	2.3 GHz	2.3 GHz
Boost clock speed	3.7 GHz	3.5 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	23	no data
L1 cache	1.125 MB	112 KB (per core)
L2 cache	18 MB	2 MB (per core)
L3 cache	24.75 MB	144 MB (shared)
Chip lithography	14 nm	5 nm
Die size	no data	598 mm2
Maximum core temperature	91 °C	no data
Maximum case temperature (TCase)	no data	85 °C
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Gold 6140 and Xeon 6556P-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	4 (Multiprocessor)	2
Socket	FCLGA3647	Intel BGA 4368
Power consumption (TDP)	140 Watt	215 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6140 and Xeon 6556P-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	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon Gold 6140 and Xeon 6556P-B technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6140 and Xeon 6556P-B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6140 and Xeon 6556P-B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	768 GB	no data
Max memory channels	6	no data
Maximum memory bandwidth	128.001 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 Gold 6140 and Xeon 6556P-B.

PCIe version	3.0	5.0
PCI Express lanes	48	32

Pros & cons summary

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Recency	25 April 2017	24 February 2025
Physical cores	18	36
Threads	36	72
Chip lithography	14 nm	5 nm
Power consumption (TDP)	140 Watt	215 Watt

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