Xeon Phi 7255 vs Gold 6342

Primary details

Comparing Xeon Gold 6342 and Xeon Phi 7255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	141	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	12.26	no data
Architecture codename	Ice Lake-SP (2021)	no data
Release date	6 April 2021 (3 years ago)	1 October 2017 (7 years ago)

Detailed specifications

Xeon Gold 6342 and Xeon Phi 7255 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	24 (Tetracosa-Core)	68 (Octahexaconta-Core)
Threads	48	68
Base clock speed	2.8 GHz	1.1 GHz
Boost clock speed	3.5 GHz	1.2 GHz
L1 cache	64K (per core)	no data
L2 cache	1 MB (per core)	no data
L3 cache	36 MB (shared)	34 MB L2 Cache
Chip lithography	10 nm	14 nm
Maximum core temperature	no data	82 °C
Maximum case temperature (TCase)	81 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
VID voltage range	no data	0.550-1.2V

Compatibility

Information on Xeon Gold 6342 and Xeon Phi 7255 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	2	no data
Socket	FCLGA4189	no data
Power consumption (TDP)	230 Watt	215 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6342 and Xeon Phi 7255. 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® AVX-512
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	no data	+
Thermal Monitoring	-	+
Deep Learning Boost	+	-

Security technologies

Xeon Gold 6342 and Xeon Phi 7255 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
SGX	Yes with Intel® SPS	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6342 and Xeon Phi 7255 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6342 and Xeon Phi 7255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4-2400
Maximum memory size	6 TB	384 GB
Max memory channels	8	6
Maximum memory bandwidth	no data	115.2 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6342 and Xeon Phi 7255.

PCIe version	4.0	3.0
PCI Express lanes	64	36

Pros & cons summary

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Recency	6 April 2021	1 October 2017
Physical cores	24	68
Threads	48	68
Chip lithography	10 nm	14 nm
Power consumption (TDP)	230 Watt	215 Watt

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