Xeon Gold 6423N vs w7-3455

Place in performance ranking	83	79
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Sapphire Rapids	no data
Release date	1 January 2023 (1 year ago)	1 July 2023 (less than a year ago)

Detailed specifications

Xeon w7-3455 and Xeon Gold 6423N 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)	28 (Octacosa-Core)
Threads	48	56
Base clock speed	2.5 GHz	2 GHz
Boost clock speed	4.8 GHz	3.6 GHz
L1 cache	80K (per core)	no data
L2 cache	2 MB (per core)	no data
L3 cache	67.5 MB	52.5 MB
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	4x 477 mm²	no data
Maximum core temperature	72 °C	85 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	-
Windows 11 compatibility	+	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon w7-3455 and Xeon Gold 6423N 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	FCLGA4677	FCLGA4677
Power consumption (TDP)	270 Watt	195 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon w7-3455 and Xeon Gold 6423N. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon w7-3455 and Xeon Gold 6423N technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon w7-3455 and Xeon Gold 6423N are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon w7-3455 and Xeon Gold 6423N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-4400
Maximum memory size	4 TB	4 TB
Max memory channels	8	8
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon w7-3455 and Xeon Gold 6423N.

PCIe version	5.0	4
PCI Express lanes	112	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.

Xeon w7-3455 36.96

Xeon Gold 6423N 37.13
+0.5%

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.

Benchmark coverage: 68%

Xeon w7-3455 57164

Xeon Gold 6423N 57434
+0.5%