Xeon w7-3445 vs Gold 6426Y

Place in performance ranking	154	138
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Sapphire Rapids	Sapphire Rapids
Release date	10 January 2023 (1 year ago)	1 January 2023 (1 year ago)

Detailed specifications

Xeon Gold 6426Y and Xeon w7-3445 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	16 (Hexadeca-Core)	20 (Icosa-Core)
Threads	32	40
Base clock speed	2.5 GHz	2.6 GHz
Boost clock speed	4.1 GHz	4.8 GHz
L1 cache	80K (per core)	80K (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	37.5 MB	52.5 MB
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	no data	4x 477 mm²
Maximum core temperature	80 °C	72 °C
Maximum case temperature (TCase)	80 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6426Y and Xeon w7-3445 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	1
Socket	FCLGA4677	FCLGA4677
Power consumption (TDP)	185 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6426Y and Xeon w7-3445. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
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 Gold 6426Y and Xeon w7-3445 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 Gold 6426Y and Xeon w7-3445 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6426Y and Xeon w7-3445. Depending on the motherboard, higher memory frequencies may be supported.

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

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6426Y and Xeon w7-3445.

PCIe version	5	5.0
PCI Express lanes	80	112

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 Gold 6426Y 26.91

Xeon w7-3445 29.21
+8.5%

w7-3445 outperforms Gold 6426Y by 9% based on our aggregated benchmark results.

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 Gold 6426Y 41625

Xeon w7-3445 45188
+8.6%

w7-3445 outperforms Gold 6426Y by 9% in Passmark.