Xeon Gold 6346 vs Silver 4309Y

Place in the ranking	642	218
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	10.91	10.95
Architecture codename	Ice Lake-SP (2021)	Ice Lake-SP (2021)
Release date	6 April 2021 (3 years ago)	6 April 2021 (3 years ago)

Detailed specifications

Xeon Silver 4309Y and Xeon Gold 6346 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	2.8 GHz	3.1 GHz
Boost clock speed	3.6 GHz	3.6 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	12 MB (shared)	36 MB (shared)
Chip lithography	10 nm	10 nm
Maximum case temperature (TCase)	76 °C	78 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Silver 4309Y and Xeon Gold 6346 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	2
Socket	FCLGA4189	FCLGA4189
Power consumption (TDP)	105 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4309Y and Xeon Gold 6346. 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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Deep Learning Boost	+	+

Security technologies

Xeon Silver 4309Y and Xeon Gold 6346 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4309Y and Xeon Gold 6346 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4309Y and Xeon Gold 6346. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2667	DDR4-3200
Maximum memory size	6 TB	6 TB
Max memory channels	8	8
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4309Y and Xeon Gold 6346.

PCIe version	4.0	4.0
PCI Express lanes	64	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 Silver 4309Y 12.11

Xeon Gold 6346 23.71
+95.8%

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.

Xeon Silver 4309Y 19237

Xeon Gold 6346 37665
+95.8%