Xeon Gold 6346 vs Opteron 840

Primary details

Comparing Opteron 840 and Xeon Gold 6346 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	213
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	no data	10.95
Architecture codename	SledgeHammer (2003−2005)	Ice Lake-SP (2021)
Release date	September 2003 (21 year ago)	6 April 2021 (3 years ago)

Detailed specifications

Opteron 840 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	1 (Single-Core)	16 (Hexadeca-Core)
Threads	1	32
Base clock speed	no data	3.1 GHz
Boost clock speed	1.4 GHz	3.6 GHz
L1 cache	128 KB	64K (per core)
L2 cache	1 MB	1 MB (per core)
L3 cache	0 KB	36 MB (shared)
Chip lithography	130 nm	10 nm
Die size	193 mm2	no data
Maximum case temperature (TCase)	no data	78 °C
Number of transistors	106 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Opteron 840 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	1	2
Socket	940	FCLGA4189
Power consumption (TDP)	85 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Opteron 840 and Xeon Gold 6346. You'll probably need this information if you require some particular technology.

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

Security technologies

Opteron 840 and Xeon Gold 6346 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 840 and Xeon Gold 6346 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Opteron 840 and Xeon Gold 6346. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4-3200
Maximum memory size	no data	6 TB
Max memory channels	no data	8
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Opteron 840 and Xeon Gold 6346.

PCIe version	no data	4.0
PCI Express lanes	no data	64

Pros & cons summary

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Physical cores	1	16
Threads	1	32
Chip lithography	130 nm	10 nm
Power consumption (TDP)	85 Watt	205 Watt

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