Xeon Gold 6336Y vs E5645

Primary details

Comparing Xeon E5645 and Xeon Gold 6336Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1518	138
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.99	25.52
Market segment	Server	Server
Architecture codename	Westmere-EP (2010−2011)	Ice Lake-SP (2021)
Release date	16 March 2010 (14 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$294	no data
Current price	$74 (0.3x MSRP)	$2198

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6336Y has 2478% better value for money than Xeon E5645.

Detailed specifications

Xeon E5645 and Xeon Gold 6336Y 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	6 (Hexa-Core)	24 (Tetracosa-Core)
Threads	12	48
Base clock speed	2.4 GHz	2.4 GHz
Boost clock speed	2.67 GHz	3.6 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	12 MB (shared)	36 MB (shared)
Chip lithography	32 nm	10 nm
Die size	239 mm2	no data
Maximum core temperature	76 °C	80 °C
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5645 and Xeon Gold 6336Y 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	FCLGA1366,LGA1366	FCLGA4189
Power consumption (TDP)	80 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5645 and Xeon Gold 6336Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	+
Idle States	+	no data
Thermal Monitoring	-	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	Launched

Security technologies

Xeon E5645 and Xeon Gold 6336Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5645 and Xeon Gold 6336Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5645 and Xeon Gold 6336Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	288 GB	6 TB
Max memory channels	3	8
Maximum memory bandwidth	32 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5645 and Xeon Gold 6336Y.

PCIe version	2.0	4.0
PCI Express lanes	no data	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.

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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.

Gold 6336Y outperforms E5645 by 803% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	3.26	29.43
Recency	16 March 2010	6 April 2021
Physical cores	6	24
Threads	12	48
Chip lithography	32 nm	10 nm
Power consumption (TDP)	80 Watt	185 Watt

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Should you still have questions on choice between Xeon E5645 and Xeon Gold 6336Y, ask them in Comments section, and we shall answer.

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