Xeon Gold 6338 vs E5-4640

Primary details

Comparing Xeon E5-4640 and Xeon Gold 6338 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1250	222
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.22	10.77
Market segment	Server	Server
Architecture codename	Sandy Bridge-EP (2012)	no data
Release date	14 May 2012 (12 years ago)	1 April 2021 (3 years ago)
Launch price (MSRP)	$2,730	no data
Current price	$2336 (0.9x MSRP)	$3418

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6338 has 4795% better value for money than Xeon E5-4640.

Detailed specifications

Xeon E5-4640 and Xeon Gold 6338 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)	32 (Dotriaconta-Core)
Threads	16	64
Base clock speed	2.4 GHz	2 GHz
Boost clock speed	2.8 GHz	3.2 GHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	20480 KB (shared)	48 MB
Chip lithography	32 nm	10 nm
Die size	435 mm2	no data
Maximum core temperature	no data	81 °C
Number of transistors	2,270 million	no data
64 bit support	+	-
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-4640 and Xeon Gold 6338 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	4	no data
Socket	FCLGA2011	FCLGA4189
Power consumption (TDP)	95 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-4640 and Xeon Gold 6338. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-4640 and Xeon Gold 6338 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 E5-4640 and Xeon Gold 6338 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-4640 and Xeon Gold 6338. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	384 GB	6 TB
Max memory channels	4	8
Maximum memory bandwidth	51.2 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-4640 and Xeon Gold 6338.

PCIe version	3.0	4.0
PCI Express lanes	40	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 6338 outperforms E5-4640 by 383% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	4.53	21.86
Recency	14 May 2012	1 April 2021
Physical cores	8	32
Threads	16	64
Chip lithography	32 nm	10 nm
Power consumption (TDP)	95 Watt	205 Watt

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Should you still have questions on choice between Xeon E5-4640 and Xeon Gold 6338, ask them in Comments section, and we shall answer.

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