Xeon E5-2640 v3 vs Silver 4208

General info

Comparing Xeon Silver 4208 and Xeon E5-2640 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	877	886
Place by popularity	not in top-100	not in top-100
Value for money	13.24	6.12
Market segment	Server	Server
Series	Intel Xeon Silver	no data
Architecture codename	Cascade Lake (2019−2020)	Haswell-EP (2014)
Release date	2 April 2019 (5 years old)	8 September 2014 (9 years old)
Launch price (MSRP)	$417	no data
Current price	$459 (1.1x MSRP)	$219

Xeon Silver 4208 has 116% better value for money than Xeon E5-2640 v3.

Technical specs

Xeon Silver 4208 and Xeon E5-2640 v3 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)	8 (Octa-Core)
Threads	16	16
Base clock speed	2.1 GHz	2.6 GHz
Boost clock speed	3.2 GHz	3.4 GHz
L1 cache	512 KB	64K (per core)
L2 cache	8 MB	256K (per core)
L3 cache	11 MB	20 MB (shared)
Chip lithography	14 nm	22 nm
Die size	no data	356 mm2
Maximum core temperature	78 °C	74 °C
Number of transistors	no data	2,600 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon Silver 4208 and Xeon E5-2640 v3 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 (Multiprocessor)	2
Socket	FCLGA3647	FCLGA2011
Power consumption (TDP)	85 Watt	90 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 and Xeon E5-2640 v3. 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® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	-
Demand Based Switching	no data	+
PAE	no data	46 Bit
Turbo Boost Max 3.0	-	no data
Status	Launched	Discontinued

Security technologies

Xeon Silver 4208 and Xeon E5-2640 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
Identity Protection	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4208 and Xeon E5-2640 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4208 and Xeon E5-2640 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-1600, DDR4-1866
Maximum memory size	1 TB	768 GB
Max memory channels	6	4
Maximum memory bandwidth	115.212 GB/s	59 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and Xeon E5-2640 v3.

PCIe version	3.0	3.0
PCI Express lanes	48	40

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.

Silver 4208 outperforms E5-2640 v3 by 2% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	7.42	7.30
Recency	2 April 2019	8 September 2014
Chip lithography	14 nm	22 nm
Power consumption (TDP)	85 Watt	90 Watt

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Should you still have questions on choice between Xeon Silver 4208 and Xeon E5-2640 v3, ask them in Comments section, and we shall answer.

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