Xeon E5-2699R v4 vs E5-4640

Primary details

Comparing Xeon E5-4640 and Xeon E5-2699R v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1249	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.68	no data
Market segment	Server	Laptop
Series	no data	Intel Xeon E5
Architecture codename	Sandy Bridge-EP (2012)	Broadwell (2015−2019)
Release date	14 May 2012 (12 years ago)	25 October 2016 (7 years ago)
Launch price (MSRP)	$2,730	$4,560
Current price	$767 (0.3x MSRP)	$49 (0x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-4640 and Xeon E5-2699R v4 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)	22 (Docosa-Core)
Threads	16	44
Base clock speed	2.4 GHz	no data
Boost clock speed	2.8 GHz	2.2 GHz
Bus support	no data	2 × 9.6 GT/s
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	5.5 MB
L3 cache	20480 KB (shared)	55 MB
Chip lithography	32 nm	14 nm
Die size	435 mm2	456.12 mm2
Number of transistors	2,270 million	7200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-4640 and Xeon E5-2699R v4 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	2 (Multiprocessor)
Socket	FCLGA2011	no data
Power consumption (TDP)	95 Watt	145 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-4640 and Xeon E5-2699R v4. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	no data	+
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
Demand Based Switching	+	no data
Status	Discontinued	no data

Security technologies

Xeon E5-4640 and Xeon E5-2699R v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-4640 and Xeon E5-2699R v4 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 Xeon E5-4640 and Xeon E5-2699R v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	384 GB	1,536 GB
Max memory channels	4	no data
Maximum memory bandwidth	51.2 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-4640 and Xeon E5-2699R v4.

PCIe version	3.0	3.0
PCI Express lanes	40	40

Pros & cons summary

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Recency	14 May 2012	25 October 2016
Physical cores	8	22
Threads	16	44
Cost	$2730	$4560
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	145 Watt

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Should you still have questions on choice between Xeon E5-4640 and Xeon E5-2699R v4, ask them in Comments section, and we shall answer.

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