Xeon E5-2696 V3 vs Core i9-7940X

Primary details

Comparing Core i9-7940X and Xeon E5-2696 V3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	352	467
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.34	46.27
Market segment	Desktop processor	Server
Series	Intel Core i9	no data
Architecture codename	Skylake (server) (2017−2019)	Haswell-EP (2014)
Release date	1 September 2017 (6 years ago)	8 September 2014 (9 years ago)
Launch price (MSRP)	$1,399	no data
Current price	$1937 (1.4x MSRP)	$122

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2696 V3 has 1285% better value for money than i9-7940X.

Detailed specifications

Core i9-7940X and Xeon E5-2696 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	14 (Tetradeca-Core)	18 (Octadeca-Core)
Threads	28	36
Base clock speed	3.1 GHz	2.3 GHz
Boost clock speed	4.4 GHz	3.8 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	64K (per core)
L2 cache	1 MB (per core)	256K (per core)
L3 cache	19.25 MB (shared)	45 MB (shared)
Chip lithography	14 nm	22 nm
Die size	484 mm2	356 mm2
Maximum core temperature	102 °C	no data
Maximum case temperature (TCase)	no data	77 °C
Number of transistors	no data	2,600 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Core i9-7940X and Xeon E5-2696 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	1	2
Socket	FCLGA2066	2011-3
Power consumption (TDP)	165 Watt	145 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Xeon E5-2696 V3. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i9-7940X and Xeon E5-2696 V3 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Xeon E5-2696 V3 are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Xeon E5-2696 V3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3, DDR42133 MHz Quad-channel
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Xeon E5-2696 V3.

PCIe version	3.0	3.0
PCI Express lanes	44	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.

Core i9-7940X outperforms Xeon E5-2696 V3 by 17% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	16.81	14.40
Recency	1 September 2017	8 September 2014
Physical cores	14	18
Threads	28	36
Chip lithography	14 nm	22 nm
Power consumption (TDP)	165 Watt	145 Watt

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Should you still have questions on choice between Core i9-7940X and Xeon E5-2696 V3, ask them in Comments section, and we shall answer.

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