EPYC 7343 vs Core i7-6900K

Primary details

Comparing Core i7-6900K and EPYC 7343 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	769	150
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.45	23.90
Market segment	Desktop processor	Server
Series	no data	AMD EPYC
Architecture codename	Broadwell-E (2016)	Milan (2021)
Release date	31 May 2016 (8 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$1,020	$1,565
Current price	$184 (0.2x MSRP)	$1118 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7343 has 271% better value for money than i7-6900K.

Detailed specifications

Core i7-6900K and EPYC 7343 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)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	3.2 GHz	3.2 GHz
Boost clock speed	4 GHz	3.9 GHz
L1 cache	32 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	20 MB (shared)	128 MB (shared)
Chip lithography	14 nm	7 nm+
Die size	no data	4x 81 mm2
Maximum core temperature	67°	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	16,600 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-6900K and EPYC 7343 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	FCLGA2011	SP3
Power consumption (TDP)	140 Watt	190 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and EPYC 7343. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i7-6900K and EPYC 7343 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 i7-6900K and EPYC 7343 are enumerated here.

AMD-V	no data	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and EPYC 7343. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	128 GB	4 TiB
Max memory channels	4	no data
Maximum memory bandwidth	no data	204.795 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and EPYC 7343.

PCIe version	3.0	4.0
PCI Express lanes	40	128

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.

EPYC 7343 outperforms Core i7-6900K by 206% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	9.35	28.57
Recency	31 May 2016	15 March 2021
Physical cores	8	16
Threads	16	32
Cost	$1020	$1565
Chip lithography	14 nm	7 nm
Power consumption (TDP)	140 Watt	190 Watt

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Should you still have questions on choice between Core i7-6900K and EPYC 7343, ask them in Comments section, and we shall answer.

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