Ryzen Threadripper 1977 vs Core i7-5820K

Primary details

Comparing Core i7-5820K and Ryzen Threadripper 1977 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	976	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.81	no data
Market segment	Desktop processor	Desktop processor
Architecture codename	Haswell-E (2014)	Zen (2017−2020)
Release date	1 September 2014 (9 years ago)	no data
Launch price (MSRP)	$410	no data
Current price	$195 (0.5x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-5820K and Ryzen Threadripper 1977 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	6 (Hexa-Core)	14 (Tetradeca-Core)
Threads	12	no data
Base clock speed	3.3 GHz	no data
Boost clock speed	3.6 GHz	3.2 GHz
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	15 MB (shared)	32768 KB
Chip lithography	22 nm	14 nm
Die size	356 mm2	no data
Maximum core temperature	67 °C	no data
Number of transistors	2,600 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-5820K and Ryzen Threadripper 1977 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	1
Socket	FCLGA2011	SP3r2
Power consumption (TDP)	140 Watt	155 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5820K and Ryzen Threadripper 1977. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-5820K and Ryzen Threadripper 1977 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5820K and Ryzen Threadripper 1977 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 i7-5820K and Ryzen Threadripper 1977. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	64 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	68 GB/s	no data
ECC memory support	-	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-5820K and Ryzen Threadripper 1977.

PCIe version	3.0	no data
PCI Express lanes	28	no data

Pros & cons summary

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Physical cores	6	14
Chip lithography	22 nm	14 nm
Power consumption (TDP)	140 Watt	155 Watt

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Should you still have questions on choice between Core i7-5820K and Ryzen Threadripper 1977, ask them in Comments section, and we shall answer.

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