Ryzen 7 5800X vs i5-7640K

Primary details

Comparing Core i5-7640K and Ryzen 7 5800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated355
Place by popularitynot in top-10060
Cost-effectiveness evaluationno data23.20
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 7
Power efficiencyno data15.80
Architecture codenameKaby Lake-X (2017)Vermeer (Zen 3) (2020−2022)
Release dateno data (2024 years ago)8 October 2020 (4 years ago)
Launch price (MSRP)no data$449

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-7640K and Ryzen 7 5800X 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 cores4 (Quad-Core)8 (Octa-Core)
Threadsno data16
Base clock speedno data3.8 GHz
Boost clock speed3.9 GHz4.7 GHz
Multiplierno data38
L1 cache64 KB (per core)512 KB
L2 cache256 KB (per core)4 MB
L3 cache6144 KB (shared)32 MB
Chip lithography14 nm7 nm, 12 nm
Die sizeno data2 x 80.7 sq. mm; I/O = 125 mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)72 °C95 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i5-7640K and Ryzen 7 5800X 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 configuration11
Socket1151AM4
Power consumption (TDP)112 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7640K and Ryzen 7 5800X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7640K and Ryzen 7 5800X are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7640K and Ryzen 7 5800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i5-7640K and Ryzen 7 5800X.

PCIe versionno data4.0

Pros & cons summary


Physical cores 4 8
Chip lithography 14 nm 7 nm
Power consumption (TDP) 112 Watt 105 Watt

Ryzen 7 5800X has 100% more physical cores, a 100% more advanced lithography process, and 6.7% lower power consumption.

We couldn't decide between Core i5-7640K and Ryzen 7 5800X. We've got no test results to judge.


Should you still have questions on choice between Core i5-7640K and Ryzen 7 5800X, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-7640K
Core i5-7640K
AMD Ryzen 7 5800X
Ryzen 7 5800X

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.5 8 votes

Rate Core i5-7640K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 5847 votes

Rate Ryzen 7 5800X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-7640K or Ryzen 7 5800X, agree or disagree with our judgements, or report an error or mismatch.