Ryzen 5 PRO 8645HS vs Ryzen 5 3450U

Primary details

Comparing Ryzen 5 3450U and Ryzen 5 PRO 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1370not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesAMD Picasso (Ryzen 3000 APU)no data
Power efficiency26.81no data
Architecture codenamePicasso-U (Zen+) (2019−2020)Hawk Point (2024)
Release date1 May 2020 (4 years ago)16 April 2024 (less than a year ago)

Detailed specifications

Ryzen 5 3450U and Ryzen 5 PRO 8645HS 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)6 (Hexa-Core)
Threads812
Base clock speed2.1 GHz4.3 GHz
Boost clock speed3.5 GHz5 GHz
L1 cache384 KB64 KB (per core)
L2 cache2 MB1 MB (per core)
L3 cache4 MB16 MB (shared)
Chip lithography12 nm4 nm
Die sizeno data178 mm2
Maximum core temperature105 °Cno data
Number of transistors4500 Million25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 5 3450U and Ryzen 5 PRO 8645HS 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 configurationno data1
SocketFP5FP7
Power consumption (TDP)15 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 3450U and Ryzen 5 PRO 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEno data
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 3450U and Ryzen 5 PRO 8645HS are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 3450U and Ryzen 5 PRO 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 2000/3000)AMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 3450U and Ryzen 5 PRO 8645HS.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Integrated graphics card 4.50 14.90
Recency 1 May 2020 16 April 2024
Physical cores 4 6
Threads 8 12
Chip lithography 12 nm 4 nm
Power consumption (TDP) 15 Watt 45 Watt

Ryzen 5 3450U has 200% lower power consumption.

Ryzen 5 PRO 8645HS, on the other hand, has 231.1% faster integrated GPU, an age advantage of 3 years, 50% more physical cores and 50% more threads, and a 200% more advanced lithography process.

We couldn't decide between Ryzen 5 3450U and Ryzen 5 PRO 8645HS. We've got no test results to judge.

Be aware that Ryzen 5 3450U is a notebook processor while Ryzen 5 PRO 8645HS is a server/workstation one.


Should you still have questions on choice between Ryzen 5 3450U and Ryzen 5 PRO 8645HS, 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.


AMD Ryzen 5 3450U
Ryzen 5 3450U
AMD Ryzen 5 PRO 8645HS
Ryzen 5 PRO 8645HS

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.


4.1 390 votes

Rate Ryzen 5 3450U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 1 vote

Rate Ryzen 5 PRO 8645HS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 5 3450U or Ryzen 5 PRO 8645HS, agree or disagree with our judgements, or report an error or mismatch.