Ryzen 5 8640HS vs FX-8320

#ad 
Buy on Amazon
VS

Aggregate performance score

FX-8320
2012
8 cores / 8 threads, 125 Watt
3.43
Ryzen 5 8640HS
2023
6 cores / 12 threads, 28 Watt
12.85
+275%

Ryzen 5 8640HS outperforms FX-8320 by a whopping 275% based on our aggregate benchmark results.

Primary details

Comparing FX-8320 and Ryzen 5 8640HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1563601
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency2.6043.43
Architecture codenameVishera (2012−2015)Hawk Point-HS (Zen 4) (2023−2024)
Release date23 October 2012 (12 years ago)6 December 2023 (1 year ago)

Detailed specifications

FX-8320 and Ryzen 5 8640HS 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 cores8 (Octa-Core)6 (Hexa-Core)
Threads812
Base clock speed3.5 GHz3.5 GHz
Boost clock speed4 GHz4.9 GHz
L1 cacheno data64 KB (per core)
L2 cache8192 KB1 MB (per core)
L3 cacheno data16 MB (shared)
Chip lithography32 nm4 nm
Die size315 mm2178 mm2
Maximum core temperature61 °C100 °C
Number of transistors1,200 million25,000 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-
P0 Vcore voltageMin: 1.2 V - Max: 1.4 Vno data

Compatibility

Information on FX-8320 and Ryzen 5 8640HS 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
SocketAM3+FP8
Power consumption (TDP)125 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8320 and Ryzen 5 8640HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataRyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8320 and Ryzen 5 8640HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8320 and Ryzen 5 8640HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by FX-8320 and Ryzen 5 8640HS.

PCIe versionn/a4.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


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.

FX-8320 3.43
Ryzen 5 8640HS 12.85
+275%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

FX-8320 5441
Ryzen 5 8640HS 20415
+275%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

FX-8320 460
Ryzen 5 8640HS 2158
+369%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

FX-8320 1809
Ryzen 5 8640HS 8155
+351%

Gaming performance

Pros & cons summary


Performance score 3.43 12.85
Recency 23 October 2012 6 December 2023
Physical cores 8 6
Threads 8 12
Chip lithography 32 nm 4 nm
Power consumption (TDP) 125 Watt 28 Watt

FX-8320 has 33.3% more physical cores.

Ryzen 5 8640HS, on the other hand, has a 274.6% higher aggregate performance score, an age advantage of 11 years, 50% more threads, a 700% more advanced lithography process, and 346.4% lower power consumption.

The Ryzen 5 8640HS is our recommended choice as it beats the FX-8320 in performance tests.

Note that FX-8320 is a desktop processor while Ryzen 5 8640HS is a notebook one.


Should you still have questions on choice between FX-8320 and Ryzen 5 8640HS, 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 FX-8320
FX-8320
AMD Ryzen 5 8640HS
Ryzen 5 8640HS

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.


4.2 1425 votes

Rate FX-8320 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 65 votes

Rate Ryzen 5 8640HS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about FX-8320 or Ryzen 5 8640HS, agree or disagree with our judgements, or report an error or mismatch.