A9-9420 vs A8-8600P

#ad 
Buy on Amazon
VS

Aggregate performance score

A8-8600P
2015
4 cores / 4 threads, 12 Watt
1.55
+64.9%
A9-9420
2016
2 cores / 2 threads, 15 Watt
0.94

A8-8600P outperforms A9-9420 by an impressive 65% based on our aggregate benchmark results.

Primary details

Comparing A8-8600P and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21302523
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD CarrizoAMD Bristol Ridge
Power efficiency4.195.93
Architecture codenameCarrizo (2015−2018)Stoney Ridge (2016−2019)
Release date3 June 2015 (9 years ago)31 May 2016 (8 years ago)

Detailed specifications

A8-8600P and A9-9420 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)2 (Dual-core)
Threads42
Base clock speed1.6 GHz3 GHz
Boost clock speed3 GHz3.6 GHz
L1 cacheno data160 KB
L2 cache2048 KB1 MB (shared)
L3 cacheno data0 KB
Chip lithography28 nm28 nm
Die sizeno data125 mm2
Maximum core temperature90 °C90 °C
Maximum case temperature (TCase)no data74 °C
Number of transistors3100 Million1,200 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on A8-8600P and A9-9420 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
SocketFP4FT4
Power consumption (TDP)12-35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-8600P and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensionsHSA 1.0Virtualization,
AES-NI++
FMAFMA4+
AVXAVX+
FRTC+-
FreeSync+-
DualGraphics+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
HSA+-

Virtualization technologies

Virtual machine speed-up technologies supported by A8-8600P and A9-9420 are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-8600P and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-2133DDR4
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R6 GraphicsRadeon R5
iGPU core count6no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A8-8600P and A9-9420 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A8-8600P and A9-9420 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A8-8600P and A9-9420.

PCIe version3.03.0
PCI Express lanesno data8

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.

A8-8600P 1.55
+64.9%
A9-9420 0.94

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.

A8-8600P 2464
+64.3%
A9-9420 1500

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.

A8-8600P 360
+10.8%
A9-9420 325

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.

A8-8600P 1007
+101%
A9-9420 500

Gaming performance

Pros & cons summary


Performance score 1.55 0.94
Recency 3 June 2015 31 May 2016
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 12 Watt 15 Watt

A8-8600P has a 64.9% higher aggregate performance score, 100% more physical cores and 100% more threads, and 25% lower power consumption.

A9-9420, on the other hand, has an age advantage of 11 months.

The A8-8600P is our recommended choice as it beats the A9-9420 in performance tests.


Should you still have questions on choice between A8-8600P and A9-9420, 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 A8-8600P
A8-8600P
AMD A9-9420
A9-9420

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.


2.4 14 votes

Rate A8-8600P on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 513 votes

Rate A9-9420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about A8-8600P or A9-9420, agree or disagree with our judgements, or report an error or mismatch.