Ryzen 9 7845HX vs A6-6400K

VS

Aggregate performance score

A6-6400K
2013
2 cores / 2 threads, 65 Watt
0.95
Ryzen 9 7845HX
2023
12 cores / 24 threads, 55 Watt
28.71
+2922%

Ryzen 9 7845HX outperforms A6-6400K by a whopping 2922% based on our aggregate benchmark results.

Primary details

Comparing A6-6400K and Ryzen 9 7845HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2519159
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD A-Series (Desktop)no data
Power efficiency1.3849.37
Architecture codenameRichland (2013−2014)Dragon Range-HX (Zen 4) (2023−2024)
Release date1 June 2013 (11 years ago)4 January 2023 (1 year ago)

Detailed specifications

A6-6400K and Ryzen 9 7845HX 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 cores2 (Dual-core)12 (Dodeca-Core)
Threads224
Base clock speed3.9 GHz3 GHz
Boost clock speed4.1 GHz5.2 GHz
L1 cache96 KB64K (per core)
L2 cache1024 KB1 MB (per core)
L3 cache0 KB64 MB (shared)
Chip lithography32 nmCCD = 5 nm, I/O = 6 nm
Die size246 mm22x 71 mm2
Maximum core temperature70 °C100 °C
Maximum case temperature (TCase)70 °Cno data
Number of transistors1,178 million13,140 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on A6-6400K and Ryzen 9 7845HX 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
SocketFM2FL1
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Ryzen 9 7845HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMAFMA4+
AVX++
PowerNow+-
PowerGating+-
VirusProtect+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Ryzen 9 7845HX are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Ryzen 9 7845HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR5
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 8470DAMD Radeon 610M (400 - 2200 MHz)
จำนวนพาธไลน์192no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6-6400K and Ryzen 9 7845HX integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6-6400K and Ryzen 9 7845HX integrated GPUs, sometimes API versions are included.

DirectXDirectX® 11no data

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Ryzen 9 7845HX.

PCIe version2.05.0
PCI Express lanesno data28

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.

A6-6400K 0.95
Ryzen 9 7845HX 28.71
+2922%

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.

A6-6400K 1502
Ryzen 9 7845HX 45597
+2936%

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.

A6-6400K 410
Ryzen 9 7845HX 2651
+547%

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.

A6-6400K 576
Ryzen 9 7845HX 13976
+2326%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

A6-6400K 149
Ryzen 9 7845HX 4320
+2799%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

A6-6400K 88
Ryzen 9 7845HX 295
+235%

Gaming performance

Pros & cons summary


Performance score 0.95 28.71
Integrated graphics card 0.97 2.85
Recency 1 June 2013 4 January 2023
Physical cores 2 12
Threads 2 24
Power consumption (TDP) 65 Watt 55 Watt

Ryzen 9 7845HX has a 2922.1% higher aggregate performance score, 193.8% faster integrated GPU, an age advantage of 9 years, 500% more physical cores and 1100% more threads, and 18.2% lower power consumption.

The Ryzen 9 7845HX is our recommended choice as it beats the A6-6400K in performance tests.

Note that A6-6400K is a desktop processor while Ryzen 9 7845HX is a notebook one.


Should you still have questions on choice between A6-6400K and Ryzen 9 7845HX, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD A6-6400K
A6-6400K
AMD Ryzen 9 7845HX
Ryzen 9 7845HX

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Community ratings

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