Ryzen 9 7945HX vs A6-7400K

Aggregate performance score

A6-7400K
2014
2 cores / 2 threads, 65 Watt
1.03
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.41
+3241%

Ryzen 9 7945HX outperforms A6-7400K by a whopping 3241% based on our aggregate benchmark results.

Primary details

Comparing A6-7400K and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2443110
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency1.5059.21
Architecture codenameKaveri (2014−2015)Dragon Range-HX (Zen 4) (2023−2024)
Release date31 July 2014 (10 years ago)4 January 2023 (1 year ago)

Detailed specifications

A6-7400K and Ryzen 9 7945HX 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)16 (Hexadeca-Core)
Threads232
Base clock speed3.5 GHz2.5 GHz
Boost clock speed3.9 GHz5.4 GHz
L1 cache128 KB64K (per core)
L2 cache1024 KB1 MB (per core)
L3 cacheno data64 MB (shared)
Chip lithography28 nmCCD = 5 nm, I/O = 6 nm
Die size245 mm22x 71 mm2
Maximum core temperature70 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 million13,140 million
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier++

Compatibility

Information on A6-7400K and Ryzen 9 7945HX 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
SocketFM2+FL1
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-7400K and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, 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++
FMA++
AVX++
FRTC+-
FreeSync+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
HSA+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-7400K and Ryzen 9 7945HX are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-7400K and Ryzen 9 7945HX. 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 R5 GraphicsAMD Radeon 610M (400 - 2200 MHz)
iGPU core count4no data
Number of pipelines256no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6-7400K and Ryzen 9 7945HX integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6-7400K and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A6-7400K and Ryzen 9 7945HX.

PCIe version3.05.0
PCI Express lanes1628

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.

A6-7400K 1.03
Ryzen 9 7945HX 34.41
+3241%

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.

A6-7400K 1631
Ryzen 9 7945HX 54664
+3252%

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.

A6-7400K 398
Ryzen 9 7945HX 2736
+587%

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.

A6-7400K 560
Ryzen 9 7945HX 15899
+2739%

Gaming performance

Pros & cons summary


Performance score 1.03 34.41
Recency 31 July 2014 4 January 2023
Physical cores 2 16
Threads 2 32
Power consumption (TDP) 65 Watt 55 Watt

Ryzen 9 7945HX has a 3240.8% higher aggregate performance score, an age advantage of 8 years, 700% more physical cores and 1500% more threads, and 18.2% lower power consumption.

The Ryzen 9 7945HX is our recommended choice as it beats the A6-7400K in performance tests.

Note that A6-7400K is a desktop processor while Ryzen 9 7945HX is a notebook one.


Should you still have questions on choice between A6-7400K and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD A6-7400K
A6-7400K
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

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Community ratings

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Questions & comments

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