Ryzen 9 7940HS vs A4 Micro-6400T

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Aggregate performance score

A4 Micro-6400T
2014
4 cores / 4 threads, 4 Watt
0.71
Ryzen 9 7940HS
2023
8 cores / 16 threads, 35 Watt
19.89
+2701%

Ryzen 9 7940HS outperforms A4 Micro-6400T by a whopping 2701% based on our aggregate benchmark results.

Primary details

Comparing A4 Micro-6400T and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2698292
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD A-Seriesno data
Power efficiency14.3651.71
Architecture codenameMullins (2014)Phoenix-HS (Zen 4) (2023)
Release date29 April 2014 (10 years ago)January 2023 (1 year ago)

Detailed specifications

A4 Micro-6400T and Ryzen 9 7940HS 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)8 (Octa-Core)
Threads416
Base clock speed1 GHz4 GHz
Boost clock speed1.6 GHz5.2 GHz
L1 cacheno data64K (per core)
L2 cache2048 KB1 MB (per core)
L3 cacheno data16 MB (shared)
Chip lithography28 nm4 nm
Die sizeno data178 mm2
Maximum core temperatureno data100 °C
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on A4 Micro-6400T and Ryzen 9 7940HS 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
SocketFT3bFP8
Power consumption (TDP)4.5 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4 Micro-6400T and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensions86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVXRyzen AI, MMX, 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 A4 Micro-6400T and Ryzen 9 7940HS are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4 Micro-6400T and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1333DDR5
Max memory channels1no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon R3 GraphicsAMD Radeon 780M
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A4 Micro-6400T and Ryzen 9 7940HS integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A4 Micro-6400T and Ryzen 9 7940HS integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A4 Micro-6400T and Ryzen 9 7940HS.

PCIe version2.04.0
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.

A4 Micro-6400T 0.71
Ryzen 9 7940HS 19.89
+2701%

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.

A4 Micro-6400T 1082
Ryzen 9 7940HS 30368
+2707%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

A4 Micro-6400T 1251
Ryzen 9 7940HS 7881
+530%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

A4 Micro-6400T 3380
Ryzen 9 7940HS 48914
+1347%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

A4 Micro-6400T 1664
Ryzen 9 7940HS 15689
+843%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

A4 Micro-6400T 46.27
Ryzen 9 7940HS 2.67
+1633%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

A4 Micro-6400T 1
Ryzen 9 7940HS 30
+2516%

Cinebench 15 64-bit multi-core

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

A4 Micro-6400T 95
Ryzen 9 7940HS 2663
+2703%

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.

A4 Micro-6400T 34
Ryzen 9 7940HS 284
+735%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

A4 Micro-6400T 0.41
Ryzen 9 7940HS 3.4
+729%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

A4 Micro-6400T 0.7
Ryzen 9 7940HS 15
+1976%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

A4 Micro-6400T 820
Ryzen 9 7940HS 7465
+810%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

A4 Micro-6400T 7
Ryzen 9 7940HS 146
+2013%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

A4 Micro-6400T 34
Ryzen 9 7940HS 299
+791%

Gaming performance

Pros & cons summary


Performance score 0.71 19.89
Physical cores 4 8
Threads 4 16
Chip lithography 28 nm 4 nm
Power consumption (TDP) 4 Watt 35 Watt

A4 Micro-6400T has 775% lower power consumption.

Ryzen 9 7940HS, on the other hand, has a 2701.4% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 600% more advanced lithography process.

The Ryzen 9 7940HS is our recommended choice as it beats the A4 Micro-6400T in performance tests.


Should you still have questions on choice between A4 Micro-6400T and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.

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AMD A4 Micro-6400T
A4 Micro-6400T
AMD Ryzen 9 7940HS
Ryzen 9 7940HS

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