Ryzen 7 7840HS vs A8-7100

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Aggregate performance score

A8-7100
2014
4 cores / 4 threads, 19 Watt
1.07
Ryzen 7 7840HS
2023
8 cores / 16 threads, 35 Watt
18.89
+1665%

Ryzen 7 7840HS outperforms A8-7100 by a whopping 1665% based on our aggregate benchmark results.

Primary details

Comparing A8-7100 and Ryzen 7 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2435328
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Kaverino data
Power efficiency5.1449.21
Architecture codenameKaveri (2014−2015)Phoenix-HS (Zen 4) (2023)
Release date4 June 2014 (10 years ago)January 2023 (1 year ago)

Detailed specifications

A8-7100 and Ryzen 7 7840HS 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 speed1.8 GHz3.8 GHz
Boost clock speed3 GHz5.1 GHz
L1 cacheno data64K (per core)
L2 cache4096 KB1 MB (per core)
L3 cacheno data16 MB (shared)
Chip lithography28 nm4 nm
Die size245 mm2178 mm2
Maximum core temperatureno data100 °C
Number of transistors2410 Million25,000 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on A8-7100 and Ryzen 7 7840HS 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
SocketFP3FP8
Power consumption (TDP)19 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-7100 and Ryzen 7 7840HS. 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, AVX, FMARyzen 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++
FMA++
AVX++
FRTC+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
HSA+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-7100 and Ryzen 7 7840HS are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-7100 and Ryzen 7 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1600DDR5
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon R5 GraphicsAMD Radeon 780M
iGPU core count4no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A8-7100 and Ryzen 7 7840HS integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A8-7100 and Ryzen 7 7840HS integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A8-7100 and Ryzen 7 7840HS.

PCIe version3.04.0
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.

A8-7100 1.07
Ryzen 7 7840HS 18.89
+1665%

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.

A8-7100 1638
Ryzen 7 7840HS 28903
+1665%

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.

A8-7100 256
Ryzen 7 7840HS 2366
+824%

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.

A8-7100 577
Ryzen 7 7840HS 10999
+1806%

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.

A8-7100 1379
Ryzen 7 7840HS 7642
+454%

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.

A8-7100 4134
Ryzen 7 7840HS 47933
+1059%

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.

A8-7100 2225
Ryzen 7 7840HS 15663
+604%

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.

A8-7100 33.23
Ryzen 7 7840HS 2.64
+1159%

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.

A8-7100 2
Ryzen 7 7840HS 30
+1603%

Cinebench 15 64-bit multi-core

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

A8-7100 133
Ryzen 7 7840HS 2573
+1835%

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.

A8-7100 44
Ryzen 7 7840HS 279
+533%

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.

A8-7100 0.55
Ryzen 7 7840HS 3.31
+502%

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.

A8-7100 1.1
Ryzen 7 7840HS 14.8
+1310%

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.  

A8-7100 11
Ryzen 7 7840HS 147
+1228%

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.  

A8-7100 56
Ryzen 7 7840HS 290
+418%

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.

A8-7100 1417
Ryzen 7 7840HS 7064
+399%

Gaming performance

Pros & cons summary


Performance score 1.07 18.89
Physical cores 4 8
Threads 4 16
Chip lithography 28 nm 4 nm
Power consumption (TDP) 19 Watt 35 Watt

A8-7100 has 84.2% lower power consumption.

Ryzen 7 7840HS, on the other hand, has a 1665.4% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 600% more advanced lithography process.

The Ryzen 7 7840HS is our recommended choice as it beats the A8-7100 in performance tests.


Should you still have questions on choice between A8-7100 and Ryzen 7 7840HS, ask them in Comments section, and we shall answer.

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AMD A8-7100
A8-7100
AMD Ryzen 7 7840HS
Ryzen 7 7840HS

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