AMD Ryzen 7 7840HS vs AMD Ryzen 7 8845HS


AMD Ryzen 7 7840HS on Amazon USA
AMD Ryzen 7 8845HS on Amazon USA

Comparison of the technical characteristics between the processors, with the AMD Ryzen 7 7840HS on one side and the AMD Ryzen 7 8845HS on the other side, also their respective performances with the benchmarks. The first is dedicated to the laptop sector, It has 8 cores, 16 threads, a maximum frequency of 5.1GHz. The second is used on the laptop segment, it has a total of 8 cores, 16 threads, its turbo frequency is set to 5.1 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the release date, the maximum number of PCIe lanes, the values ​​obtained in Geekbench and Cinebench.






Specification comparison:


Processor AMD Ryzen 7 7840HS AMD Ryzen 7 8845HS
Market (main)Laptop Laptop
ISAx86-64 (64 bit) x86-64 (64 bit)
MicroarchitectureZen 4 Zen 4
Core namePhoenix Hawk Point
FamilyRyzen 7 7000 Ryzen 7 8000
Part number(s), S-Spec

100-000000955,
100-000000964,
100-000001129

100-000001322 (FP7r2),
100-000001384 (FP7),
100-000001311 (FP8)
Release dateQ1 2023 Q1 2024
Lithography4 nm FinFET 4 nm FinFET
Cores8 8
Threads16 16
Base frequency3.8 GHz 3.8 GHz
Turbo frequency5.1 GHz 5.1 GHz
High performance cores

8 Cores 16 Threads @ 3.8 / 5.1 GHz

8 Cores 16 Threads @ 3.8 / 5.1 GHz
Cache memory16 MB 16 MB
Max memory capacity256 GB 256 GB
Memory types

DDR5-5600, LPDDR5x-7500

DDR5-5600, LPDDR5x-7500
Max # of memory channels2 2
Max PCIe lanes20 20
TDP35 W 45 W
GPU integrated graphicsAMD Radeon 780M AMD Radeon 780M
GPU cores12 12
GPU shading units768 768
GPU base clock800 MHz 800 MHz
GPU boost clock2900 MHz 2700 MHz
GPU FP32 floating point8,294.4 GFLOPS 8,294.4 GFLOPS
SocketFP7, FP8 FP7, FP7r2, FP8
Maximum temperature100°C 100°C
AI accelerator

AMD Ryzen AI

AMD Ryzen AI
AI computing operations per seconds10 TOPS 16 TOPS
Crypto engine

AES Instructions

AES Instructions
Security

Enhanced Virus Protection

Enhanced Virus Protection
Max display resolution

3840 x 2160@60Hz (DP),
3440 x 1440@144Hz (DP),
2560 x 1440@180Hz (DP),
1920 x 1080@240Hz (DP)

7680 x 4320@60Hz (DP),
3840 x 2160@240Hz (DP),
3440 x 1440@360Hz (DP),
2560 x 1440@480Hz (DP),
1920 x 1080@600Hz (DP)
Video decoding

H.265 4320p49

H.265 4320p49
Video encoding

H.265 4320p43

H.265 4320p43
CPU-Z single thread668 678
CPU-Z multi thread6,953 6,953
Cinebench R15 single thread277 271
Cinebench R15 multi-thread2,707 2,534
Cinebench R20 single thread693 668
Cinebench R20 multi-thread6,599 6,203
Cinebench R23 single thread1,760 1,728
Cinebench R23 multi-thread16,873 15,927
Cinebench 2024 single thread103 105
Cinebench 2024 multi-thread919 908
PassMark single thread3,782 3,752
PassMark CPU Mark29,261 28,937
(Windows)
Geekbench 5 single core
1,745 1,951
(Windows)
Geekbench 5 multi-core
11,271 12,293
(Windows)
Geekbench 6 single core
2,549 2,624
(Windows)
Geekbench 6 multi-core
13,335 13,053
Amazon
eBay



We can better compare what are the technical differences between the two processors.

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

We see that the two processors have an equivalent number of cores, they have a similar turbo frequency, that the PDT of AMD Ryzen 7 7840HS is lower. The AMD Ryzen 7 8845HS was started more recently.

Performance comparison with the benchmarks:


Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench.


CPU-Z - Multi-Thread & Single Thread Score
AMD Ryzen 7 7840HS 668
6,953
AMD Ryzen 7 8845HS 678
6,953


In single core, the difference is -1%. In multi-core, the results are identical.


CPU-Z is a system information software that provides the name of the processor, its model number, the codename, the cache levels, the package, the process. It can also gives data about the mainboard, the memory. It makes real time measurement, with finally a benchmark for the single thread, as well as for the multi thread.




Cinebench R15 - Multi-Thread & Single Thread Score
AMD Ryzen 7 7840HS 277
2,707
AMD Ryzen 7 8845HS 271
2,534


In single core, the difference is 2%. In multi-core, the differential gap is 7%.


Cinebench R15 evaluates the performance of CPU calculations by restoring a photorealistic 3D scene. The scene has 2,000 objects, 300,000 polygons, uses sharp and fuzzy reflections, bright areas, shadows, procedural shaders, antialiasing, and so on. The faster the rendering of the scene is created, the more powerful the PC is, with a high number of points.


Cinebench R20 - Multi-Thread & Single Thread Score
AMD Ryzen 7 7840HS 693
6,599
AMD Ryzen 7 8845HS 668
6,203


In single core, the difference is 4%. In multi-core, the differential gap is 6%.


Cinebench R20 is a multi-platform test software which allows to evaluate the hardware capacities of a device such as a computer, a tablet, a server. This version of Cinebench takes into account recent developments in processors with multiple cores and the latest improvements in rendering techniques. The evaluation is ultimately even more relevant.




Cinebench R23 - Multi-Thread & Single Thread Score
AMD Ryzen 7 7840HS 1,760
16,873
AMD Ryzen 7 8845HS 1,728
15,927


In single core, the difference is 2%. In multi-core, the differential gap is 6%.


Cinebench R23 is cross-platform testing software that allows you to assess the hardware capabilities of a device such as a computer, tablet, server. This version of Cinebench takes into account recent developments in processors with multiple cores and the latest improvements in rendering techniques. The evaluation is ultimately even more relevant. The test scene contains no less than 2,000 objects and more than 300,000 polygons in total.


Cinebench 2024 - Multi-Thread & Single Thread Score
AMD Ryzen 7 7840HS 103
919
AMD Ryzen 7 8845HS 105
908


In single core, the difference is -2%. In multi-core, the differential gap is 1%.


Cinebench 2024 is a benchmarking software that includes various tools for 3D modeling, animation, visual effects, motion graphics, composition and color grading capabilities. With for example a GPU-accelerated rendering engine, a 3D simulation tool, digital sculpture and painting, intelligent assets, models, shaders, and other materials, production tools.


PassMark - CPU Mark & single thread
AMD Ryzen 7 7840HS 3,782
29,261
AMD Ryzen 7 8845HS 3,752
28,937


In single core, the difference is 1%. In multi-core, the differential gap is 1%.


PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.




With Windows:

Geekbench 5 - Multi-core & Single Core Score - Windows
AMD Ryzen 7 8845HS 1,951
12,293
AMD Ryzen 7 7840HS 1,745
11,271


In single core, the difference is 12%. In multi-core, the difference in terms of gap is 9%.


Geekbench 5 is a software for measuring the performance of a computer system, for fixed devices, mobile devices, servers. This platform makes it possible to better compare the power of the CPU, the computing power and to compare it with similar or totally different systems. Geekbench 5 includes new workloads that represent work tasks and applications that we can find in reality.




With Windows:

Geekbench 6 - Multi-core & Single Core Score - Windows
AMD Ryzen 7 7840HS 2,549
13,335
AMD Ryzen 7 8845HS 2,624
13,053


In single core, the difference is -3%. In multi-core, the differential gap is 2%.

With Linux:

Geekbench 6 - Multi-core & Single Core Score - Linux
AMD Ryzen 7 8845HS 2,669
13,235
AMD Ryzen 7 7840HS 2,546
13,216


In single core, the difference is 5%. In multi-core, the difference in terms of gap is 0%.


Geekbench 6 is a benchmarking platform that is capable of evaluating the performance of a device across multiple operating systems. The software evaluates processor power, with its ability to support different tasks, such as file compression, browsing; GPU computing capabilities, with image editing, video editing, gaming skills, machine learning workloads.


Equivalence:

AMD Ryzen 7 7840HS Intel EquivalentAMD Ryzen 7 8845HS Intel Equivalent

See also:

AMD Ryzen 7 7840HAMD Ryzen 7 7840HX

AMD Ryzen 7 8845H




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