Ryzen 5 8645HS vs Ryzen 7 5825U

VS

Aggregate performance score

Ryzen 7 5825U
2022
8 cores / 16 threads, 15 Watt
11.55
Ryzen 5 8645HS
2023
6 cores / 12 threads, 45 Watt
14.47
+25.3%

Ryzen 5 8645HS outperforms Ryzen 7 5825U by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 5825U and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking681499
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Cezanne (Zen 3, Ryzen 5000)no data
Power efficiency72.8730.43
Architecture codenameBarcelo-U (Zen 3) (2022)Hawk Point-HS (Zen 4) (2023−2024)
Release date6 January 2022 (2 years ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen 7 5825U and Ryzen 5 8645HS 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 cores8 (Octa-Core)6 (Hexa-Core)
Threads1612
Base clock speed2 GHz4.3 GHz
Boost clock speed4.5 GHz5 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache16 MB (shared)16 MB (shared)
Chip lithography7 nm4 nm
Die size180 mm2178 mm2
Maximum core temperature95 °C100 °C
Number of transistors10,700 million25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 7 5825U and Ryzen 5 8645HS 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
SocketFP6FP8
Power consumption (TDP)15 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5825U and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMERyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
FMA+-
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 5825U and Ryzen 5 8645HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5825U and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2000 MHz)AMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5825U and Ryzen 5 8645HS.

PCIe version3.04.0
PCI Express lanes1620

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.

Ryzen 7 5825U 11.55
Ryzen 5 8645HS 14.47
+25.3%

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.

Ryzen 7 5825U 18339
Ryzen 5 8645HS 22985
+25.3%

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.

Ryzen 7 5825U 11292
Ryzen 5 8645HS 14055
+24.5%

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.

Ryzen 7 5825U 9.2
Ryzen 5 8645HS 3.29
+180%

Cinebench 15 64-bit multi-core

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

Ryzen 7 5825U 1778
Ryzen 5 8645HS 2094
+17.8%

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.

Ryzen 7 5825U 232
Ryzen 5 8645HS 270
+16.6%

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.

Ryzen 7 5825U 8.7
Ryzen 5 8645HS 11
+26.4%

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.

Ryzen 7 5825U 5835
Ryzen 5 8645HS 6695
+14.7%

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.  

Ryzen 7 5825U 100
Ryzen 5 8645HS 122
+21.4%

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.  

Ryzen 7 5825U 250
Ryzen 5 8645HS 282
+12.8%

Geekbench 5.5 Multi-Core

Ryzen 7 5825U 6782
Ryzen 5 8645HS 9420
+38.9%

Blender(-)

Ryzen 7 5825U 303
+25.5%
Ryzen 5 8645HS 241

Geekbench 5.5 Single-Core

Ryzen 7 5825U 1468
Ryzen 5 8645HS 1915
+30.4%

7-Zip Single

Ryzen 7 5825U 5437
Ryzen 5 8645HS 6190
+13.9%

7-Zip

Ryzen 7 5825U 47589
Ryzen 5 8645HS 55608
+16.9%

WebXPRT 3

Ryzen 7 5825U 267
Ryzen 5 8645HS 295
+10.7%

CrossMark Overall

Ryzen 7 5825U 1311
Ryzen 5 8645HS 1765
+34.6%

WebXPRT 4 Overall

Ryzen 7 5825U 213
Ryzen 5 8645HS 248
+16.4%

Blender v3.3 Classroom CPU(-)

Ryzen 7 5825U 543
+39.5%
Ryzen 5 8645HS 389

Gaming performance

Pros & cons summary


Performance score 11.55 14.47
Integrated graphics card 9.05 14.90
Recency 6 January 2022 6 December 2023
Physical cores 8 6
Threads 16 12
Chip lithography 7 nm 4 nm
Power consumption (TDP) 15 Watt 45 Watt

Ryzen 7 5825U has 33.3% more physical cores and 33.3% more threads, and 200% lower power consumption.

Ryzen 5 8645HS, on the other hand, has a 25.3% higher aggregate performance score, 64.6% faster integrated GPU, an age advantage of 1 year, and a 75% more advanced lithography process.

The Ryzen 5 8645HS is our recommended choice as it beats the Ryzen 7 5825U in performance tests.


Should you still have questions on choice between Ryzen 7 5825U and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 5825U
Ryzen 7 5825U
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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