Ryzen 5 8645HS vs Ryzen 7 4800H

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Aggregate performance score

Ryzen 7 4800H
2020
8 cores / 16 threads, 45 Watt
11.62
Ryzen 5 8645HS
2023
6 cores / 12 threads, 45 Watt
14.47
+24.5%

Ryzen 5 8645HS outperforms Ryzen 7 4800H by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 4800H and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking673499
Place by popularity90not in top-100
Market segmentLaptopLaptop
SeriesAMD Renoir (Ryzen 4000 APU)no data
Power efficiency24.4430.43
Architecture codenameRenoir-H (Zen 2) (2020)Hawk Point-HS (Zen 4) (2023−2024)
Release date6 January 2020 (4 years ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen 7 4800H 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 speed2.9 GHz4.3 GHz
Boost clock speed4.2 GHz5 GHz
Multiplier29no data
L1 cache512 KB64 KB (per core)
L2 cache4 MB1 MB (per core)
L3 cache8 MB (shared)16 MB (shared)
Chip lithography7 nm4 nm
Die size156 mm2178 mm2
Maximum core temperature105 °C100 °C
Number of transistors9800 Million25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 7 4800H 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)45 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 4800H 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 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 4800H and Ryzen 5 8645HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 4800H and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size64 GBno data
Maximum memory bandwidth68.27 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 7 ( - 1600 MHz)AMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 4800H and Ryzen 5 8645HS.

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.

Ryzen 7 4800H 11.62
Ryzen 5 8645HS 14.47
+24.5%

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 4800H 18463
Ryzen 5 8645HS 22985
+24.5%

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 4800H 12683
Ryzen 5 8645HS 14055
+10.8%

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 4800H 3.38
Ryzen 5 8645HS 3.29
+2.7%

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 4800H 1854
Ryzen 5 8645HS 2094
+12.9%

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 4800H 188
Ryzen 5 8645HS 270
+43.6%

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 4800H 10.3
Ryzen 5 8645HS 11
+6.8%

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 4800H 4601
Ryzen 5 8645HS 6695
+45.5%

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 4800H 103
Ryzen 5 8645HS 122
+18.6%

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 4800H 216
Ryzen 5 8645HS 282
+30.6%

Geekbench 5.5 Multi-Core

Ryzen 7 4800H 7955
Ryzen 5 8645HS 9420
+18.4%

Blender(-)

Ryzen 7 4800H 262
+8.7%
Ryzen 5 8645HS 241

Geekbench 5.5 Single-Core

Ryzen 7 4800H 1191
Ryzen 5 8645HS 1915
+60.8%

7-Zip Single

Ryzen 7 4800H 4686
Ryzen 5 8645HS 6190
+32.1%

7-Zip

Ryzen 7 4800H 50075
Ryzen 5 8645HS 55608
+11%

WebXPRT 3

Ryzen 7 4800H 219
Ryzen 5 8645HS 295
+35%

Gaming performance

Pros & cons summary


Performance score 11.62 14.47
Integrated graphics card 7.47 14.90
Recency 6 January 2020 6 December 2023
Physical cores 8 6
Threads 16 12
Chip lithography 7 nm 4 nm

Ryzen 7 4800H has 33.3% more physical cores and 33.3% more threads.

Ryzen 5 8645HS, on the other hand, has a 24.5% higher aggregate performance score, 99.5% faster integrated GPU, an age advantage of 3 years, and a 75% more advanced lithography process.

The Ryzen 5 8645HS is our recommended choice as it beats the Ryzen 7 4800H in performance tests.


Should you still have questions on choice between Ryzen 7 4800H and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 4800H
Ryzen 7 4800H
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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