Ryzen 5 8645HS vs Ryzen 9 7845HX

Aggregate performance score

Ryzen 9 7845HX
2023
12 cores / 24 threads, 55 Watt
29.83
+100%

Ryzen 9 7845HX outperforms Ryzen 5 8645HS by a whopping 100% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7845HX and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking157498
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Power efficiency49.4630.15
Architecture codenameDragon Range-HX (Zen 4) (2023−2024)Hawk Point-HS (Zen 4) (2023−2024)
Release date4 January 2023 (1 year ago)6 December 2023 (less than a year ago)

Detailed specifications

Ryzen 9 7845HX 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 cores12 (Dodeca-Core)6 (Hexa-Core)
Threads2412
Base clock speed3 GHz4.3 GHz
Boost clock speed5.2 GHz5 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache64 MB (shared)16 MB (shared)
Chip lithographyCCD = 5 nm, I/O = 6 nm4 nm
Die size2x 71 mm2178 mm2
Maximum core temperature100 °C100 °C
Number of transistors13,140 million25,000 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 7845HX 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
SocketFL1FP8
Power consumption (TDP)55 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7845HX 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, AVX-512, 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 9 7845HX and Ryzen 5 8645HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7845HX and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 610MAMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7845HX and Ryzen 5 8645HS.

PCIe version5.04.0
PCI Express lanes2820

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 9 7845HX 29.83
+100%
Ryzen 5 8645HS 14.88

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 9 7845HX 45656
+100%
Ryzen 5 8645HS 22775

Cinebench 15 64-bit multi-core

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

Ryzen 9 7845HX 4320
+106%
Ryzen 5 8645HS 2094

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 9 7845HX 295
+9.3%
Ryzen 5 8645HS 270

Geekbench 5.5 Multi-Core

Ryzen 9 7845HX 15068
+60%
Ryzen 5 8645HS 9420

Blender(-)

Ryzen 9 7845HX 117
Ryzen 5 8645HS 241
+106%

Geekbench 5.5 Single-Core

Ryzen 9 7845HX 2008
+4.9%
Ryzen 5 8645HS 1915

7-Zip Single

Ryzen 9 7845HX 7018
+13.4%
Ryzen 5 8645HS 6190

7-Zip

Ryzen 9 7845HX 106033
+90.7%
Ryzen 5 8645HS 55608

WebXPRT 3

Ryzen 9 7845HX 357
+21%
Ryzen 5 8645HS 295

Gaming performance

Pros & cons summary


Performance score 29.83 14.88
Integrated graphics card 2.85 14.99
Recency 4 January 2023 6 December 2023
Physical cores 12 6
Threads 24 12
Power consumption (TDP) 55 Watt 45 Watt

Ryzen 9 7845HX has a 100.5% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Ryzen 5 8645HS, on the other hand, has 426% faster integrated GPU, an age advantage of 11 months, and 22.2% lower power consumption.

The Ryzen 9 7845HX is our recommended choice as it beats the Ryzen 5 8645HS in performance tests.


Should you still have questions on choice between Ryzen 9 7845HX and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7845HX
Ryzen 9 7845HX
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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