Ryzen 9 7945HX vs Ryzen 7 5800HS

VS

Aggregate performance score

Ryzen 7 5800HS
2021
8 cores / 16 threads, 35 Watt
12.62
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.42
+173%

Ryzen 9 7945HX outperforms Ryzen 7 5800HS by a whopping 173% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 5800HS and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking614111
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Cezanne (Zen 3, Ryzen 5000)no data
Power efficiency34.1259.23
Architecture codenameCezanne-HS (Zen 3) (2021)Dragon Range-HX (Zen 4) (2023−2024)
Release date12 January 2021 (3 years ago)4 January 2023 (1 year ago)

Detailed specifications

Ryzen 7 5800HS and Ryzen 9 7945HX 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)16 (Hexadeca-Core)
Threads1632
Base clock speed2.8 GHz2.5 GHz
Boost clock speed4.4 GHz5.4 GHz
Multiplier28no data
L1 cache64K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache16 MB (shared)64 MB (shared)
Chip lithography7 nmCCD = 5 nm, I/O = 6 nm
Die size156 mm22x 71 mm2
Maximum core temperature105 °C100 °C
Number of transistors9,800 million13,140 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 5800HS and Ryzen 9 7945HX 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
SocketFP6FL1
Power consumption (TDP)35 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800HS and Ryzen 9 7945HX. 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, SMEMMX, 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++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 5800HS and Ryzen 9 7945HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800HS and Ryzen 9 7945HX. 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 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800HS and Ryzen 9 7945HX.

PCIe version3.05.0
PCI Express lanesno data28

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 5800HS 12.62
Ryzen 9 7945HX 34.42
+173%

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 5800HS 20044
Ryzen 9 7945HX 54668
+173%

Geekbench 5.5 Multi-Core

Ryzen 7 5800HS 7454
Ryzen 9 7945HX 19802
+166%

Gaming performance

Pros & cons summary


Performance score 12.62 34.42
Integrated graphics card 9.05 2.85
Recency 12 January 2021 4 January 2023
Physical cores 8 16
Threads 16 32
Power consumption (TDP) 35 Watt 55 Watt

Ryzen 7 5800HS has 217.5% faster integrated GPU, and 57.1% lower power consumption.

Ryzen 9 7945HX, on the other hand, has a 172.7% higher aggregate performance score, an age advantage of 1 year, and 100% more physical cores and 100% more threads.

The Ryzen 9 7945HX is our recommended choice as it beats the Ryzen 7 5800HS in performance tests.


Should you still have questions on choice between Ryzen 7 5800HS and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Ryzen 7 5800HS
Ryzen 7 5800HS
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

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Community ratings

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