Ryzen 9 PRO 8945HS vs Ryzen 7 7840HS

VS

Aggregate performance score

Ryzen 7 7840HS
2023
8 cores / 16 threads, 35 Watt
18.20
Ryzen 9 PRO 8945HS
2024
8 cores / 16 threads, 45 Watt
19.33
+6.2%

Ryzen 9 PRO 8945HS outperforms Ryzen 7 7840HS by a small 6% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7840HS and Ryzen 9 PRO 8945HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking333302
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Power efficiency49.2140.65
Architecture codenamePhoenix-HS (Zen 4) (2023)Hawk Point-HS (Zen 4) (2023−2024)
Release dateJanuary 2023 (1 year ago)16 April 2024 (less than a year ago)

Detailed specifications

Ryzen 7 7840HS and Ryzen 9 PRO 8945HS 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)8 (Octa-Core)
Threads1616
Base clock speed3.8 GHz4 GHz
Boost clock speed5.1 GHz5.2 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache16 MB (shared)16 MB (shared)
Chip lithography4 nm4 nm
Die size178 mm2178 mm2
Maximum core temperature100 °C100 °C
Number of transistors25,000 million25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 7 7840HS and Ryzen 9 PRO 8945HS 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
SocketFP8FP7
Power consumption (TDP)35 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7840HS and Ryzen 9 PRO 8945HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsRyzen AI, MMX, 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, MMX, 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 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7840HS and Ryzen 9 PRO 8945HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840HS and Ryzen 9 PRO 8945HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780M ( - 2700 MHz)AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7840HS and Ryzen 9 PRO 8945HS.

PCIe version4.04.0
PCI Express lanes2020

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 7840HS 18.20
Ryzen 9 PRO 8945HS 19.33
+6.2%

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 7840HS 28912
Ryzen 9 PRO 8945HS 30708
+6.2%

Gaming performance

Pros & cons summary


Performance score 18.20 19.33
Power consumption (TDP) 35 Watt 45 Watt

Ryzen 7 7840HS has 28.6% lower power consumption.

Ryzen 9 PRO 8945HS, on the other hand, has a 6.2% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between Ryzen 7 7840HS and Ryzen 9 PRO 8945HS.

Be aware that Ryzen 7 7840HS is a notebook processor while Ryzen 9 PRO 8945HS is a server/workstation one.


Should you still have questions on choice between Ryzen 7 7840HS and Ryzen 9 PRO 8945HS, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 7 7840HS
Ryzen 7 7840HS
AMD Ryzen 9 PRO 8945HS
Ryzen 9 PRO 8945HS

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Community ratings

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