Ryzen 9 8945HS vs Ryzen 7 8840HS

VS

Aggregate performance score

Ryzen 7 8840HS
2023
8 cores / 16 threads, 28 Watt
15.23
Ryzen 9 8945HS
2023
8 cores / 16 threads, 45 Watt
18.78
+23.3%

Ryzen 9 8945HS outperforms Ryzen 7 8840HS by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 8840HS and Ryzen 9 8945HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking461319
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Power efficiency51.4439.47
Architecture codenameHawk Point-HS (Zen 4) (2023−2024)Hawk Point-HS (Zen 4) (2023−2024)
Release date6 December 2023 (1 year ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen 7 8840HS and Ryzen 9 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 speed3.3 GHz4 GHz
Boost clock speed5.1 GHz5.2 GHz
L1 cache64 KB (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++

Compatibility

Information on Ryzen 7 8840HS and Ryzen 9 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
SocketFP8FP8
Power consumption (TDP)28 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 8840HS and Ryzen 9 8945HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsRyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3Ryzen 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 8840HS and Ryzen 9 8945HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 8840HS and Ryzen 9 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 ( - 2800 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 8840HS and Ryzen 9 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 8840HS 15.23
Ryzen 9 8945HS 18.78
+23.3%

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 8840HS 24195
Ryzen 9 8945HS 29827
+23.3%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 7 8840HS 2061
Ryzen 9 8945HS 2373
+15.1%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 7 8840HS 9075
Ryzen 9 8945HS 11615
+28%

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 8840HS 2045
Ryzen 9 8945HS 2659
+30%

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 8840HS 268
Ryzen 9 8945HS 281
+4.9%

Geekbench 5.5 Multi-Core

Ryzen 7 8840HS 9949
Ryzen 9 8945HS 12368
+24.3%

Blender(-)

Ryzen 7 8840HS 232
+20.8%
Ryzen 9 8945HS 192

Geekbench 5.5 Single-Core

Ryzen 7 8840HS 1942
Ryzen 9 8945HS 1965
+1.2%

7-Zip Single

Ryzen 7 8840HS 6205
Ryzen 9 8945HS 6250
+0.7%

7-Zip

Ryzen 7 8840HS 60670
Ryzen 9 8945HS 71704
+18.2%

WebXPRT 3

Ryzen 7 8840HS 308
Ryzen 9 8945HS 316
+2.6%

CrossMark Overall

Ryzen 7 8840HS 1658
Ryzen 9 8945HS 1830
+10.4%

WebXPRT 4 Overall

Ryzen 7 8840HS 248
Ryzen 9 8945HS 260
+4.8%

Blender v3.3 Classroom CPU(-)

Ryzen 7 8840HS 375
+20.2%
Ryzen 9 8945HS 312

Geekbench 6.3 Multi-Core

Ryzen 7 8840HS 11327
Ryzen 9 8945HS 13283
+17.3%

Geekbench 6.3 Single-Core

Ryzen 7 8840HS 2552
Ryzen 9 8945HS 2684
+5.2%

Gaming performance

Pros & cons summary


Performance score 15.23 18.78
Power consumption (TDP) 28 Watt 45 Watt

Ryzen 7 8840HS has 60.7% lower power consumption.

Ryzen 9 8945HS, on the other hand, has a 23.3% higher aggregate performance score.

The Ryzen 9 8945HS is our recommended choice as it beats the Ryzen 7 8840HS in performance tests.


Should you still have questions on choice between Ryzen 7 8840HS and Ryzen 9 8945HS, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 8840HS
Ryzen 7 8840HS
AMD Ryzen 9 8945HS
Ryzen 9 8945HS

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Community ratings

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