Ryzen 9 8945HS vs Ryzen 5 6600U

Aggregate performance score

Ryzen 5 6600U
2022
6 cores / 12 threads, 15 Watt
10.42
Ryzen 9 8945HS
2023
8 cores / 16 threads, 45 Watt
18.78
+80.2%

Ryzen 9 8945HS outperforms Ryzen 5 6600U by an impressive 80% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 5 6600U and Ryzen 9 8945HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking750319
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Rembrandt (Zen 3+)no data
Power efficiency65.7039.47
Architecture codenameRembrandt-U (Zen 3+) (2022)Hawk Point-HS (Zen 4) (2023−2024)
Release dateJanuary 2022 (2 years ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen 5 6600U 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 cores6 (Hexa-Core)8 (Octa-Core)
Threads1216
Base clock speed2.9 GHz4 GHz
Boost clock speed4.5 GHz5.2 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache16 MB (shared)16 MB (shared)
Chip lithography6 nm4 nm
Die size208 mm2178 mm2
Maximum core temperature95 °C100 °C
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 5 6600U 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
SocketFP7FP8
Power consumption (TDP)15 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 6600U and Ryzen 9 8945HS. 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, 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 5 6600U and Ryzen 9 8945HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 6600U 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 card
Compare
AMD Radeon 660M ( - 1900 MHz)AMD Radeon 780M ( - 2800 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 6600U 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 5 6600U 10.42
Ryzen 9 8945HS 18.78
+80.2%

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 5 6600U 16545
Ryzen 9 8945HS 29827
+80.3%

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 5 6600U 1654
Ryzen 9 8945HS 2373
+43.5%

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 5 6600U 6492
Ryzen 9 8945HS 11615
+78.9%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ryzen 5 6600U 6242
Ryzen 9 8945HS 7786
+24.7%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ryzen 5 6600U 32097
Ryzen 9 8945HS 49299
+53.6%

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 5 6600U 9908
Ryzen 9 8945HS 15894
+60.4%

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 5 6600U 4.69
Ryzen 9 8945HS 4.38
+7.1%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ryzen 5 6600U 17
Ryzen 9 8945HS 31
+81.2%

Cinebench 15 64-bit multi-core

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

Ryzen 5 6600U 1493
Ryzen 9 8945HS 2659
+78.1%

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 5 6600U 233
Ryzen 9 8945HS 281
+20.6%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ryzen 5 6600U 2.73
Ryzen 9 8945HS 3.42
+25.3%

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 5 6600U 9.3
Ryzen 9 8945HS 15.4
+65.1%

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 5 6600U 6937
Ryzen 9 8945HS 14109
+103%

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 5 6600U 71
Ryzen 9 8945HS 151
+111%

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 5 6600U 212
Ryzen 9 8945HS 298
+40.6%

Geekbench 5.5 Multi-Core

Ryzen 5 6600U 7529
Ryzen 9 8945HS 12368
+64.3%

Blender(-)

Ryzen 5 6600U 415
+116%
Ryzen 9 8945HS 192

Geekbench 5.5 Single-Core

Ryzen 5 6600U 1483
Ryzen 9 8945HS 1965
+32.5%

7-Zip Single

Ryzen 5 6600U 5486
Ryzen 9 8945HS 6250
+13.9%

7-Zip

Ryzen 5 6600U 44320
Ryzen 9 8945HS 71704
+61.8%

WebXPRT 3

Ryzen 5 6600U 274
Ryzen 9 8945HS 316
+15.3%

CrossMark Overall

Ryzen 5 6600U 1517
Ryzen 9 8945HS 1830
+20.6%

WebXPRT 4 Overall

Ryzen 5 6600U 217
Ryzen 9 8945HS 260
+19.8%

Blender v3.3 Classroom CPU(-)

Ryzen 5 6600U 489
+56.6%
Ryzen 9 8945HS 312

Geekbench 6.3 Multi-Core

Ryzen 5 6600U 8310
Ryzen 9 8945HS 13283
+59.8%

Geekbench 6.3 Single-Core

Ryzen 5 6600U 1977
Ryzen 9 8945HS 2684
+35.8%

Gaming performance

Pros & cons summary


Performance score 10.42 18.78
Integrated graphics card 16.31 18.32
Physical cores 6 8
Threads 12 16
Chip lithography 6 nm 4 nm
Power consumption (TDP) 15 Watt 45 Watt

Ryzen 5 6600U has 200% lower power consumption.

Ryzen 9 8945HS, on the other hand, has a 80.2% higher aggregate performance score, 12.3% faster integrated GPU, 33.3% more physical cores and 33.3% more threads, and a 50% more advanced lithography process.

The Ryzen 9 8945HS is our recommended choice as it beats the Ryzen 5 6600U in performance tests.


Should you still have questions on choice between Ryzen 5 6600U and Ryzen 9 8945HS, ask them in Comments section, and we shall answer.

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AMD Ryzen 5 6600U
Ryzen 5 6600U
AMD Ryzen 9 8945HS
Ryzen 9 8945HS

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Community ratings

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