Ryzen 7 5800X vs Ryzen 9 8945H

VS

Aggregate performance score

Ryzen 9 8945H
2023
8 cores / 16 threads, 45 Watt
19.29
+10.1%
Ryzen 7 5800X
2020
8 cores / 16 threads, 105 Watt
17.52

Ryzen 9 8945H outperforms Ryzen 7 5800X by a moderate 10% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 8945H and Ryzen 7 5800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking304361
Place by popularitynot in top-10049
Cost-effectiveness evaluationno data24.47
Market segmentLaptopDesktop processor
SeriesAMD Hawk Point (Zen 4/4c, Ryzen 8040)AMD Ryzen 7
Power efficiency40.5715.79
Architecture codenameHawk Point-HS (Zen 4) (2023−2024)Vermeer (Zen 3) (2020−2022)
Release date6 December 2023 (1 year ago)8 October 2020 (4 years ago)
Launch price (MSRP)no data$449

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 8945H and Ryzen 7 5800X 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 speed4 GHz3.8 GHz
Boost clock speed5.2 GHz4.7 GHz
Multiplierno data38
L1 cache512 KB512 KB
L2 cache8 MB4 MB
L3 cache16 MB32 MB
Chip lithography4 nm7 nm, 12 nm
Die size178 mm22 x 80.7 sq. mm; I/O = 125 mm2
Maximum core temperature100 °C90 °C
Maximum case temperature (TCase)no data95 °C
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier-+

Compatibility

Information on Ryzen 9 8945H and Ryzen 7 5800X 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 configurationno data1
SocketFP7/FP7r2/FP8AM4
Power consumption (TDP)45 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 8945H and Ryzen 7 5800X. 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, SMEMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 8945H and Ryzen 7 5800X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 8945H and Ryzen 7 5800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780M ( - 2800 MHz)-

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 8945H and Ryzen 7 5800X.

PCIe versionno data4.0

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 8945H 19.29
+10.1%
Ryzen 7 5800X 17.52

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 8945H 30643
+10.1%
Ryzen 7 5800X 27828

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 9 8945H 7594
+11.1%
Ryzen 7 5800X 6835

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 9 8945H 46572
+2.2%
Ryzen 7 5800X 45548

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 9 8945H 15476
Ryzen 7 5800X 15873
+2.6%

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 9 8945H 2.63
+15.6%
Ryzen 7 5800X 3.04

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 9 8945H 29
Ryzen 7 5800X 29
+0.6%

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 8945H 2691
+3.2%
Ryzen 7 5800X 2609

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 8945H 284
+7%
Ryzen 7 5800X 266

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 9 8945H 3.28
+6.1%
Ryzen 7 5800X 3.09

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 9 8945H 15.1
+0.7%
Ryzen 7 5800X 15

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 9 8945H 7542
Ryzen 7 5800X 15604
+107%

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 9 8945H 150
Ryzen 7 5800X 152
+1.3%

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 9 8945H 292
Ryzen 7 5800X 339
+16%

Geekbench 5.5 Multi-Core

Ryzen 9 8945H 11980
+11.7%
Ryzen 7 5800X 10724

Blender(-)

Ryzen 9 8945H 182
Ryzen 7 5800X 197
+8.2%

Geekbench 5.5 Single-Core

Ryzen 9 8945H 1994
+18.5%
Ryzen 7 5800X 1683

7-Zip Single

Ryzen 9 8945H 6664
Ryzen 7 5800X 6907
+3.6%

7-Zip

Ryzen 9 8945H 72851
+1%
Ryzen 7 5800X 72114

WebXPRT 3

Ryzen 9 8945H 309
+2.3%
Ryzen 7 5800X 302

CrossMark Overall

Ryzen 9 8945H 1833
+18.9%
Ryzen 7 5800X 1541

WebXPRT 4 Overall

Ryzen 9 8945H 265
+8.2%
Ryzen 7 5800X 245

Blender v3.3 Classroom CPU(-)

Ryzen 9 8945H 293
Ryzen 7 5800X 336
+14.7%

Gaming performance

Pros & cons summary


Performance score 19.29 17.52
Recency 6 December 2023 8 October 2020
Chip lithography 4 nm 7 nm
Power consumption (TDP) 45 Watt 105 Watt

Ryzen 9 8945H has a 10.1% higher aggregate performance score, an age advantage of 3 years, a 75% more advanced lithography process, and 133.3% lower power consumption.

The Ryzen 9 8945H is our recommended choice as it beats the Ryzen 7 5800X in performance tests.

Be aware that Ryzen 9 8945H is a notebook processor while Ryzen 7 5800X is a desktop one.


Should you still have questions on choice between Ryzen 9 8945H and Ryzen 7 5800X, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 8945H
Ryzen 9 8945H
AMD Ryzen 7 5800X
Ryzen 7 5800X

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Community ratings

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