Ryzen 9 8945H vs Ryzen 7 7800X3D

VS

Aggregate performance score

Ryzen 7 7800X3D
2023
8 cores / 16 threads, 120 Watt
21.99
+13.8%
Ryzen 9 8945H
2023
8 cores / 16 threads, 45 Watt
19.32

Ryzen 7 7800X3D outperforms Ryzen 9 8945H by a moderate 14% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7800X3D and Ryzen 9 8945H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking246307
Place by popularity16not in top-100
Cost-effectiveness evaluation36.25no data
Market segmentDesktop processorLaptop
Seriesno dataAMD Hawk Point (Zen 4/4c, Ryzen 8040)
Power efficiency17.0239.88
Architecture codenameRaphael (Zen4) (2022−2023)Hawk Point-HS (Zen 4) (2023−2024)
Release date4 January 2023 (1 year ago)6 December 2023 (less than a year ago)
Launch price (MSRP)$449no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 7800X3D and Ryzen 9 8945H 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 speed4.4 GHz4 GHz
Boost clock speed5 GHz5.2 GHz
Bus rate162 MHzno data
L1 cache64K (per core)512 KB
L2 cache1 MB (per core)8 MB
L3 cache96 MB (shared)16 MB
Chip lithography5 nm4 nm
Die size71 mm2178 mm2
Maximum core temperature89 °C100 °C
Maximum case temperature (TCase)61 °Cno data
Number of transistors6,570 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 7 7800X3D and Ryzen 9 8945H 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 configuration1no data
SocketAM5FP7/FP7r2/FP8
Power consumption (TDP)120 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7800X3D and Ryzen 9 8945H. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, AVX512, BMI1, BMI2, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT SHA, XFR2, Precision Boost 2Ryzen 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+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7800X3D and Ryzen 9 8945H are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7800X3D and Ryzen 9 8945H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5200DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon Graphics (Ryzen 7000)AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7800X3D and Ryzen 9 8945H.

PCIe version5.0no data
PCI Express lanes24no data

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 7800X3D 21.99
+13.8%
Ryzen 9 8945H 19.32

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 7800X3D 34275
+13.8%
Ryzen 9 8945H 30112

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 7 7800X3D 8026
+5.7%
Ryzen 9 8945H 7594

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 7 7800X3D 51950
+11.5%
Ryzen 9 8945H 46572

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 7 7800X3D 16892
+9.1%
Ryzen 9 8945H 15476

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 7 7800X3D 2.44
+7.8%
Ryzen 9 8945H 2.63

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 7 7800X3D 33
+14.9%
Ryzen 9 8945H 29

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 7800X3D 2879
+7%
Ryzen 9 8945H 2691

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 7800X3D 282
Ryzen 9 8945H 284
+0.9%

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 7 7800X3D 3.43
+4.6%
Ryzen 9 8945H 3.28

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 7 7800X3D 15.3
+1.3%
Ryzen 9 8945H 15.1

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 7 7800X3D 169
+12.8%
Ryzen 9 8945H 150

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 7 7800X3D 344
+17.7%
Ryzen 9 8945H 292

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 7 7800X3D 16585
+120%
Ryzen 9 8945H 7542

Geekbench 5.5 Multi-Core

Ryzen 7 7800X3D 12715
+6.1%
Ryzen 9 8945H 11980

Blender(-)

Ryzen 7 7800X3D 178
Ryzen 9 8945H 182
+2.2%

Geekbench 5.5 Single-Core

Ryzen 7 7800X3D 1920
Ryzen 9 8945H 1994
+3.9%

7-Zip Single

Ryzen 7 7800X3D 7824
+17.4%
Ryzen 9 8945H 6664

7-Zip

Ryzen 7 7800X3D 80313
+10.2%
Ryzen 9 8945H 72851

WebXPRT 3

Ryzen 7 7800X3D 353
+14.4%
Ryzen 9 8945H 309

Gaming performance

Pros & cons summary


Performance score 21.99 19.32
Integrated graphics card 4.42 18.30
Recency 4 January 2023 6 December 2023
Chip lithography 5 nm 4 nm
Power consumption (TDP) 120 Watt 45 Watt

Ryzen 7 7800X3D has a 13.8% higher aggregate performance score.

Ryzen 9 8945H, on the other hand, has 314% faster integrated GPU, an age advantage of 11 months, a 25% more advanced lithography process, and 166.7% lower power consumption.

The Ryzen 7 7800X3D is our recommended choice as it beats the Ryzen 9 8945H in performance tests.

Note that Ryzen 7 7800X3D is a desktop processor while Ryzen 9 8945H is a notebook one.


Should you still have questions on choice between Ryzen 7 7800X3D and Ryzen 9 8945H, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 7800X3D
Ryzen 7 7800X3D
AMD Ryzen 9 8945H
Ryzen 9 8945H

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