Ryzen 9 7945HX vs Ryzen 7 3700X

Aggregate performance score

Ryzen 7 3700X
2019
8 cores / 16 threads, 65 Watt
14.24
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.55
+143%

Ryzen 9 7945HX outperforms Ryzen 7 3700X by a whopping 143% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 3700X and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking508110
Place by popularity73not in top-100
Cost-effectiveness evaluation18.04no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7no data
Power efficiency20.6559.20
Architecture codenameMatisse (Zen 2) (2019−2020)Dragon Range-HX (Zen 4) (2023−2024)
Release date27 May 2019 (5 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$329no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 3700X and Ryzen 9 7945HX 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)16 (Hexadeca-Core)
Threads1632
Base clock speed3.6 GHz2.5 GHz
Boost clock speed4.4 GHz5.4 GHz
L1 cache512 KB64K (per core)
L2 cache4 MB1 MB (per core)
L3 cache32 MB64 MB (shared)
Chip lithography7 nm, 12 nmCCD = 5 nm, I/O = 6 nm
Die sizeno data2x 71 mm2
Maximum core temperatureno data100 °C
Number of transistors19,200 million13,140 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 7 3700X and Ryzen 9 7945HX 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 configuration1 (Uniprocessor)1
SocketAM4FL1
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3700X and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, 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 3700X and Ryzen 9 7945HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3700X and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3700X and Ryzen 9 7945HX.

PCIe versionno data5.0
PCI Express lanesno data28

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 3700X 14.24
Ryzen 9 7945HX 34.55
+143%

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 3700X 22538
Ryzen 9 7945HX 54674
+143%

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 3700X 1671
Ryzen 9 7945HX 2734
+63.6%

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 3700X 8081
Ryzen 9 7945HX 15891
+96.6%

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 3700X 5839
Ryzen 9 7945HX 8462
+44.9%

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 3700X 40439
Ryzen 9 7945HX 71611
+77.1%

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 3700X 13815
Ryzen 9 7945HX 19820
+43.5%

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 3700X 3.71
Ryzen 9 7945HX 1.99
+86.4%

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 3700X 23
Ryzen 9 7945HX 62
+165%

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 3700X 2092
Ryzen 9 7945HX 5521
+164%

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 3700X 204
Ryzen 9 7945HX 308
+51%

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 3700X 2.3
Ryzen 9 7945HX 3.65
+58.7%

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 3700X 11.4
Ryzen 9 7945HX 27.7
+143%

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 3700X 115
Ryzen 9 7945HX 236
+105%

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 3700X 270
Ryzen 9 7945HX 369
+36.8%

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 3700X 7503
Ryzen 9 7945HX 14532
+93.7%

Geekbench 5.5 Multi-Core

Ryzen 7 3700X 8960
Ryzen 9 7945HX 19802
+121%

Blender(-)

Ryzen 7 3700X 181
+93%
Ryzen 9 7945HX 94

Geekbench 5.5 Single-Core

Ryzen 7 3700X 1304
Ryzen 9 7945HX 2124
+62.9%

7-Zip Single

Ryzen 7 3700X 5333
Ryzen 9 7945HX 7381
+38.4%

7-Zip

Ryzen 7 3700X 57307
Ryzen 9 7945HX 140471
+145%

Gaming performance

Pros & cons summary


Performance score 14.24 34.55
Recency 27 May 2019 4 January 2023
Physical cores 8 16
Threads 16 32
Power consumption (TDP) 65 Watt 55 Watt

Ryzen 9 7945HX has a 142.6% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 100% more threads, and 18.2% lower power consumption.

The Ryzen 9 7945HX is our recommended choice as it beats the Ryzen 7 3700X in performance tests.

Note that Ryzen 7 3700X is a desktop processor while Ryzen 9 7945HX is a notebook one.


Should you still have questions on choice between Ryzen 7 3700X and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 3700X
Ryzen 7 3700X
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

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Community ratings

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