Ryzen 7 7745HX vs Ryzen 9 3950X

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Aggregate performance score

Ryzen 9 3950X
2019
16 cores / 32 threads, 105 Watt
25.08
+18.1%

Ryzen 9 3950X outperforms Ryzen 7 7745HX by a moderate 18% based on our aggregated benchmark results.

Primary details

Comparing Ryzen 9 3950X and Ryzen 7 7745HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking177232
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation15.06no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9no data
Architecture codenameMatisse (Zen 2) (2019−2020)Dragon Range (Zen 4)
Release date14 November 2019 (4 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$799no data
Current price$1272 (1.6x MSRP)no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3950X and Ryzen 7 7745HX 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 cores16 (Hexadeca-Core)8 (Octa-Core)
Threads3216
Base clock speed3.5 GHz3.6 GHz
Boost clock speed4.7 GHz5.1 GHz
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache64 MB32 MB (shared)
Chip lithography7 nmCCD = 5 nm, I/O = 6 nm
Die size2 x 72 mm + 125 mm (IO-Die) mm271 mm2
Maximum core temperatureno data100 °C
Number of transistors19,200 million6,570 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesYes

Compatibility

Information on Ryzen 9 3950X and Ryzen 7 7745HX 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)105 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3950X and Ryzen 7 7745HX. 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, FMA3, SHA, Precision Boost 2DDR5-5200 RAM, PCIe 5, 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++
FMAno data+
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3950X and Ryzen 7 7745HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and Ryzen 7 7745HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR5
Maximum memory size128 GBno data
Maximum memory bandwidth51.196 GB/sno data
ECC memory support+no 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 9 3950X and Ryzen 7 7745HX.

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 9 3950X 25.08
+18.1%
Ryzen 7 7745HX 21.23

Ryzen 9 3950X outperforms Ryzen 7 7745HX by 18% based on our aggregated benchmark results.


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.

Benchmark coverage: 68%

Ryzen 9 3950X 38795
+18.1%
Ryzen 7 7745HX 32838

Ryzen 9 3950X outperforms Ryzen 7 7745HX by 18% in Passmark.

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.

Benchmark coverage: 42%

Ryzen 9 3950X 1718
Ryzen 7 7745HX 2677
+55.8%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 56% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Ryzen 9 3950X 10842
Ryzen 7 7745HX 13117
+21%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 21% in GeekBench 5 Multi-Core.

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.

Benchmark coverage: 20%

Ryzen 9 3950X 6102
Ryzen 7 7745HX 8006
+31.2%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 31% in Cinebench 10 32-bit single-core.

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.

Benchmark coverage: 19%

Ryzen 9 3950X 53396
Ryzen 7 7745HX 54762
+2.6%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 3% in Cinebench 10 32-bit multi-core.

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.

Benchmark coverage: 18%

Ryzen 9 3950X 4.11
Ryzen 7 7745HX 2.28
+80.3%

Ryzen 9 3950X outperforms Ryzen 7 7745HX by 80% in wPrime 32.

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.

Benchmark coverage: 17%

Ryzen 9 3950X 44
+24.6%
Ryzen 7 7745HX 35

Ryzen 9 3950X outperforms Ryzen 7 7745HX by 25% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

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

Benchmark coverage: 15%

Ryzen 9 3950X 4002
+34%
Ryzen 7 7745HX 2986

Ryzen 9 3950X outperforms Ryzen 7 7745HX by 34% in Cinebench 15 64-bit multi-core.

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.

Benchmark coverage: 15%

Ryzen 9 3950X 209
Ryzen 7 7745HX 295
+40.9%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 41% in Cinebench 15 64-bit single-core.

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.

Benchmark coverage: 14%

Ryzen 9 3950X 2.37
Ryzen 7 7745HX 3.5
+47.7%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 48% in Cinebench 11.5 64-bit single-core.

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.

Benchmark coverage: 13%

Ryzen 9 3950X 10.8
Ryzen 7 7745HX 16.4
+51.9%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 52% in TrueCrypt AES.

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.

Benchmark coverage: 13%

Ryzen 9 3950X 7409
Ryzen 7 7745HX 14476
+95.4%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 95% in WinRAR 4.0.

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.  

Benchmark coverage: 13%

Ryzen 9 3950X 168
Ryzen 7 7745HX 173
+3.1%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 3% in x264 encoding pass 2.

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.  

Benchmark coverage: 13%

Ryzen 9 3950X 265
Ryzen 7 7745HX 359
+35.3%

Ryzen 7 7745HX outperforms Ryzen 9 3950X by 35% in x264 encoding pass 1.

Gaming performance

Pros & cons summary


Performance score 25.08 21.23
Recency 14 November 2019 4 January 2023
Physical cores 16 8
Threads 32 16
Power consumption (TDP) 105 Watt 55 Watt

The Ryzen 9 3950X is our recommended choice as it beats the Ryzen 7 7745HX in performance tests.

Note that Ryzen 9 3950X is a desktop processor while Ryzen 7 7745HX is a notebook one.


Should you still have questions on choice between Ryzen 9 3950X and Ryzen 7 7745HX, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3950X
Ryzen 9 3950X
AMD Ryzen 7 7745HX
Ryzen 7 7745HX

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