i7-14700HX vs Ryzen 9 3900

#ad 
Buy on Amazon
VS

Aggregate performance score

Ryzen 9 3900
2019
12 cores / 24 threads, 65 Watt
19.98
Core i7-14700HX
2024
20 cores / 28 threads, 55 Watt
23.99
+20.1%

i7-14700HX outperforms Ryzen 9 3900 by a significant 20% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900 and Core i7-14700HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking282210
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD Matisse (Ryzen 3000 Desktop)Raptor Lake-HX
Architecture codenameMatisse (Zen 2) (2019−2020)Raptor Lake-HX Refresh (2024)
Release date9 October 2019 (4 years ago)8 January 2024 (less than a year ago)

Detailed specifications

Ryzen 9 3900 and Core i7-14700HX 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 cores12 (Dodeca-Core)20 (Icosa-Core)
Threads2428
Base clock speed3.1 GHz2.1 GHz
Boost clock speed4.3 GHz5.4 GHz
L1 cache768 KB80 KB (per core)
L2 cache6 MB2 MB (per core)
L3 cache64 MB33 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die size2x 74 mm2257 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors7,600 millionno data
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier++

Compatibility

Information on Ryzen 9 3900 and Core i7-14700HX 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
SocketAM4 (1331)FCBGA1964
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Core i7-14700HX. 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 2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data+
Statusno dataLaunched
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 9 3900 and Core i7-14700HX technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Core i7-14700HX are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Core i7-14700HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4, DDR5
Maximum memory size128 GB192 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel® UHD Graphics for 14th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequencyno data1.6 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900 and Core i7-14700HX integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 3900 and Core i7-14700HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 9 3900 and Core i7-14700HX integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Core i7-14700HX.

PCIe version4.05.0 and 4.0
PCI Express lanes2416

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 3900 19.98
i7-14700HX 23.99
+20.1%

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 3900 30813
i7-14700HX 37000
+20.1%

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 9 3900 1677
i7-14700HX 2494
+48.7%

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 9 3900 9582
i7-14700HX 13500
+40.9%

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 9 3900 5700
i7-14700HX 11767
+106%

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 3900 44191
i7-14700HX 68172
+54.3%

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 3900 13817
i7-14700HX 18104
+31%

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 3900 31
+197%
i7-14700HX 10

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 3900 2804
i7-14700HX 3780
+34.8%

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 3900 197
i7-14700HX 269
+36.5%

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 3900 2.22
i7-14700HX 3.63
+63.5%

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 3900 10.4
i7-14700HX 19.3
+85.6%

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 3900 7145
i7-14700HX 10202
+42.8%

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 3900 132
i7-14700HX 177
+34.3%

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 3900 256
i7-14700HX 365
+42.9%

Gaming performance

Pros & cons summary


Performance score 19.98 23.99
Recency 9 October 2019 8 January 2024
Physical cores 12 20
Threads 24 28
Power consumption (TDP) 65 Watt 55 Watt

i7-14700HX has a 20.1% higher aggregate performance score, an age advantage of 4 years, 66.7% more physical cores and 16.7% more threads, and 18.2% lower power consumption.

The Core i7-14700HX is our recommended choice as it beats the Ryzen 9 3900 in performance tests.

Note that Ryzen 9 3900 is a desktop processor while Core i7-14700HX is a notebook one.


Should you still have questions on choice between Ryzen 9 3900 and Core i7-14700HX, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 9 3900
Ryzen 9 3900
Intel Core i7-14700HX
Core i7-14700HX

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.6 598 votes

Rate Ryzen 9 3900 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 165 votes

Rate Core i7-14700HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 3900 or Core i7-14700HX, agree or disagree with our judgements, or report an error or mismatch.