Ryzen 7 PRO 4750U vs Ryzen 9 3900X

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Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 125 Watt
21.11
+115%

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by a whopping 115% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900X and Ryzen 7 PRO 4750U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking238725
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation33.36no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9Renoir (Ryzen 4000 APU)
Architecture codenameMatisse (Zen 2) (2019−2020)Renoir-U PRO (Zen 2)
Release date7 July 2019 (4 years ago)7 May 2020 (4 years ago)
Launch price (MSRP)$499no data
Current price$403 (0.8x MSRP)no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900X and Ryzen 7 PRO 4750U 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)8 (Octa-Core)
Threads2416
Base clock speed3.8 GHz1.7 GHz
Boost clock speed4.6 GHz4.1 GHz
L1 cache96K (per core)512 KB
L2 cache512K (per core)4 MB
L3 cache64 MB8 MB
Chip lithography7 nm7 nm
Die sizeno data156 mm2
Maximum core temperature95 °C105 °C
Number of transistors19,200 million9800 Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesNo

Compatibility

Information on Ryzen 9 3900X and Ryzen 7 PRO 4750U 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)no data
SocketAM4FP6
Power consumption (TDP)125 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Ryzen 7 PRO 4750U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataDDR4-3200/LPDDR4-4266 RAM, PCIe 3, PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, 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 3900X and Ryzen 7 PRO 4750U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and Ryzen 7 PRO 4750U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4
Maximum memory size128 GB64 GB
Max memory channels2no data
Maximum memory bandwidth51.196 GB/s68.27 GB/s
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon RX Vega 7

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 3900X 21.11
+115%
Ryzen 7 PRO 4750U 9.84

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 115% based on our aggregate 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 3900X 32647
+115%
Ryzen 7 PRO 4750U 15218

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 115% 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 3900X 1695
+26.1%
Ryzen 7 PRO 4750U 1344

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 26% 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 3900X 9929
+93.7%
Ryzen 7 PRO 4750U 5127

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 94% 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 3900X 6019
Ryzen 7 PRO 4750U 8379
+39.2%

Ryzen 7 PRO 4750U outperforms Ryzen 9 3900X by 39% 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 3900X 45539
+54%
Ryzen 7 PRO 4750U 29574

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 54% in Cinebench 10 32-bit multi-core.

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.

Benchmark coverage: 19%

Ryzen 9 3900X 14889
+35.3%
Ryzen 7 PRO 4750U 11008

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 35% in 3DMark06 CPU.

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 3900X 2.69
+46.8%
Ryzen 7 PRO 4750U 3.95

Ryzen 7 PRO 4750U outperforms Ryzen 9 3900X by 47% 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 3900X 34
+115%
Ryzen 7 PRO 4750U 16

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 115% 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 3900X 3049
+116%
Ryzen 7 PRO 4750U 1410

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 116% 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 3900X 207
+14.4%
Ryzen 7 PRO 4750U 181

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 14% 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 3900X 2.36
+11.3%
Ryzen 7 PRO 4750U 2.12

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 11% 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 3900X 10.8
+52.5%
Ryzen 7 PRO 4750U 7.1

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U 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 3900X 7534
+78.2%
Ryzen 7 PRO 4750U 4227

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 78% 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 3900X 147
+84%
Ryzen 7 PRO 4750U 80

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 84% 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 3900X 268
+32.5%
Ryzen 7 PRO 4750U 202

Ryzen 9 3900X outperforms Ryzen 7 PRO 4750U by 32% in x264 encoding pass 1.

Gaming performance

Pros & cons summary


Performance score 21.11 9.84
Recency 7 July 2019 7 May 2020
Physical cores 12 8
Threads 24 16
Power consumption (TDP) 125 Watt 15 Watt

The Ryzen 9 3900X is our recommended choice as it beats the Ryzen 7 PRO 4750U in performance tests.

Note that Ryzen 9 3900X is a desktop processor while Ryzen 7 PRO 4750U is a notebook one.


Should you still have questions on choice between Ryzen 9 3900X and Ryzen 7 PRO 4750U, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900X
Ryzen 9 3900X
AMD Ryzen 7 PRO 4750U
Ryzen 7 PRO 4750U

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