Ryzen 9 7845HX vs Ryzen 9 3950X

VS

Aggregate performance score

Ryzen 9 3950X
2019
16 cores / 32 threads, 105 Watt
24.37
Ryzen 9 7845HX
2023
12 cores / 24 threads, 55 Watt
28.71
+17.8%

Ryzen 9 7845HX outperforms Ryzen 9 3950X by a moderate 18% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3950X and Ryzen 9 7845HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking210159
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation18.75no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9no data
Power efficiency21.9549.37
Architecture codenameMatisse (Zen 2) (2019−2020)Dragon Range-HX (Zen 4) (2023−2024)
Release date14 November 2019 (5 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$799no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3950X and Ryzen 9 7845HX 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)12 (Dodeca-Core)
Threads3224
Base clock speed3.5 GHz3 GHz
Boost clock speed4.7 GHz5.2 GHz
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache64 MB64 MB (shared)
Chip lithography7 nm, 12 nmCCD = 5 nm, I/O = 6 nm
Die size2 x 72 mm + 125 mm (IO-Die) mm22x 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 9 3950X and Ryzen 9 7845HX 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 9 7845HX. 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 2MMX, 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 9 3950X and Ryzen 9 7845HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and Ryzen 9 7845HX. 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+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3950X and Ryzen 9 7845HX.

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 24.37
Ryzen 9 7845HX 28.71
+17.8%

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 3950X 38715
Ryzen 9 7845HX 45597
+17.8%

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 3950X 1730
Ryzen 9 7845HX 2651
+53.2%

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 3950X 10783
Ryzen 9 7845HX 13976
+29.6%

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 3950X 4002
Ryzen 9 7845HX 4320
+7.9%

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 3950X 209
Ryzen 9 7845HX 295
+41.1%

Geekbench 5.5 Multi-Core

Ryzen 9 3950X 12363
Ryzen 9 7845HX 15068
+21.9%

Blender(-)

Ryzen 9 3950X 126
+7.5%
Ryzen 9 7845HX 117

Geekbench 5.5 Single-Core

Ryzen 9 3950X 1306
Ryzen 9 7845HX 2008
+53.8%

7-Zip Single

Ryzen 9 3950X 5340
Ryzen 9 7845HX 7018
+31.4%

7-Zip

Ryzen 9 3950X 99467
Ryzen 9 7845HX 106033
+6.6%

WebXPRT 3

Ryzen 9 3950X 239
Ryzen 9 7845HX 357
+49.4%

Gaming performance

Pros & cons summary


Performance score 24.37 28.71
Recency 14 November 2019 4 January 2023
Physical cores 16 12
Threads 32 24
Power consumption (TDP) 105 Watt 55 Watt

Ryzen 9 3950X has 33.3% more physical cores and 33.3% more threads.

Ryzen 9 7845HX, on the other hand, has a 17.8% higher aggregate performance score, an age advantage of 3 years, and 90.9% lower power consumption.

The Ryzen 9 7845HX is our recommended choice as it beats the Ryzen 9 3950X in performance tests.

Note that Ryzen 9 3950X is a desktop processor while Ryzen 9 7845HX is a notebook one.


Should you still have questions on choice between Ryzen 9 3950X and Ryzen 9 7845HX, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3950X
Ryzen 9 3950X
AMD Ryzen 9 7845HX
Ryzen 9 7845HX

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