Ryzen 7 3700X vs Ryzen 7 7840S

Aggregate performance score

Ryzen 7 7840S
2023
8 cores / 16 threads, 35 Watt
15.30
+7.8%
Ryzen 7 3700X
2019
8 cores / 16 threads, 65 Watt
14.19

Ryzen 7 7840S outperforms Ryzen 7 3700X by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7840S and Ryzen 7 3700X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking452508
Place by popularitynot in top-10073
Cost-effectiveness evaluationno data18.46
Market segmentLaptopDesktop processor
SeriesPhoenix (Zen 4, Ryzen 7040)AMD Ryzen 7
Power efficiency41.3720.66
Architecture codenamePhoenix-HS (Zen 4) (2023)Matisse (Zen 2) (2019−2020)
Release date5 January 2023 (1 year ago)7 July 2019 (5 years ago)
Launch price (MSRP)no data$329

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 7840S and Ryzen 7 3700X 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)8 (Octa-Core)
Threads1616
Base clock speed3.8 GHz3.6 GHz
Boost clock speed5.1 GHz4.4 GHz
L1 cache512 KB96K (per core)
L2 cache8 MB512K (per core)
L3 cache16 MB32 MB
Chip lithography4 nm7 nm, 12 nm
Die size178 mm2no data
Maximum core temperature100 °Cno data
Number of transistorsno data19,200 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 7840S and Ryzen 7 3700X 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 configurationno data1 (Uniprocessor)
SocketFP7/FP7r2/FP8AM4
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7840S and Ryzen 7 3700X. You'll probably need this information if you require some particular technology.

Instruction set extensionsRyzen AI, 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, SMEno data
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7840S and Ryzen 7 3700X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840S and Ryzen 7 3700X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4 Dual-channel
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780M-

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 7840S 15.30
+7.8%
Ryzen 7 3700X 14.19

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 7840S 24309
+7.9%
Ryzen 7 3700X 22537

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 7840S 7579
+29.8%
Ryzen 7 3700X 5839

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 7840S 45931
+13.6%
Ryzen 7 3700X 40439

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 7840S 14547
+5.3%
Ryzen 7 3700X 13815

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 7840S 10.2
Ryzen 7 3700X 3.71
+175%

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 7840S 29
+23.4%
Ryzen 7 3700X 23

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 7840S 2223
+6.3%
Ryzen 7 3700X 2092

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 7840S 274
+34.3%
Ryzen 7 3700X 204

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 7840S 3.33
+44.8%
Ryzen 7 3700X 2.3

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 7840S 12.9
+13.2%
Ryzen 7 3700X 11.4

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 7840S 20369
+171%
Ryzen 7 3700X 7503

Geekbench 5.5 Multi-Core

Ryzen 7 7840S 11288
+26%
Ryzen 7 3700X 8960

Blender(-)

Ryzen 7 7840S 213
+17.4%
Ryzen 7 3700X 181

Geekbench 5.5 Single-Core

Ryzen 7 7840S 1939
+48.7%
Ryzen 7 3700X 1304

7-Zip Single

Ryzen 7 7840S 6328
+18.7%
Ryzen 7 3700X 5333

7-Zip

Ryzen 7 7840S 64696
+12.9%
Ryzen 7 3700X 57307

Gaming performance

Pros & cons summary


Performance score 15.30 14.19
Recency 5 January 2023 7 July 2019
Chip lithography 4 nm 7 nm
Power consumption (TDP) 35 Watt 65 Watt

Ryzen 7 7840S has a 7.8% higher aggregate performance score, an age advantage of 3 years, a 75% more advanced lithography process, and 85.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Ryzen 7 7840S and Ryzen 7 3700X.

Be aware that Ryzen 7 7840S is a notebook processor while Ryzen 7 3700X is a desktop one.


Should you still have questions on choice between Ryzen 7 7840S and Ryzen 7 3700X, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 7840S
Ryzen 7 7840S
AMD Ryzen 7 3700X
Ryzen 7 3700X

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