Ryzen 7 9700X vs Ryzen 7 7840U

VS

Aggregate performance score

Ryzen 7 7840U
2023
8 cores / 16 threads, 28 Watt
15.71
Ryzen 7 9700X
2024
8 cores / 16 threads, 65 Watt
23.33
+48.5%

Ryzen 7 9700X outperforms Ryzen 7 7840U by a considerable 49% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7840U and Ryzen 7 9700X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking435222
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data53.31
Market segmentLaptopDesktop processor
SeriesAMD Phoenix (Zen 4, Ryzen 7040)no data
Power efficiency53.1033.97
Architecture codenamePhoenix-U (Zen 4) (2023)Granite Ridge (2024)
Release dateMay 2023 (1 year ago)8 August 2024 (less than a year ago)
Launch price (MSRP)no data$359

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 7840U and Ryzen 7 9700X 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 speed3.3 GHz3.8 GHz
Boost clock speed5.1 GHz5.5 GHz
L1 cache64K (per core)80 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache16 MB (shared)32 MB (shared)
Chip lithography4 nm4 nm
Die size178 mm270.6 mm2
Maximum core temperature100 °C95 °C
Number of transistors25,000 million8,315 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 7840U and Ryzen 7 9700X 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
SocketFP8AM5
Power consumption (TDP)28 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7840U and Ryzen 7 9700X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataSMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7840U and Ryzen 7 9700X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840U and Ryzen 7 9700X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5600DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 780M ( - 2700 MHz)AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7840U and Ryzen 7 9700X.

PCIe version4.05.0
PCI Express lanes2024

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 7840U 15.71
Ryzen 7 9700X 23.33
+48.5%

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 7840U 24956
Ryzen 7 9700X 37065
+48.5%

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 7840U 6669
Ryzen 7 9700X 9457
+41.8%

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 7840U 38490
Ryzen 7 9700X 57914
+50.5%

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 7840U 12482
Ryzen 7 9700X 18794
+50.6%

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 7840U 3.51
Ryzen 7 9700X 2.36
+48.7%

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 7840U 23
Ryzen 7 9700X 36
+60.1%

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 7840U 1990
Ryzen 7 9700X 3178
+59.7%

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 7840U 264
Ryzen 7 9700X 346
+31.1%

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 7840U 2.79
Ryzen 7 9700X 4.06
+45.5%

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 7 7840U 8.5
Ryzen 7 9700X 16.1
+90.5%

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 7840U 5723
Ryzen 7 9700X 13549
+137%

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 7 7840U 109
Ryzen 7 9700X 176
+61.8%

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 7 7840U 237
Ryzen 7 9700X 376
+58.4%

Geekbench 5.5 Multi-Core

Ryzen 7 7840U 9382
Ryzen 7 9700X 14613
+55.8%

Blender(-)

Ryzen 7 7840U 260
+68.5%
Ryzen 7 9700X 154

Geekbench 5.5 Single-Core

Ryzen 7 7840U 1738
Ryzen 7 9700X 2507
+44.2%

7-Zip Single

Ryzen 7 7840U 5952
Ryzen 7 9700X 7894
+32.6%

7-Zip

Ryzen 7 7840U 55145
Ryzen 7 9700X 82553
+49.7%

WebXPRT 3

Ryzen 7 7840U 262
Ryzen 7 9700X 398
+51.9%

CrossMark Overall

Ryzen 7 7840U 1534
Ryzen 7 9700X 2174
+41.8%

WebXPRT 4 Overall

Ryzen 7 7840U 208
Ryzen 7 9700X 346
+66.3%

Blender v3.3 Classroom CPU(-)

Ryzen 7 7840U 421
+72.5%
Ryzen 7 9700X 244

Geekbench 6.3 Multi-Core

Ryzen 7 7840U 10584
Ryzen 7 9700X 16817
+58.9%

Geekbench 6.3 Single-Core

Ryzen 7 7840U 2394
Ryzen 7 9700X 3373
+40.9%

Gaming performance

Pros & cons summary


Performance score 15.71 23.33
Integrated graphics card 18.32 1.98
Power consumption (TDP) 28 Watt 65 Watt

Ryzen 7 7840U has 825.3% faster integrated GPU, and 132.1% lower power consumption.

Ryzen 7 9700X, on the other hand, has a 48.5% higher aggregate performance score.

The Ryzen 7 9700X is our recommended choice as it beats the Ryzen 7 7840U in performance tests.

Be aware that Ryzen 7 7840U is a notebook processor while Ryzen 7 9700X is a desktop one.


Should you still have questions on choice between Ryzen 7 7840U and Ryzen 7 9700X, 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 7 7840U
Ryzen 7 7840U
AMD Ryzen 7 9700X
Ryzen 7 9700X

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.


4.1 244 votes

Rate Ryzen 7 7840U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 305 votes

Rate Ryzen 7 9700X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 7 7840U or Ryzen 7 9700X, agree or disagree with our judgements, or report an error or mismatch.