Ryzen 9 7900X3D vs Ryzen 7 5800U

VS

Aggregate performance score

Ryzen 7 5800U
2021
8 cores / 16 threads, 15 Watt
11.57
Ryzen 9 7900X3D
2023
12 cores / 24 threads, 120 Watt
31.74
+174%

Ryzen 9 7900X3D outperforms Ryzen 7 5800U by a whopping 174% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 5800U and Ryzen 9 7900X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking678130
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data49.27
Market segmentLaptopDesktop processor
SeriesAMD Cezanne (Zen 3, Ryzen 5000)AMD Ryzen 9
Power efficiency73.0025.03
Architecture codenameCezanne-U (Zen 3) (2021)Raphael (2023−2024)
Release date12 January 2021 (3 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)no data$599

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 5800U and Ryzen 9 7900X3D 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)12 (Dodeca-Core)
Threads1624
Base clock speed1.9 GHz4.4 GHz
Boost clock speed4.4 GHz5.6 GHz
Multiplier19no data
L1 cache64K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache16 MB (shared)128 MB (shared)
Chip lithography7 nm5 nm, 6 nm
Die size180 mm22x 71 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)no data47 °C
Number of transistors10,700 million13,140 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 5800U and Ryzen 9 7900X3D 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
SocketFP6AM5
Power consumption (TDP)15 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800U and Ryzen 9 7900X3D. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, 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 5800U and Ryzen 9 7900X3D are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800U and Ryzen 9 7900X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5-5200
Maximum memory sizeno data128 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2000 MHz)AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800U and Ryzen 9 7900X3D.

PCIe version3.05.0
PCI Express lanes824

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 5800U 11.57
Ryzen 9 7900X3D 31.74
+174%

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 5800U 18382
Ryzen 9 7900X3D 50411
+174%

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 7 5800U 1728
Ryzen 9 7900X3D 2858
+65.4%

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 7 5800U 6794
Ryzen 9 7900X3D 17585
+159%

Gaming performance

Pros & cons summary


Performance score 11.57 31.74
Integrated graphics card 9.05 1.98
Recency 12 January 2021 4 January 2023
Physical cores 8 12
Threads 16 24
Chip lithography 7 nm 5 nm
Power consumption (TDP) 15 Watt 120 Watt

Ryzen 7 5800U has 357.1% faster integrated GPU, and 700% lower power consumption.

Ryzen 9 7900X3D, on the other hand, has a 174.3% higher aggregate performance score, an age advantage of 1 year, 50% more physical cores and 50% more threads, and a 40% more advanced lithography process.

The Ryzen 9 7900X3D is our recommended choice as it beats the Ryzen 7 5800U in performance tests.

Be aware that Ryzen 7 5800U is a notebook processor while Ryzen 9 7900X3D is a desktop one.


Should you still have questions on choice between Ryzen 7 5800U and Ryzen 9 7900X3D, 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 5800U
Ryzen 7 5800U
AMD Ryzen 9 7900X3D
Ryzen 9 7900X3D

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.


4.2 779 votes

Rate Ryzen 7 5800U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 427 votes

Rate Ryzen 9 7900X3D on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 7 5800U or Ryzen 9 7900X3D, agree or disagree with our judgements, or report an error or mismatch.