Ryzen 9 7950X vs Ryzen 3 5400U

Aggregate performance score

Ryzen 3 5400U
2021
4 cores / 8 threads, 15 Watt
6.97
Ryzen 9 7950X
2022
16 cores / 32 threads, 170 Watt
39.47
+466%

Ryzen 9 7950X outperforms Ryzen 3 5400U by a whopping 466% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 3 5400U and Ryzen 9 7950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking100266
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Cezanne (Zen 3, Ryzen 5000)no data
Power efficiency43.9721.97
Architecture codenameCezanne-U (Zen 3) (2021)Raphael (Zen 4) (2022)
Release date12 January 2021 (3 years ago)27 September 2022 (2 years ago)

Detailed specifications

Ryzen 3 5400U and Ryzen 9 7950X 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 cores4 (Quad-Core)16 (Hexadeca-Core)
Threads832
Base clock speed2.6 GHz4.5 GHz
Boost clock speed4 GHz5.7 GHz
Multiplier26no data
L1 cache64K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache8 MB (shared)64 MB (shared)
Chip lithography7 nm5 nm
Die size180 mm2CCD = 2x 70 sq. mm, I/O = 122 mm2
Maximum core temperature105 °C95 °C
Maximum case temperature (TCase)no data47 °C
Number of transistors10,700 million13140 Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 3 5400U and Ryzen 9 7950X 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 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 3 5400U and Ryzen 9 7950X. 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, SMECCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 V
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 3 5400U and Ryzen 9 7950X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 3 5400U and Ryzen 9 7950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5-5200

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 6 (Ryzen 4000/5000)AMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by Ryzen 3 5400U and Ryzen 9 7950X.

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 3 5400U 6.97
Ryzen 9 7950X 39.47
+466%

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 3 5400U 11067
Ryzen 9 7950X 62701
+467%

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 3 5400U 1515
Ryzen 9 7950X 2985
+97%

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 3 5400U 4485
Ryzen 9 7950X 19454
+334%

Geekbench 5.5 Multi-Core

Ryzen 3 5400U 3095
Ryzen 9 7950X 23897
+672%

Gaming performance

Pros & cons summary


Performance score 6.97 39.47
Integrated graphics card 6.04 4.42
Recency 12 January 2021 27 September 2022
Physical cores 4 16
Threads 8 32
Chip lithography 7 nm 5 nm
Power consumption (TDP) 15 Watt 170 Watt

Ryzen 3 5400U has 36.7% faster integrated GPU, and 1033.3% lower power consumption.

Ryzen 9 7950X, on the other hand, has a 466.3% higher aggregate performance score, an age advantage of 1 year, 300% more physical cores and 300% more threads, and a 40% more advanced lithography process.

The Ryzen 9 7950X is our recommended choice as it beats the Ryzen 3 5400U in performance tests.

Be aware that Ryzen 3 5400U is a notebook processor while Ryzen 9 7950X is a desktop one.


Should you still have questions on choice between Ryzen 3 5400U and Ryzen 9 7950X, 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 3 5400U
Ryzen 3 5400U
AMD Ryzen 9 7950X
Ryzen 9 7950X

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.


4.2 120 votes

Rate Ryzen 3 5400U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 1605 votes

Rate Ryzen 9 7950X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 3 5400U or Ryzen 9 7950X, agree or disagree with our judgements, or report an error or mismatch.