Ryzen 5 5500U vs Ryzen 9 3900XT

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Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
21.15
+151%

Ryzen 9 3900XT outperforms Ryzen 5 5500U by a whopping 151% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900XT and Ryzen 5 5500U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking234844
Place by popularitynot in top-10017
Cost-effectiveness evaluation36.51no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9AMD Lucienne (Zen 2, Ryzen 5000)
Architecture codenameMatisse 2 (2020)Lucienne-U (Zen 2)
Release date7 July 2020 (3 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$499no data
Current price$450 (0.9x MSRP)no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900XT and Ryzen 5 5500U 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 cores12 (Dodeca-Core)6 (Hexa-Core)
Threads2412
Base clock speed3.8 GHz2.1 GHz
Boost clock speed4.7 GHz4 GHz
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)512K (per core)
L3 cache64 MB8 MB (shared)
Chip lithography7 nm, 12 nm7 nm
Die size74 mm2156 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 million9,800 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesNo

Compatibility

Information on Ryzen 9 3900XT and Ryzen 5 5500U 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
SocketAM4FP6
Power consumption (TDP)105 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and Ryzen 5 5500U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataDDR4-3200/LPDDR4-4266 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMAno data+
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900XT and Ryzen 5 5500U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900XT and Ryzen 5 5500U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4
Maximum memory size128 GB64 GB
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data
ECC memory support+no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon RX Vega 7

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and Ryzen 5 5500U.

PCIe version4.03.0
PCI Express lanesno data12

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 3900XT 21.15
+151%
Ryzen 5 5500U 8.44

Ryzen 9 3900XT outperforms Ryzen 5 5500U by 151% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

Ryzen 9 3900XT 32709
+151%
Ryzen 5 5500U 13049

Ryzen 9 3900XT outperforms Ryzen 5 5500U by 151% in Passmark.

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.

Benchmark coverage: 42%

Ryzen 9 3900XT 1731
+33.7%
Ryzen 5 5500U 1295

Ryzen 9 3900XT outperforms Ryzen 5 5500U by 34% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Ryzen 9 3900XT 10064
+118%
Ryzen 5 5500U 4613

Ryzen 9 3900XT outperforms Ryzen 5 5500U by 118% in GeekBench 5 Multi-Core.

Gaming performance

Pros & cons summary


Performance score 21.15 8.44
Recency 7 July 2020 12 January 2021
Physical cores 12 6
Threads 24 12
Power consumption (TDP) 105 Watt 25 Watt

The Ryzen 9 3900XT is our recommended choice as it beats the Ryzen 5 5500U in performance tests.

Note that Ryzen 9 3900XT is a desktop processor while Ryzen 5 5500U is a notebook one.


Should you still have questions on choice between Ryzen 9 3900XT and Ryzen 5 5500U, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900XT
Ryzen 9 3900XT
AMD Ryzen 5 5500U
Ryzen 5 5500U

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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