i3-N305 vs Ryzen 9 3900XT

Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
20.56
+228%
Core i3-N305
2023
8 cores / 8 threads, 15 Watt
6.27

Ryzen 9 3900XT outperforms Core i3-N305 by a whopping 228% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900XT and Core i3-N305 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2681063
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation24.97no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9no data
Power efficiency18.5339.56
Architecture codenameMatisse 2 (2020)Alder Lake-N (2023)
Release date7 July 2020 (4 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$499$309

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900XT and Core i3-N305 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)8 (Octa-Core)
Threads248
Base clock speed3.8 GHz0.1 GHz
Boost clock speed4.7 GHz3.8 GHz
L1 cache96K (per core)96 KB (per core)
L2 cache512K (per core)2 MB (per module)
L3 cache64 MB6 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die size74 mm2no data
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900XT and Core i3-N305 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
SocketAM4FCBGA1264
Power consumption (TDP)105 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and Core i3-N305. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data-
Thermal Monitoring-+
GPIOno data+
Precision Boost 2+no data

Security technologies

Ryzen 9 3900XT and Core i3-N305 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900XT and Core i3-N305 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900XT and Core i3-N305. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4, DDR5
Maximum memory size128 GB16 GB
Max memory channels21
Maximum memory bandwidth51.196 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel UHD Graphics
Quick Sync Video-+
Graphics max frequency-1.25 GHz
Execution Units-32

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900XT and Core i3-N305 integrated GPUs.

Number of displays supported-3

Graphics image quality

Maximum display resolutions supported by Ryzen 9 3900XT and Core i3-N305 integrated GPUs, including resolutions over different interfaces.

4K resolution support-+
Max resolution over HDMI 1.4-4096 x 2160@60Hz
Max resolution over DisplayPort-4096 x 2160@60Hz

Graphics API support

APIs supported by Ryzen 9 3900XT and Core i3-N305 integrated GPUs, sometimes API versions are included.

DirectX-12.1
OpenGL-4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and Core i3-N305.

PCIe version4.03.0
PCI Express lanesno data9
USB revisionno data2.0/3.2

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 20.56
+228%
i3-N305 6.27

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 9 3900XT 32666
+228%
i3-N305 9954

Gaming performance

Pros & cons summary


Performance score 20.56 6.27
Recency 7 July 2020 3 January 2023
Physical cores 12 8
Threads 24 8
Power consumption (TDP) 105 Watt 15 Watt

Ryzen 9 3900XT has a 227.9% higher aggregate performance score, and 50% more physical cores and 200% more threads.

i3-N305, on the other hand, has an age advantage of 2 years, and 600% lower power consumption.

The Ryzen 9 3900XT is our recommended choice as it beats the Core i3-N305 in performance tests.

Note that Ryzen 9 3900XT is a desktop processor while Core i3-N305 is a notebook one.


Should you still have questions on choice between Ryzen 9 3900XT and Core i3-N305, 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 9 3900XT
Ryzen 9 3900XT
Intel Core i3-N305
Core i3-N305

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.


4.7 417 votes

Rate Ryzen 9 3900XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 624 votes

Rate Core i3-N305 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 3900XT or Core i3-N305, agree or disagree with our judgements, or report an error or mismatch.