i5-1240U vs Ryzen 7 3800X

Aggregate performance score

Ryzen 7 3800X
2019
8 cores / 16 threads, 105 Watt
15.12
+82.8%

Ryzen 7 3800X outperforms Core i5-1240U by an impressive 83% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 3800X and Core i5-1240U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking483929
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation16.42no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7Intel Alder Lake-M
Power efficiency13.1383.79
Architecture codenameMatisse (2019−2020)Alder Lake-U (2022)
Release date27 May 2019 (5 years ago)23 February 2022 (2 years ago)
Launch price (MSRP)$399no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 3800X and Core i5-1240U 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)10 (Deca-Core)
Threads1612
Base clock speed3.9 GHz1.1 GHz
Boost clock speed4.5 GHz4.4 GHz
L1 cache512 KB80K (per core)
L2 cache4 MB1.25 MB (per core)
L3 cache32 MB12 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Maximum core temperatureno data100 °C
Number of transistors19,200 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 7 3800X and Core i5-1240U 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 configuration1 (Uniprocessor)1
SocketAM4FCBGA1781
Power consumption (TDP)105 Watt9 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3800X and Core i5-1240U. 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+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data-
SIPP-+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 7 3800X and Core i5-1240U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3800X and Core i5-1240U 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 7 3800X and Core i5-1240U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4, DDR5
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequency-900 MHz
Execution Units-80

Graphics interfaces

Available interfaces and connections of Ryzen 7 3800X and Core i5-1240U integrated GPUs.

Number of displays supported-4

Graphics image quality

Maximum display resolutions supported by Ryzen 7 3800X and Core i5-1240U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4-4096 x 2304 @ 60Hz
Max resolution over eDP-4096 x 2304 @ 120Hz
Max resolution over DisplayPort-7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 7 3800X and Core i5-1240U integrated GPUs, sometimes API versions are included.

DirectX-12.1
OpenGL-4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3800X and Core i5-1240U.

PCIe versionno data4.0
PCI Express lanesno data14

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 3800X 15.12
+82.8%
i5-1240U 8.27

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 7 3800X 23141
+82.9%
i5-1240U 12652

Gaming performance

Pros & cons summary


Performance score 15.12 8.27
Recency 27 May 2019 23 February 2022
Physical cores 8 10
Threads 16 12
Power consumption (TDP) 105 Watt 9 Watt

Ryzen 7 3800X has a 82.8% higher aggregate performance score, and 33.3% more threads.

i5-1240U, on the other hand, has an age advantage of 2 years, 25% more physical cores, and 1066.7% lower power consumption.

The Ryzen 7 3800X is our recommended choice as it beats the Core i5-1240U in performance tests.

Note that Ryzen 7 3800X is a desktop processor while Core i5-1240U is a notebook one.


Should you still have questions on choice between Ryzen 7 3800X and Core i5-1240U, 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 3800X
Ryzen 7 3800X
Intel Core i5-1240U
Core i5-1240U

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Community ratings

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Questions & comments

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