Core i7-2840QM vs Ryzen 9 3900X

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Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 105 Watt
21.11
+751%

Ryzen 9 3900X outperforms i7-2840QM by a whopping 751% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900X and Core i7-2840QM processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2381674
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation33.39no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9Intel Core i7
Architecture codenameMatisse (Zen 2) (2019−2020)Sandy Bridge (2011−2013)
Release date7 July 2019 (4 years ago)4 September 2011 (12 years ago)
Launch price (MSRP)$499no data
Current price$403 (0.8x MSRP)no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900X and Core i7-2840QM 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)4 (Quad-Core)
Threads248
Base clock speed3.8 GHzno data
Boost clock speed4.6 GHz2.4 GHz
Bus supportno data4 × 5 GT/s
L1 cache768 KB256 KB
L2 cache6 MB1 MB
L3 cache64 MB8 MB
Chip lithography7 nm, 12 nm32 nm
Die sizeno data216 mm2
Maximum core temperature95 °Cno data
Number of transistors19,200 million1160 Million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplierYesNo

Compatibility

Information on Ryzen 9 3900X and Core i7-2840QM 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 (Uniprocessor)
SocketAM4Socket G2
Power consumption (TDP)105 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Core i7-2840QM. You'll probably need this information if you require some particular technology.

AES-NI++
FMAno data+
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+

Security technologies

Ryzen 9 3900X and Core i7-2840QM technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900X and Core i7-2840QM are enumerated here.

AMD-V+no data
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and Core i7-2840QM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelno data
Maximum memory size128 GB32 GB
Max memory channels2no data
Maximum memory bandwidth51.196 GB/s25.598 GB/s
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel HD Graphics 3000

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 3900X 21.11
+751%
i7-2840QM 2.48

Ryzen 9 3900X outperforms Core i7-2840QM by 751% 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 3900X 32647
+750%
i7-2840QM 3842

Ryzen 9 3900X outperforms Core i7-2840QM by 750% in Passmark.

Gaming performance

Pros & cons summary


Performance score 21.11 2.48
Recency 7 July 2019 4 September 2011
Physical cores 12 4
Threads 24 8
Chip lithography 7 nm 32 nm
Power consumption (TDP) 105 Watt 45 Watt

The Ryzen 9 3900X is our recommended choice as it beats the Core i7-2840QM in performance tests.

Note that Ryzen 9 3900X is a desktop processor while Core i7-2840QM is a notebook one.


Should you still have questions on choice between Ryzen 9 3900X and Core i7-2840QM, 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 3900X
Ryzen 9 3900X
Intel Core i7-2840QM
Core i7-2840QM

Similar processor comparisons

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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

Here you can ask a question about Ryzen 9 3900X or Core i7-2840QM, agree or disagree with our judgements, or report an error or mismatch.