i7-2840QM vs Ryzen 9 3900X

VS

Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 125 Watt
20.53
+748%
Core i7-2840QM
2011
4 cores / 8 threads, 45 Watt
2.42

Ryzen 9 3900X outperforms Core i7-2840QM by a whopping 748% 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 the ranking2751779
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation21.71no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9Intel Core i7
Power efficiency15.535.09
Architecture codenameMatisse (Zen 2) (2019−2020)Sandy Bridge (2011−2013)
Release date7 July 2019 (5 years ago)4 September 2011 (13 years ago)
Launch price (MSRP)$499no 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 typeno dataDMI 2.0
Bus rateno data4 × 5 GT/s
Multiplierno data24
L1 cache96K (per core)256 KB
L2 cache512K (per core)1 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 multiplier+-

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)125 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++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Precision Boost 2+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+-
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

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 20.53
+748%
i7-2840QM 2.42

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 3900X 32612
+749%
i7-2840QM 3842

Gaming performance

Pros & cons summary


Performance score 20.53 2.42
Recency 7 July 2019 4 September 2011
Physical cores 12 4
Threads 24 8
Chip lithography 7 nm 32 nm
Power consumption (TDP) 125 Watt 45 Watt

Ryzen 9 3900X has a 748.3% higher aggregate performance score, an age advantage of 7 years, 200% more physical cores and 200% more threads, and a 357.1% more advanced lithography process.

i7-2840QM, on the other hand, has 177.8% lower power consumption.

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

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Questions & comments

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