i5-11400F vs Athlon X4 840

VS

Aggregate performance score

Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.09
Core i5-11400F
2021
6 cores / 12 threads, 65 Watt
10.71
+412%

Core i5-11400F outperforms Athlon X4 840 by a whopping 412% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 840 and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1890732
Place by popularitynot in top-10030
Cost-effectiveness evaluationno data39.28
Market segmentDesktop processorDesktop processor
Series4x Athlonno data
Power efficiency3.0415.59
Architecture codenameKaveri (2014−2015)Rocket Lake (2021)
Release dateAugust 2014 (10 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)no data$157

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon X4 840 and Core i5-11400F 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 cores4 (Quad-Core)6 (Hexa-Core)
Threads412
Base clock speed3.1 GHz2.6 GHz
Boost clock speed3.8 GHz4.4 GHz
Bus rateno data8 GT/s
L1 cache256K64K (per core)
L2 cache4 MB256K (per core)
L3 cacheno data12 MB (shared)
Chip lithography28 nm14 nm
Die size245 mm2276 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
Number of transistors2,411 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Athlon X4 840 and Core i5-11400F 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
SocketSocket FM2+1200
Power consumption (TDP)65 watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Core i5-11400F. 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++
vProno data-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Athlon X4 840 and Core i5-11400F technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and Core i5-11400F 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 Athlon X4 840 and Core i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and Core i5-11400F.

PCIe version3.04.0
PCI Express lanes1620

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.

Athlon X4 840 2.09
i5-11400F 10.71
+412%

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.

Athlon X4 840 3318
i5-11400F 17005
+413%

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.

Athlon X4 840 448
i5-11400F 1980
+342%

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.

Athlon X4 840 1120
i5-11400F 7601
+579%

Gaming performance

Pros & cons summary


Performance score 2.09 10.71
Recency on August 2014 16 March 2021
Physical cores 4 6
Threads 4 12
Chip lithography 28 nm 14 nm

i5-11400F has a 412.4% higher aggregate performance score, an age advantage of 6 years, 50% more physical cores and 200% more threads, and a 100% more advanced lithography process.

The Core i5-11400F is our recommended choice as it beats the Athlon X4 840 in performance tests.


Should you still have questions on choice between Athlon X4 840 and Core i5-11400F, ask them in Comments section, and we shall answer.

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AMD Athlon X4 840
Athlon X4 840
Intel Core i5-11400F
Core i5-11400F

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Community ratings

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