A6-4400M vs Athlon X4 840

VS

Aggregate performance score

Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.09
+227%
A6-4400M
2012
2 cores / 2 threads, 35 Watt
0.64

Athlon X4 840 outperforms A6-4400M by a whopping 227% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 840 and A6-4400M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18752763
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Series4x AthlonAMD A-Series
Power efficiency3.041.73
Architecture codenameKaveri (2014−2015)Trinity (2012−2013)
Release dateAugust 2014 (10 years ago)15 May 2012 (12 years ago)

Detailed specifications

Athlon X4 840 and A6-4400M 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)2 (Dual-core)
Threads42
Base clock speed3.1 GHz2.7 GHz
Boost clock speed3.8 GHz3.2 GHz
L1 cache256K96 KB
L2 cache4 MB1 MB (shared)
L3 cacheno data0 KB
Chip lithography28 nm32 nm
Die size245 mm2246 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Athlon X4 840 and A6-4400M 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+FS1r2
Power consumption (TDP)65 watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and A6-4400M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI++
FMA++
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and A6-4400M are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and A6-4400M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3unknown

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon HD 7520G

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and A6-4400M.

PCIe version3.0no data
PCI Express lanes16no data

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
+227%
A6-4400M 0.64

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 3325
+229%
A6-4400M 1010

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 840 447
+40.6%
A6-4400M 318

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 1113
+175%
A6-4400M 404

Gaming performance

Pros & cons summary


Performance score 2.09 0.64
Recency on August 2014 15 May 2012
Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 32 nm
Power consumption (TDP) 65 Watt 35 Watt

Athlon X4 840 has a 226.6% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 14.3% more advanced lithography process.

A6-4400M, on the other hand, has 85.7% lower power consumption.

The Athlon X4 840 is our recommended choice as it beats the A6-4400M in performance tests.

Note that Athlon X4 840 is a desktop processor while A6-4400M is a notebook one.


Should you still have questions on choice between Athlon X4 840 and A6-4400M, ask them in Comments section, and we shall answer.

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AMD Athlon X4 840
Athlon X4 840
AMD A6-4400M
A6-4400M

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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

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