PRO A4-8350B vs Athlon X4 840

VS

Aggregate performance score

Athlon X4 840
2014
4 cores / 4 threads, 65 Watt
2.09
+101%
PRO A4-8350B
2015
2 cores / 2 threads, 65 Watt
1.04

Athlon X4 840 outperforms PRO A4-8350B by a whopping 101% based on our aggregate benchmark results.

Primary details

Comparing Athlon X4 840 and PRO A4-8350B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18902448
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Series4x Athlonno data
Power efficiency3.041.51
Architecture codenameKaveri (2014−2015)Kaveri (2014−2015)
Release dateAugust 2014 (10 years ago)29 September 2015 (9 years ago)

Detailed specifications

Athlon X4 840 and PRO A4-8350B 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 GHz3.5 GHz
Boost clock speed3.8 GHz3.9 GHz
L1 cache256Kno data
L2 cache4 MB1024 KB
Chip lithography28 nm28 nm
Die size245 mm2245 mm2
Maximum core temperatureno data71 °C
Maximum case temperature (TCase)72 °C72 °C
Number of transistors2,411 million2,411 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Athlon X4 840 and PRO A4-8350B 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+FM2+
Power consumption (TDP)65 watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and PRO A4-8350B. You'll probably need this information if you require some particular technology.

AES-NI++
FMA++
AVX++
FRTC-+
FreeSync-+
PowerTune-+
DualGraphics-+
TrueAudio-+
PowerNow-+
PowerGating-+
Out-of-band client management-+
VirusProtect-+
RAID-+
HSA-+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and PRO A4-8350B are enumerated here.

AMD-V++
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and PRO A4-8350B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1866
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon R5 Graphics
iGPU core countno data4
จำนวนพาธไลน์no data256
Enduro-+
Switchable graphics-+
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of Athlon X4 840 and PRO A4-8350B integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by Athlon X4 840 and PRO A4-8350B integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 12
Vulkan-+

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and PRO A4-8350B.

PCIe version3.03.0
PCI Express lanes1616

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
+101%
PRO A4-8350B 1.04

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
+101%
PRO A4-8350B 1649

Gaming performance

Pros & cons summary


Performance score 2.09 1.04
Recency on August 2014 29 September 2015
Physical cores 4 2
Threads 4 2

Athlon X4 840 has a 101% higher aggregate performance score, and 100% more physical cores and 100% more threads.

PRO A4-8350B, on the other hand, has an age advantage of 1 year.

The Athlon X4 840 is our recommended choice as it beats the PRO A4-8350B in performance tests.


Should you still have questions on choice between Athlon X4 840 and PRO A4-8350B, 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 Athlon X4 840
Athlon X4 840
AMD PRO A4-8350B
PRO A4-8350B

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.8 626 votes

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3.3 6 votes

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Questions & comments

Here you can ask a question about Athlon X4 840 or PRO A4-8350B, agree or disagree with our judgements, or report an error or mismatch.