Pentium Gold 5405U vs Athlon X4 940

Primary details

Comparing Athlon X4 940 and Pentium Gold 5405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2150
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Pentium, Pentium Gold
Power efficiencyno data9.34
Architecture codenameBristol Ridge (2016−2019)Whiskey Lake-U (2018−2019)
Release date27 July 2017 (7 years ago)23 January 2019 (5 years ago)
Launch price (MSRP)no data$161

Detailed specifications

Athlon X4 940 and Pentium Gold 5405U 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)
Threads44
Base clock speed3.2 GHz2.3 GHz
Boost clock speed3.6 GHz2.3 GHz
Bus typeno dataOPI
Bus rateno data4 GT/s
Multiplierno data23
L1 cache128 KB (per core)64 KB (per core)
L2 cache512 KB (per core)256 KB (per core)
L3 cache0 KB2 MB (shared)
Chip lithography28 nm14 nm
Die size246 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Athlon X4 940 and Pentium Gold 5405U 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 (Uniprocessor)
SocketAM4FCBGA1528
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 940 and Pentium Gold 5405U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI++
FMA+-
AVX+-
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
My WiFino data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Smart Responseno data+

Security technologies

Athlon X4 940 and Pentium Gold 5405U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 940 and Pentium Gold 5405U 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 940 and Pentium Gold 5405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR3, DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® UHD Graphics for 8th Generation Intel® Processors
Max video memoryno data32 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz

Graphics interfaces

Available interfaces and connections of Athlon X4 940 and Pentium Gold 5405U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Athlon X4 940 and Pentium Gold 5405U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Athlon X4 940 and Pentium Gold 5405U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Athlon X4 940 and Pentium Gold 5405U.

PCIe versionno data2.0
PCI Express lanesno data12

Pros & cons summary


Recency 27 July 2017 23 January 2019
Physical cores 4 2
Chip lithography 28 nm 14 nm
Power consumption (TDP) 65 Watt 15 Watt

Athlon X4 940 has 100% more physical cores.

Pentium Gold 5405U, on the other hand, has an age advantage of 1 year, a 100% more advanced lithography process, and 333.3% lower power consumption.

We couldn't decide between Athlon X4 940 and Pentium Gold 5405U. We've got no test results to judge.

Note that Athlon X4 940 is a desktop processor while Pentium Gold 5405U is a notebook one.


Should you still have questions on choice between Athlon X4 940 and Pentium Gold 5405U, 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 940
Athlon X4 940
Intel Pentium Gold 5405U
Pentium Gold 5405U

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.3 12 votes

Rate Athlon X4 940 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 307 votes

Rate Pentium Gold 5405U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon X4 940 or Pentium Gold 5405U, agree or disagree with our judgements, or report an error or mismatch.