Atom x5-E3940 vs Celeron 3205U

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Aggregate performance score

Celeron 3205U
2015
2 cores / 2 threads, 15 Watt
0.60
Atom x5-E3940
2014
4 cores / 4 threads, 10 Watt
1.23
+105%

Atom x5-E3940 outperforms Celeron 3205U by a whopping 105% based on our aggregate benchmark results.

Primary details

Comparing Celeron 3205U and Atom x5-E3940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28102324
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Celeron5x Intel Atom
Power efficiency3.7811.63
Architecture codenameBroadwell-U (2015)Apollo Lake (2014−2016)
Release date1 March 2015 (9 years ago)30 August 2014 (10 years ago)
Launch price (MSRP)$107no data

Detailed specifications

Celeron 3205U and Atom x5-E3940 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 cores2 (Dual-core)4 (Quad-Core)
Threads24
Base clock speed1.5 GHz1.6 GHz
Boost clock speed1.5 GHz1.8 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)56K (per core)
L2 cache256K (per core)2 MB (shared)
L3 cache2 MB (shared)0 KB
Chip lithography14 nm14 nm
Die size82 mm2no data
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)105 °C103 °C
Number of transistors1300 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Celeron 3205U and Atom x5-E3940 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)
SocketFCBGA1168Intel BGA 1296
Power consumption (TDP)15 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3205U and Atom x5-E3940. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Celeron 3205U and Atom x5-E3940 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
Identity Protection+-
OS Guard-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3205U and Atom x5-E3940 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3205U and Atom x5-E3940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1866
Maximum memory size16 GB8 GB
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics for 5th Generation Intel ProcessorsIntel HD Graphics 500
Quick Sync Video+-
Clear Video+no data
Graphics max frequency800 MHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Celeron 3205U and Atom x5-E3940 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-

Graphics API support

APIs supported by Celeron 3205U and Atom x5-E3940 integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data

Peripherals

Specifications and connection of peripherals supported by Celeron 3205U and Atom x5-E3940.

PCIe version2.02.0
PCI Express lanes124

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.

Celeron 3205U 0.60
Atom x5-E3940 1.23
+105%

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.

Celeron 3205U 947
Atom x5-E3940 1953
+106%

Gaming performance

Pros & cons summary


Performance score 0.60 1.23
Recency 1 March 2015 30 August 2014
Physical cores 2 4
Threads 2 4
Power consumption (TDP) 15 Watt 10 Watt

Celeron 3205U has an age advantage of 6 months.

Atom x5-E3940, on the other hand, has a 105% higher aggregate performance score, 100% more physical cores and 100% more threads, and 50% lower power consumption.

The Atom x5-E3940 is our recommended choice as it beats the Celeron 3205U in performance tests.


Should you still have questions on choice between Celeron 3205U and Atom x5-E3940, ask them in Comments section, and we shall answer.

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Intel Celeron 3205U
Celeron 3205U
Intel Atom x5-E3940
Atom x5-E3940

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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

Here you can ask a question about Celeron 3205U or Atom x5-E3940, agree or disagree with our judgements, or report an error or mismatch.