Ultra 5 135H vs Atom x5-E3940

VS

Aggregate performance score

Atom x5-E3940
2014
4 cores / 4 threads, 10 Watt
1.28
Core Ultra 5 135H
2023
14 cores / 18 threads, 28 Watt
14.98
+1070%

Core Ultra 5 135H outperforms Atom x5-E3940 by a whopping 1070% based on our aggregate benchmark results.

Primary details

Comparing Atom x5-E3940 and Core Ultra 5 135H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2303492
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Series5x Intel AtomIntel Meteor Lake-H
Power efficiency11.6748.78
Architecture codenameApollo Lake (2014−2016)Meteor Lake-H (2023)
Release date30 August 2014 (10 years ago)14 December 2023 (less than a year ago)
Launch price (MSRP)no data$342

Detailed specifications

Atom x5-E3940 and Core Ultra 5 135H 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)14 (Tetradeca-Core)
Threads418
Base clock speed1.6 GHz3.6 GHz
Boost clock speed1.8 GHz4.6 GHz
L1 cache56K (per core)112 KB (per core)
L2 cache2 MB (shared)2 MB (per core)
L3 cache0 KB18 MB (shared)
Chip lithography14 nmIntel 4 nm
Maximum core temperatureno data110 °C
Maximum case temperature (TCase)103 °Cno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Atom x5-E3940 and Core Ultra 5 135H 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 configuration1 (Uniprocessor)1
SocketIntel BGA 1296FCBGA2049
Power consumption (TDP)10 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-E3940 and Core Ultra 5 135H. 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++
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, ONNX RT

Security technologies

Atom x5-E3940 and Core Ultra 5 135H technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-E3940 and Core Ultra 5 135H are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-E3940 and Core Ultra 5 135H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR5
Maximum memory size8 GB96 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 500Intel® Arc™ graphics
Quick Sync Video-+
Graphics max frequencyno data2.2 GHz

Graphics interfaces

Available interfaces and connections of Atom x5-E3940 and Core Ultra 5 135H integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Atom x5-E3940 and Core Ultra 5 135H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data3840x2400 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom x5-E3940 and Core Ultra 5 135H integrated GPUs, sometimes API versions are included.

DirectXno data12.2
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Atom x5-E3940 and Core Ultra 5 135H.

PCIe version2.05.0
PCI Express lanes48
PCI supportno data5.0 and 4.0

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.

Atom x5-E3940 1.28
Ultra 5 135H 14.98
+1070%

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.

Atom x5-E3940 1953
Ultra 5 135H 22927
+1074%

Gaming performance

Pros & cons summary


Performance score 1.28 14.98
Recency 30 August 2014 14 December 2023
Physical cores 4 14
Threads 4 18
Power consumption (TDP) 10 Watt 28 Watt

Atom x5-E3940 has 180% lower power consumption.

Ultra 5 135H, on the other hand, has a 1070.3% higher aggregate performance score, an age advantage of 9 years, and 250% more physical cores and 350% more threads.

The Core Ultra 5 135H is our recommended choice as it beats the Atom x5-E3940 in performance tests.


Should you still have questions on choice between Atom x5-E3940 and Core Ultra 5 135H, ask them in Comments section, and we shall answer.

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Intel Atom x5-E3940
Atom x5-E3940
Intel Core Ultra 5 135H
Core Ultra 5 135H

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Community ratings

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Questions & comments

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