Ultra 5 125U vs Atom C3308

Primary details

Comparing Atom C3308 and Core Ultra 5 125U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated701
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
SeriesIntel AtomIntel Meteor Lake-U
Power efficiencyno data69.53
Architecture codenameGoldmont (2016−2017)Meteor Lake-P (2023)
Release date15 August 2017 (7 years ago)14 December 2023 (less than a year ago)
Launch price (MSRP)$32$363

Detailed specifications

Atom C3308 and Core Ultra 5 125U 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)12 (Dodeca-Core)
Threads214
Base clock speed1.6 GHz1.3 GHz
Boost clock speed2.1 GHz4.3 GHz
Multiplier16no data
L1 cache112 KB112 KB (per core)
L2 cache4 MB2 MB (per core)
L3 cache4 MB12 MB (shared)
Chip lithography14 nmIntel 4 nm
Maximum core temperature89 °C110 °C
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Atom C3308 and Core Ultra 5 125U 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
SocketFCBGA1310FCBGA2049
Power consumption (TDP)9.5 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3308 and Core Ultra 5 125U. 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)++
QuickAssist+no data
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology-+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, ONNX RT

Security technologies

Atom C3308 and Core Ultra 5 125U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Boot+no data
Secure Key++
SGX-no data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3308 and Core Ultra 5 125U are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3308 and Core Ultra 5 125U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4: 1866DDR5
Maximum memory size128 GB96 GB
Max memory channels12
Maximum memory bandwidth14.936 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Graphics
Quick Sync Video-+
Graphics max frequencyno data1.85 GHz

Graphics interfaces

Available interfaces and connections of Atom C3308 and Core Ultra 5 125U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Atom C3308 and Core Ultra 5 125U 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 C3308 and Core Ultra 5 125U integrated GPUs, sometimes API versions are included.

DirectXno data12.2
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Atom C3308 and Core Ultra 5 125U.

PCIe version34.0
PCI Express lanes612
PCI supportno data4.0
USB revision3no data
Total number of SATA ports6no data
Max number of SATA 6 Gb/s Ports6no data
Number of USB ports8no data
Integrated LAN4x2.5/1 GBEno data

Pros & cons summary


Recency 15 August 2017 14 December 2023
Physical cores 2 12
Threads 2 14
Power consumption (TDP) 9 Watt 15 Watt

Atom C3308 has 66.7% lower power consumption.

Ultra 5 125U, on the other hand, has an age advantage of 6 years, and 500% more physical cores and 600% more threads.

We couldn't decide between Atom C3308 and Core Ultra 5 125U. We've got no test results to judge.

Be aware that Atom C3308 is a server/workstation processor while Core Ultra 5 125U is a notebook one.


Should you still have questions on choice between Atom C3308 and Core Ultra 5 125U, 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.


Intel Atom C3308
Atom C3308
Intel Core Ultra 5 125U
Core Ultra 5 125U

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.


No user ratings yet.

Rate Atom C3308 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 86 votes

Rate Core Ultra 5 125U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Atom C3308 or Core Ultra 5 125U, agree or disagree with our judgements, or report an error or mismatch.