Core Ultra 7 155U vs Core i3-8100T

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Aggregate performance score

Core i3-8100T
2018
4 cores / 4 threads, 35 Watt
3.41
Core Ultra 7 155U
2023
12 cores / 142 x 4.8 GHz Intel Redwood Cove P-Core8 x 3.8 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core threads, 15 Watt
10.57
+210%

Core Ultra 7 155U outperforms Core i3-8100T by a whopping 210% based on our aggregate benchmark results.

Primary details

Comparing Core i3-8100T and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking1485686
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.55no data
Market segmentDesktop processorLaptop
SeriesIntel Core i3Intel Meteor Lake-U
Architecture codenameCoffee Lake (2017−2019)Meteor Lake-P
Release date2 April 2018 (6 years ago)14 December 2023 (less than a year ago)
Launch price (MSRP)$117no data
Current price$178 (1.5x MSRP)no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-8100T and Core Ultra 7 155U 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)12 (Dodeca-Core)
Threads4142 x 4.8  GHz Intel Redwood Cove P-Core8 x 3.8  GHz Intel Crestmont E-Core2 x 2.1  GHz Intel Crestmont E-Core
Base clock speed3.1 GHz1.7 GHz
Boost clock speed3.1 GHz4.8 GHz
Bus support4 × 8 GT/sno data
L1 cache64K (per core)112 KB (per core)
L2 cache256K (per core)2 MB (per core)
L3 cache6 MB (shared)12 MB (shared)
Chip lithography14 nm7 nm
Die size126 mm2no data
Maximum core temperature82 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplierNoNo

Compatibility

Information on Core i3-8100T and Core Ultra 7 155U 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
SocketFCLGA1151FCBGA2049
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8100T and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
SIPP--
Turbo Boost Max 3.0no data-
StatusLaunchedLaunched

Security technologies

Core i3-8100T and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+no data
Identity Protection+no data
SGXYes with Intel® MEno data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-8100T and Core Ultra 7 155U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-8100T and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR5
Maximum memory size64 GB96 GB
Max memory channels22
Maximum memory bandwidth37.5 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630Intel® Graphics
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHz1.95 GHz
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-8100T and Core Ultra 7 155U integrated GPUs.

Number of displays supported34
eDP+no data
DisplayPort+no data
HDMI+no data
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i3-8100T and Core Ultra 7 155U integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hz4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP4096x2304@60Hz3840x2400 @ 120Hz
Max resolution over DisplayPort4096x2304@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i3-8100T and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.

DirectX1212.2
OpenGL4.54.6

Peripherals

Specifications and connection of peripherals supported by Core i3-8100T and Core Ultra 7 155U.

PCIe version3.04.0
PCI Express lanes1620
PCI supportno data4.0

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.

i3-8100T 3.41
Ultra 7 155U 10.57
+210%

Core Ultra 7 155U outperforms Core i3-8100T by 210% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

i3-8100T 5269
Ultra 7 155U 16345
+210%

Core Ultra 7 155U outperforms Core i3-8100T by 210% in Passmark.

Gaming performance

Pros & cons summary


Performance score 3.41 10.57
Recency 2 April 2018 14 December 2023
Physical cores 4 12
Threads 4 142 x 4.8 GHz Intel Redwood Cove P-Core8 x 3.8 GHz Intel Crestmont E-Core2 x 2.1 GHz Intel Crestmont E-Core
Chip lithography 14 nm 7 nm
Power consumption (TDP) 35 Watt 15 Watt

The Core Ultra 7 155U is our recommended choice as it beats the Core i3-8100T in performance tests.

Note that Core i3-8100T is a desktop processor while Core Ultra 7 155U is a notebook one.


Should you still have questions on choice between Core i3-8100T and Core Ultra 7 155U, ask them in Comments section, and we shall answer.

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Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i3-8100T
Core i3-8100T
Intel Core Ultra 7 155U
Core Ultra 7 155U

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Community ratings

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


3.3 80 votes

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Questions & comments

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