i9-14900T vs i7-1355U

VS

Aggregate performance score

Core i7-1355U
2023
10 cores / 12 threads, 15 Watt
9.69
Core i9-14900T
2024
24 cores / 32 threads, 35 Watt
25.68
+165%

Core i9-14900T outperforms Core i7-1355U by a whopping 165% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1355U and Core i9-14900T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking809194
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data37.58
Market segmentLaptopDesktop processor
SeriesIntel Raptor Lake-Uno data
Power efficiency58.9166.90
Architecture codenameRaptor Lake-U (2023)Raptor Lake-R (2023−2024)
Release date4 January 2023 (1 year ago)8 January 2024 (less than a year ago)
Launch price (MSRP)$469$549

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-1355U and Core i9-14900T 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 cores10 (Deca-Core)24 (Tetracosa-Core)
Threads1232
Base clock speed1.7 GHz1.1 GHz
Boost clock speed5 GHz5.5 GHz
L1 cache80K (per core)80 KB (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache12 MB (shared)36 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Die sizeno data257 mm2
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i7-1355U and Core i9-14900T 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
SocketFCBGA1744FCLGA1700
Power consumption (TDP)15 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1355U and Core i9-14900T. 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++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX++
Idle Statesno data+
Thermal Monitoring++
Flex Memory Access+no data
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost++

Security technologies

Core i7-1355U and Core i9-14900T technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-1355U and Core i9-14900T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1355U and Core i9-14900T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5200, DDR4-3200, LPDDR4x-4267DDR5-5600, DDR4-3200
Maximum memory size96 GB192 GB
Max memory channels22
Maximum memory bandwidthno data89.6 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleIntel UHD Graphics 770
Quick Sync Video++
Clear Video HDno data+
Graphics max frequency1.3 GHz1.65 GHz
Execution Units9632

Graphics interfaces

Available interfaces and connections of Core i7-1355U and Core i9-14900T integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i7-1355U and Core i9-14900T integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz4096 x 2160 @ 60Hz
Max resolution over eDP4096 x 2304 @ 120Hz5120 x 3200 @ 120Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-1355U and Core i9-14900T integrated GPUs, sometimes API versions are included.

DirectX12.112
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core i7-1355U and Core i9-14900T.

PCIe version4.05.0 and 4.0
PCI Express lanes816

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.

i7-1355U 9.69
i9-14900T 25.68
+165%

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.

i7-1355U 14836
i9-14900T 39300
+165%

Gaming performance

Pros & cons summary


Performance score 9.69 25.68
Recency 4 January 2023 8 January 2024
Physical cores 10 24
Threads 12 32
Power consumption (TDP) 15 Watt 35 Watt

i7-1355U has 133.3% lower power consumption.

i9-14900T, on the other hand, has a 165% higher aggregate performance score, an age advantage of 1 year, and 140% more physical cores and 166.7% more threads.

The Core i9-14900T is our recommended choice as it beats the Core i7-1355U in performance tests.

Be aware that Core i7-1355U is a notebook processor while Core i9-14900T is a desktop one.


Should you still have questions on choice between Core i7-1355U and Core i9-14900T, 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 Core i7-1355U
Core i7-1355U
Intel Core i9-14900T
Core i9-14900T

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Community ratings

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Questions & comments

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