i5-14400T vs i3-1215U

Place in the ranking	1029	492
Place by popularity	17	not in top-100
Cost-effectiveness evaluation	no data	46.66
Market segment	Laptop	Desktop processor
Series	Intel Alder Lake-M	no data
Power efficiency	43.03	39.45
Architecture codename	Alder Lake-U (2022)	Raptor Lake-R (2023−2024)
Release date	23 February 2022 (2 years ago)	8 January 2024 (less than a year ago)
Launch price (MSRP)	no data	$221

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-1215U and Core i5-14400T 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 cores	6 (Hexa-Core)	10 (Deca-Core)
Threads	8	16
Base clock speed	1.2 GHz	1.5 GHz
Boost clock speed	4.4 GHz	4.5 GHz
L1 cache	80K (per core)	80 KB (per core)
L2 cache	1.25 MB (per core)	1.25 MB (per core)
L3 cache	10 MB (shared)	20 MB (shared)
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	no data	215 mm²
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Core i3-1215U and Core i5-14400T 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 configuration	1	1
Socket	FCBGA1744	FCLGA1700
Power consumption (TDP)	15 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-1215U and Core i5-14400T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Deep Learning Boost	+	+

Security technologies

Core i3-1215U and Core i5-14400T 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 i3-1215U and Core i5-14400T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-1215U and Core i5-14400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR5	DDR5-4800, DDR4-3200
Maximum memory size	64 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics for 12th Gen Intel Processors	Intel UHD Graphics 730
Quick Sync Video	+	+
Clear Video HD	no data	+
Graphics max frequency	1.1 GHz	1.55 GHz
Execution Units	64	24

Graphics interfaces

Available interfaces and connections of Core i3-1215U and Core i5-14400T integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i3-1215U and Core i5-14400T integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2304 @ 60Hz	4096 x 2160 @ 60Hz
Max resolution over eDP	4096 x 2304 @ 120Hz	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i3-1215U and Core i5-14400T integrated GPUs, sometimes API versions are included.

DirectX	12.1	12
OpenGL	4.6	4.5

Peripherals

Specifications and connection of peripherals supported by Core i3-1215U and Core i5-14400T.

PCIe version	4.0	5.0 and 4.0
PCI Express lanes	20	16

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.

i3-1215U 6.82

i5-14400T 14.59
+114%

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.

i3-1215U 10830

i5-14400T 23176
+114%

Gaming performance

Pros & cons summary

Performance score	6.82	14.59
Integrated graphics card	5.58	4.16
Recency	23 February 2022	8 January 2024
Physical cores	6	10
Threads	8	16
Power consumption (TDP)	15 Watt	35 Watt

i3-1215U has 34.1% faster integrated GPU, and 133.3% lower power consumption.

i5-14400T, on the other hand, has a 113.9% higher aggregate performance score, an age advantage of 1 year, and 66.7% more physical cores and 100% more threads.

The Core i5-14400T is our recommended choice as it beats the Core i3-1215U in performance tests.

Be aware that Core i3-1215U is a notebook processor while Core i5-14400T is a desktop one.

Should you still have questions on choice between Core i3-1215U and Core i5-14400T, ask them in Comments section, and we shall answer.