Ultra 5 238V vs i5-8400T

Primary details

Comparing Core i5-8400T and Core Ultra 5 238V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1269	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.84	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	no data
Power efficiency	12.68	no data
Architecture codename	Coffee Lake (2017−2019)	Lunar Lake (2024)
Release date	2 April 2018 (6 years ago)	24 September 2024 (less than a year ago)
Launch price (MSRP)	$182	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-8400T and Core Ultra 5 238V 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)	8 (Octa-Core)
Threads	6	8
Base clock speed	1.7 GHz	2.1 GHz
Boost clock speed	3.3 GHz	4.7 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	37 MHz
Multiplier	17	no data
L1 cache	384 KB	192 KB (per core)
L2 cache	1.5 MB	2.5 MB (per core)
L3 cache	9 MB (shared)	8 MB (shared)
Chip lithography	14 nm	3 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i5-8400T and Core Ultra 5 238V 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 (Uniprocessor)	1
Socket	FCLGA1151	Intel BGA 2833
Power consumption (TDP)	35 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400T and Core Ultra 5 238V. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i5-8400T and Core Ultra 5 238V technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400T and Core Ultra 5 238V are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400T and Core Ultra 5 238V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	Arc 130V
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.05 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-8400T and Core Ultra 5 238V integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Core i5-8400T and Core Ultra 5 238V integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Core i5-8400T and Core Ultra 5 238V integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8400T and Core Ultra 5 238V.

PCIe version	3.0	5.0
PCI Express lanes	16	4

Pros & cons summary

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Recency	2 April 2018	24 September 2024
Physical cores	6	8
Threads	6	8
Chip lithography	14 nm	3 nm
Power consumption (TDP)	35 Watt	17 Watt

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