Ultra 3 205 vs i5-9400F

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1374	not rated
Place by popularity	21	not in top-100
Cost-effectiveness evaluation	5.63	no data
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	no data
Power efficiency	3.51	no data
Designer	Intel	Intel
Manufacturer	Intel	TSMC
Architecture codename	Coffee Lake-R (2018−2019)	Arrow Lake-S (2024−2025)
Release date	8 January 2019 (7 years ago)	August 2025 (recently)
Launch price (MSRP)	$182	$140

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Core i5-9400F and Core Ultra 3 205 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	2.9 GHz	3.8 GHz
Boost clock speed	4.1 GHz	4.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	29	no data
L1 cache	64K (per core)	192 KB (per core)
L2 cache	256K (per core)	3 MB (per core)
L3 cache	9 MB (shared)	15 MB (shared)
Chip lithography	14 nm	3 nm
Die size	149 mm2	243 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i5-9400F and Core Ultra 3 205 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	1851
Power consumption (TDP)	65 Watt	57 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Core Ultra 3 205. 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
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Core i5-9400F and Core Ultra 3 205 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	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 i5-9400F and Core Ultra 3 205 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400F and Core Ultra 3 205. 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

no data

Arc Xe-LPG Graphics 16EU

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Core Ultra 3 205.

PCIe version	3.0	5.0
PCI Express lanes	16	24

Synthetic benchmarks

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	6	8
Threads	6	8
Chip lithography	14 nm	3 nm
Power consumption (TDP)	65 Watt	57 Watt