Core i3-9350K vs Core i5-9400F

Primary Details

Comparing Core i5-9400F and Core i3-9350K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	995	1133
Place by popularity	26	not in top-100
Cost-Effectiveness Evaluation	17.46	10.27
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	no data
Architecture codename	Coffee Lake-R (2018−2019)	Coffee Lake (2017−2019)
Release date	8 January 2019 (5 years ago)	23 April 2019 (5 years ago)
Launch price (MSRP)	$182	no data
Current price	$138 (0.8x MSRP)	$199

Cost-Effectiveness Evaluation

Performance per price, higher is better.

i5-9400F has 70% better value for money than i3-9350K.

Detailed Specifications

Core i5-9400F and Core i3-9350K 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)	4 (Quad-Core)
Threads	6	4
Base clock speed	2.9 GHz	4 GHz
Boost clock speed	4.1 GHz	4.6 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	9 MB (shared)	6 MB (shared)
Chip lithography	14 nm	14 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i5-9400F and Core i3-9350K 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	FCLGA1151	FCLGA1151
Power consumption (TDP)	65 Watt	91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Core i3-9350K. 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	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	-	-
TSX	-	-
Idle States	+	+
Thermal Monitoring	+	+
SIPP	-	-
Status	Discontinued	Discontinued

Security technologies

Core i5-9400F and Core i3-9350K technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
MPX	+	+
Identity Protection	+	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Core i3-9350K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400F and Core i3-9350K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2400
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	37.5 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics 630
Max video memory	no data	64 GB
Quick Sync Video	no data	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.15 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i5-9400F and Core i3-9350K integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Core i5-9400F and Core i3-9350K integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2304@24Hz
Max resolution over eDP	no data	4096 x 2304@60Hz
Max resolution over DisplayPort	no data	4096 x 2304@60Hz

Graphics API support

APIs supported by Core i5-9400F and Core i3-9350K integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Core i3-9350K.

PCIe version	3.0	3.0
PCI Express lanes	16	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.

Core i5-9400F outperforms Core i3-9350K by 23% based on our aggregated benchmark results.

---

Pros & Cons Summary

---

Performance score	6.12	4.98
Recency	8 January 2019	23 April 2019
Physical cores	6	4
Threads	6	4
Power consumption (TDP)	65 Watt	91 Watt

---

Should you still have questions on choice between Core i5-9400F and Core i3-9350K, 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.

---