i3-9350K vs i5-10300H

Place in the ranking	1179	1239
Place by popularity	34	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Comet Lake	no data
Power efficiency	11.06	5.04
Architecture codename	Comet Lake-H (2020)	Coffee Lake (2017−2019)
Release date	17 September 2020 (4 years ago)	23 April 2019 (5 years ago)

Detailed specifications

Core i5-10300H 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	4 (Quad-Core)	4 (Quad-Core)
Threads	8	4
Base clock speed	2.5 GHz	4 GHz
Boost clock speed	4.5 GHz	4.6 GHz
Bus rate	8 GT/s	8 GT/s
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	6 MB (shared)	6 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Core i5-10300H 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	FCBGA1440	FCLGA1151
Power consumption (TDP)	45 Watt	91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-10300H 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	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Turbo Boost Max 3.0	-	no data

Security technologies

Core i5-10300H 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 i5-10300H 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 i5-10300H and Core i3-9350K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2400
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	45.8 GB/s	37.5 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics for 10th Gen Intel Processors	Intel UHD Graphics 630
Max video memory	no data	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	1.05 GHz	1.15 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i5-10300H and Core i3-9350K integrated GPUs.

Number of displays supported	3	3
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-10300H and Core i3-9350K integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096 x 2304@30Hz	4096 x 2304@24Hz
Max resolution over eDP	4096 x 2304@60Hz	4096 x 2304@60Hz
Max resolution over DisplayPort	4096 x 2304@60Hz	4096 x 2304@60Hz

Graphics API support

APIs supported by Core i5-10300H and Core i3-9350K integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Core i5-10300H 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.

i5-10300H 5.26
+8.5%

i3-9350K 4.85

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.

i5-10300H 8353
+8.5%

i3-9350K 7700

Gaming performance

Pros & cons summary

Performance score	5.26	4.85
Integrated graphics card	5.58	3.09
Recency	17 September 2020	23 April 2019
Threads	8	4
Power consumption (TDP)	45 Watt	91 Watt

i5-10300H has a 8.5% higher aggregate performance score, 80.6% faster integrated GPU, an age advantage of 1 year, 100% more threads, and 102.2% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i5-10300H and Core i3-9350K.

Be aware that Core i5-10300H is a notebook processor while Core i3-9350K is a desktop one.

Should you still have questions on choice between Core i5-10300H and Core i3-9350K, ask them in Comments section, and we shall answer.