i3-8145UE vs i9-14900K

Place in the ranking	81	1724
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	61.53	no data
Market segment	Desktop processor	Laptop
Power efficiency	28.66	16.28
Architecture codename	Raptor Lake-R (2023−2024)	Whiskey Lake-U (2018−2019)
Release date	17 October 2023 (1 year ago)	1 October 2018 (6 years ago)
Launch price (MSRP)	$589	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-14900K and Core i3-8145UE 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	24 (Tetracosa-Core)	2 (Dual-core)
Threads	32	4
Base clock speed	3.2 GHz	2.2 GHz
Boost clock speed	5.8 GHz	3.9 GHz
L1 cache	80 KB (per core)	64 KB (per core)
L2 cache	2 MB (per core)	256 KB (per core)
L3 cache	36 MB (shared)	4 MB (shared)
Chip lithography	Intel 7 nm	10 nm
Die size	257 mm²	no data
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-14900K and Core i3-8145UE 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	FCLGA1700	Intel BGA 1528
Power consumption (TDP)	125 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-14900K and Core i3-8145UE. 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)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
SIPP	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Core i9-14900K and Core i3-8145UE technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-14900K and Core i3-8145UE are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-14900K and Core i3-8145UE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR5	DDR4
Maximum memory size	192 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	89.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics 770	Intel UHD Graphics 620
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.65 GHz	no data
Execution Units	32	no data

Graphics interfaces

Available interfaces and connections of Core i9-14900K and Core i3-8145UE integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Core i9-14900K and Core i3-8145UE integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2160 @ 60Hz	no data
Max resolution over eDP	5120 x 3200 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core i9-14900K and Core i3-8145UE 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 i9-14900K and Core i3-8145UE.

PCIe version	5.0 and 4.0	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.

i9-14900K 37.86
+1367%

i3-8145UE 2.58

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.

i9-14900K 60145
+1367%

i3-8145UE 4099

Gaming performance

Pros & cons summary

Performance score	37.86	2.58
Integrated graphics card	6.15	2.67
Recency	17 October 2023	1 October 2018
Physical cores	24	2
Threads	32	4
Power consumption (TDP)	125 Watt	15 Watt

i9-14900K has a 1367.4% higher aggregate performance score, 130.3% faster integrated GPU, an age advantage of 5 years, and 1100% more physical cores and 700% more threads.

i3-8145UE, on the other hand, has 733.3% lower power consumption.

The Core i9-14900K is our recommended choice as it beats the Core i3-8145UE in performance tests.

Note that Core i9-14900K is a desktop processor while Core i3-8145UE is a notebook one.

Should you still have questions on choice between Core i9-14900K and Core i3-8145UE, ask them in Comments section, and we shall answer.