Product Compare

Intel Core i9 9940X vs Intel Core Ultra 5 250K Plus

	CPU Intel Core i9 9940X	CPU Intel Core Ultra 5 250K Plus
General Parameters
Release Date	Oct 2018	Mar 2026
Manufacturer	Intel	Intel
Type	Desktop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Skylake	Arrow Lake
Processor Number	i9-9940X	250K+
Integrated Graphics	N/A	Arc iGPU (4-Cores)
Package
Manufacturing Process	14 nm	3 nm
Socket	LGA-2066	FCLGA-1851
Power Consumption	165 W	125 W
Peak Operating Temperature	88 °C	105 °C
Transistor Count		17.8 billions
Max Turbo Power Consumption		159 W
CPU Performance
Performance Cores	14	6
Performance Core Threads	28	6
Performance Core Base Frequency	3.3 GHz	4.2 GHz
Performance Core Turbo Frequency	4.4 GHz	5.3 GHz
Total Core Count	14	18
Total Thread Count	28	18
Bus Frequency	100 MHz	100 MHz
Multiplier	33x	42
L1 Cache	64 K per core	192 K per core
L2 Cache	1 MB per core	3 MB per core
L3 Cache	20 MB shared	30 MB shared
Unlocked Multiplier	Yes	Yes
Efficiency Cores		12
Efficiency Core Threads		12
Efficiency Core Base Frequency		3.3 GHz
Efficiency Core Turbo Frequency		4.6 GHz
Memory Parameters
Memory Types	DDR4-2666	DDR5-7200
Max Memory Size	128 GB
Max Memory Channels	4
Max Memory Bandwidth	85 GB/s	115.2 GB/s
ECC Memory Support	No	Yes
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	3.0	5.0
PCIe Lanes	44	24
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2, AVX-512
Graphics Card Parameters
Integrated Graphics		true
GPU Base Frequency		300 MHz
GPU Max Dynamic Frequency		1900 MHz
Shader Units		512
Texture Units		32
Raster Operation Units		16
Execution Units		64
Power Consumption		14
Benchmarks
Cinebench R23 Single Core	1228	2319
Cinebench R23 Multi Core	15351	28965
Geekbench 6 Single Core	1328	3231
Geekbench 6 Multi Core	9787	21067