How do the scores compare?

Intel Core i3-8100 scores 24/100 overall; Intel Core Ultra 5 245K scores 71.2/100. Intel Core i3-8100 wins 2 individual spec rows, Intel Core Ultra 5 245K wins 18.

What are the main differences between the Intel Core i3-8100 and the Intel Core Ultra 5 245K?

Intel Core i3-8100 advantages: 48% lower Base TDP: 65 W vs 125 W; Has Cooler included — the other doesn't; Lower launch price: $117 vs $309. Intel Core Ultra 5 245K advantages: Stronger single-core score: 83 vs 26; Stronger multi-core score: 70 vs 24; 2500% higher L2 cache: 26 MB vs 1 MB; 606% higher PassMark: 43,049 vs 6,100; 560% higher Cinebench R23 (multi): 25,066 vs 3,800.

Which is cheaper: Intel Core i3-8100 or Intel Core Ultra 5 245K?

Intel Core i3-8100 launched cheaper at $117, versus $309 for the Intel Core Ultra 5 245K.

Intel Core i3-8100 vs Intel Core Ultra 5 245K

Intel

Intel Core i3-8100

$117

WINNER

Intel

Intel Core Ultra 5 245K

$309

26.3Single-core83.2

23.7Multi-core70.2

21.9Gamingspec-based58.4

2 spec wins — Intel Core i3-810018 spec wins — Intel Core Ultra 5 245K

InnoReviews verdict

Intel Core Ultra 5 245K wins this desktop processor face-off, 71.2 to 24, pulling ahead mainly in single-core (+57) and multi-core (+47). Intel Core i3-8100 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Intel Core i3-8100

48% lower Base TDP: 65 W vs 125 W
Has Cooler included — the other doesn't
Lower launch price: $117 vs $309

Reasons to pick the Intel Core Ultra 5 245K

Stronger single-core score: 83 vs 26
Stronger multi-core score: 70 vs 24
2500% higher L2 cache: 26 MB vs 1 MB
606% higher PassMark: 43,049 vs 6,100
560% higher Cinebench R23 (multi): 25,066 vs 3,800

General

General comparison: Intel Core i3-8100 versus Intel Core Ultra 5 245K
Spec	Intel Core i3-8100	Intel Core Ultra 5 245K
Announced	2017	2024
Socket	LGA1151-v2	LGA1851
Process	14 nm	3 nm+79%
Base TDP	65 W+48%	125 W
Max turbo power	—	159 W
Unlocked multiplier	No	Yes
Cooler included	Yes	No

Cores & Clocks

Cores & Clocks comparison: Intel Core i3-8100 versus Intel Core Ultra 5 245K
Spec	Intel Core i3-8100	Intel Core Ultra 5 245K
Cores	4	14+250%
Performance cores	4	6+50%
Efficiency cores	0	8
Threads	4	14+250%
Base clock	3.6 GHz	4.2 GHz+17%
Boost clock	3.6 GHz	5.2 GHz+44%
L2 cache	1 MB	26 MB+2500%
L3 cache	6 MB	24 MB+300%

Integrated GPU

Integrated GPU comparison: Intel Core i3-8100 versus Intel Core Ultra 5 245K
Spec	Intel Core i3-8100	Intel Core Ultra 5 245K
iGPU	Intel UHD Graphics 630	Intel Graphics
iGPU clock	1,100 MHz	1,900 MHz

Memory

Memory comparison: Intel Core i3-8100 versus Intel Core Ultra 5 245K
Spec	Intel Core i3-8100	Intel Core Ultra 5 245K
Memory support	DDR4-2400	DDR5-6400
Max memory	64 GB	256 GB+300%
Memory channels	2	2

Platform

Platform comparison: Intel Core i3-8100 versus Intel Core Ultra 5 245K
Spec	Intel Core i3-8100	Intel Core Ultra 5 245K
PCIe version	3	5+67%
CPU PCIe lanes	16	24+50%

Benchmarks

Benchmarks comparison: Intel Core i3-8100 versus Intel Core Ultra 5 245K
Spec	Intel Core i3-8100	Intel Core Ultra 5 245K
Geekbench 6 (single)	1,200Bottom 16%	3,040+153%Top 17%
Geekbench 6 (multi)	3,350Bottom 9%	17,575+425%Top 23%
Cinebench R23 (single)	—	2,132Top 17%
Cinebench R23 (multi)	3,800Bottom 8%	25,066+560%Top 20%
PassMark	6,100Bottom 7%	43,049+606%Top 22%

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Intel Core i3-8100vs Intel Core i5-4690KVS Intel Core i3-8100vs Intel Core i7-3770VS Intel Core i3-8100vs Intel Core i7-4770VS Intel Core i3-8100vs Intel Core i5-6500VS Intel Core Ultra 5 245Kvs AMD Ryzen 7 9700XVS Intel Core Ultra 5 245Kvs AMD Ryzen 9 5950XVS Intel Core Ultra 5 245Kvs AMD Ryzen 7 7800X3DVS Intel Core Ultra 5 245Kvs Intel Core i9-12900KVS

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