How do the scores compare?

AMD Ryzen 9 3900X scores 55.3/100 overall; Intel Core i7-14700KF scores 78.9/100. AMD Ryzen 9 3900X wins 7 individual spec rows, Intel Core i7-14700KF wins 14.

What are the main differences between the AMD Ryzen 9 3900X and the Intel Core i7-14700KF?

AMD Ryzen 9 3900X advantages: 94% higher L3 cache: 64 MB vs 33 MB; 50% higher Performance cores: 12 vs 8; 30% lower process: 7 nm vs 10 nm; 20% higher CPU PCIe lanes: 24 vs 20; 16% lower Base TDP: 105 W vs 125 W. Intel Core i7-14700KF advantages: Stronger single-core score: 82 vs 38; Stronger multi-core score: 83 vs 54; 367% higher L2 cache: 28 MB vs 6 MB; 90% higher Geekbench 6 (single): 2,922 vs 1,540; 83% higher Cinebench R23 (multi): 33,441 vs 18,300; Lower launch price: $384 vs $499.

Which is cheaper: AMD Ryzen 9 3900X or Intel Core i7-14700KF?

Intel Core i7-14700KF launched cheaper at $384, versus $499 for the AMD Ryzen 9 3900X.

AMD Ryzen 9 3900X vs Intel Core i7-14700KF

AMD

AMD Ryzen 9 3900X

$499

WINNER

Intel

Intel Core i7-14700KF

$384

37.6Single-core81.7

54.2Multi-core82.8

78.3Gamingspec-based68.6

7 spec wins — AMD Ryzen 9 3900X14 spec wins — Intel Core i7-14700KF

InnoReviews verdict

Intel Core i7-14700KF wins this desktop processor face-off, 78.9 to 55.3, pulling ahead mainly in single-core (+44) and multi-core (+29). AMD Ryzen 9 3900X still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the AMD Ryzen 9 3900X

94% higher L3 cache: 64 MB vs 33 MB
50% higher Performance cores: 12 vs 8
30% lower process: 7 nm vs 10 nm
20% higher CPU PCIe lanes: 24 vs 20
16% lower Base TDP: 105 W vs 125 W

Reasons to pick the Intel Core i7-14700KF

Stronger single-core score: 82 vs 38
Stronger multi-core score: 83 vs 54
367% higher L2 cache: 28 MB vs 6 MB
90% higher Geekbench 6 (single): 2,922 vs 1,540
83% higher Cinebench R23 (multi): 33,441 vs 18,300
Lower launch price: $384 vs $499

General

General comparison: AMD Ryzen 9 3900X versus Intel Core i7-14700KF
Spec	AMD Ryzen 9 3900X	Intel Core i7-14700KF
Announced	2019	2023
Socket	AM4	LGA1700
Process	7 nm+30%	10 nm
Base TDP	105 W+16%	125 W
Max turbo power	142 W	253 W+78%
Unlocked multiplier	Yes	Yes
Cooler included	Yes	No

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 3900X versus Intel Core i7-14700KF
Spec	AMD Ryzen 9 3900X	Intel Core i7-14700KF
Cores	12	20+67%
Performance cores	12+50%	8
Efficiency cores	0	12
Threads	24	28+17%
Base clock	3.8 GHz+12%	3.4 GHz
Boost clock	4.6 GHz	5.6 GHz+22%
L2 cache	6 MB	28 MB+367%
L3 cache	64 MB+94%	33 MB

Memory

Memory comparison: AMD Ryzen 9 3900X versus Intel Core i7-14700KF
Spec	AMD Ryzen 9 3900X	Intel Core i7-14700KF
Memory support	DDR4-3200	DDR5-5600 / DDR4-3200
Max memory	128 GB	192 GB+50%
Memory channels	2	2

Platform

Platform comparison: AMD Ryzen 9 3900X versus Intel Core i7-14700KF
Spec	AMD Ryzen 9 3900X	Intel Core i7-14700KF
PCIe version	4	5+25%
CPU PCIe lanes	24+20%	20

Benchmarks

Benchmarks comparison: AMD Ryzen 9 3900X versus Intel Core i7-14700KF
Spec	AMD Ryzen 9 3900X	Intel Core i7-14700KF
Geekbench 6 (single)	1,540Bottom 33%	2,922+90%Top 23%
Geekbench 6 (multi)	11,000Top 46%	19,147+74%Top 17%
Cinebench R23 (single)	1,300Bottom 34%	2,160+66%Top 14%
Cinebench R23 (multi)	18,300Top 31%	33,441+83%Top 12%
PassMark	32,600Top 37%	51,926+59%Top 15%

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