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CPU comparison

Intel Core Ultra 5 245K vs AMD Ryzen 9 3900X

Benchmark comparison and full specifications, with the measured difference and a clear winner for gaming, office work, daily use and content creation.

ACheck Price on AmazonIntel Core Ultra 5 245KBCheck Price on AmazonAMD Ryzen 9 3900X

As an Amazon Associate we earn from qualifying purchases. Prices and availability are set by Amazon.

APart A

Intel

Core Ultra 5 245K

  • Blender render score 272 samples/min
  • Cores 14
  • Max boost clock 5.2 GHz
VS

BPart B

AMD

Ryzen 9 3900X

  • Blender render score 275 samples/min
  • Cores 12
  • Max boost clock 4.6 GHz
Compare other parts

01 · Performance profile

How they score

Scores out of 100 for each way you might use a processor. The chart shows where both parts rank among all 667 CPUs in our database.

Measured performance

AMD Ryzen 9 3900X is 1% faster in the Blender benchmark

AIntel Core Ultra 5 245K272

Median of 28 submissions

BAMD Ryzen 9 3900X275

Median of 12 submissions

Blender Benchmark render score (samples per minute, higher is faster), the median of community-submitted results from Blender Open Data.

A
B
Lowest: 2Average: 22Highest: 79

Gaming

A57%Good
B57%Good

Too close to call

Office Work

A70%Good
B40%Fair

Better pick: Core Ultra 5 245K · Integrated graphics: Yes vs No

Daily Use

A62%Good
B41%Fair

Better pick: Core Ultra 5 245K · Integrated graphics: Yes vs No

Content Creation

A44%Fair
B50%Fair

Better pick: Ryzen 9 3900X · Threads: 24 vs 14

02 · Verdict

Intel Core Ultra 5 245K comes out ahead

It wins 4 of 8 compared specifications and scores higher overall. Check current prices before you buy.

AIntel Core Ultra 5 245K

58/100

BAMD Ryzen 9 3900X

47/100

AIntel Core Ultra 5 245K

Advantages

  • Integrated graphics Yes vs No
  • Cores 14 vs 12 (17% higher)
  • Max boost clock 5.2 GHz vs 4.6 GHz (13% higher)
  • Base clock 4.2 GHz vs 3.8 GHz (11% higher)

Disadvantages

  • L3 cache 24 MB vs 64 MB (63% lower)
  • Threads 14 vs 24 (42% lower)
  • TDP / base power 125 W vs 105 W (19% higher)
  • Blender render score 272 samples/min vs 275 samples/min (1% lower)

BAMD Ryzen 9 3900X

Advantages

  • L3 cache 64 MB vs 24 MB (167% higher)
  • Threads 24 vs 14 (71% higher)
  • TDP / base power 105 W vs 125 W (16% lower)
  • Blender render score 275 samples/min vs 272 samples/min (1% higher)

Disadvantages

  • Integrated graphics No vs Yes
  • Cores 12 vs 14 (14% lower)
  • Max boost clock 4.6 GHz vs 5.2 GHz (12% lower)
  • Base clock 3.8 GHz vs 4.2 GHz (10% lower)

03 · Full comparison

Side-by-side specifications

SpecificationAIntel Core Ultra 5 245KBAMD Ryzen 9 3900X
Measured performance
Blender render scoreMedian of community-submitted Blender Benchmark results (Blender Open Data). Higher is faster.272 samples/min275 samples/min Better +1%
Benchmark submissionsHow many results the median is based on. Small numbers are less reliable.2812
Cores & clocks
Cores14 Better +17%12
Efficiency (E) cores8—
Threads1424 Better +71%
Base clock4.2 GHz Better +11%3.8 GHz
Max boost clock5.2 GHz Better +13%4.6 GHz
Memory & cache
L3 cache24 MB64 MB Better +167%
Memory supportDDR5DDR4
Power
TDP / base power125 W105 W Better
Features
Integrated graphicsYes BetterNo
Platform
ArchitectureArrow LakeZen 2
SocketLGA1851AM4
Manufacturing processTSMC N3B7 nm
Release year20242019
Launch price$309$499

Ready to buy?

Prices change daily. Check the current price of each part.

ACheck Price on Amazon: Core Ultra 5 245KBCheck Price on Amazon: Ryzen 9 3900X

As an Amazon Associate we earn from qualifying purchases. Prices and availability are set by Amazon.

Intel Core Ultra 5 245K vs AMD Ryzen 9 3900X at a glance

This page compares the Intel Core Ultra 5 245K and the AMD Ryzen 9 3900X using published specifications and real measured benchmark results. In the Blender Benchmark, AMD Ryzen 9 3900X posts a median render score of 275 against 272 for Intel Core Ultra 5 245K, making it 1% faster. The medians are based on 12 and 28 community submissions.

Intel Core Ultra 5 245K: 14 cores, 14 threads, 5.2 GHz max boost clock, 125 W tdp / base power, released in 2024, launched at $309. AMD Ryzen 9 3900X: 12 cores, 24 threads, 4.6 GHz max boost clock, 105 W tdp / base power, released in 2019, launched at $499.

Our overall scores are 58 for Core Ultra 5 245K and 47 for Ryzen 9 3900X out of 100. By use case, the better pick is, for gaming: too close to call; for office work: Core Ultra 5 245K; for daily use: Core Ultra 5 245K; for content creation: Ryzen 9 3900X. Blender measures rendering rather than game frame rates, so treat the gaming result as a guide built from render performance and specifications.

Core Ultra 5 245K vs Ryzen 9 3900X FAQ

Which is faster, the Core Ultra 5 245K or the Ryzen 9 3900X?

In the Blender Benchmark, AMD Ryzen 9 3900X posts a median render score of 275 against 272 for Intel Core Ultra 5 245K, making it 1% faster. The medians are based on 12 and 28 community submissions.

Which uses more power, the Core Ultra 5 245K or the Ryzen 9 3900X?

The Intel Core Ultra 5 245K is rated at 125 W and the AMD Ryzen 9 3900X at 105 W, so the Ryzen 9 3900X draws 19% less on paper. Rated power is not the same as power drawn in your own workload.

How much did the Core Ultra 5 245K and the Ryzen 9 3900X cost at launch?

The Intel Core Ultra 5 245K launched at $309 and the AMD Ryzen 9 3900X at $499. Street prices change often, so check a current price before buying.

Is the Core Ultra 5 245K or the Ryzen 9 3900X better for gaming?

Our gaming scores for the two are within a few points of each other (57 and 57 out of 100). Blender is a rendering benchmark, so also look at independent game benchmarks.

More CPU comparisons

About this data

Benchmark numbers come from Blender Open Data, a public collection of results submitted by real users, shown as medians with the submission count. Specifications and launch prices are compiled from manufacturer information and may contain mistakes. See how it all works on thePC Parts Comparison page, or report an error through our contact page. This page contains affiliate links: if you buy through them we may earn a commission at no extra cost to you.