CPU Comparison

Intel Core i5-12450H vs Core i5-1245U

A side-by-side comparison of specs, performance and value. The Intel Core i5-12450H is a mobile processor designed for budget-friendly gaming laptops and portable workstations. Launched in early 2022, it belongs to the Alder Lake-H family and features a hybrid architecture with 8 cores (4 P-cores and 4 E-cores) and 12 threads. Operating at a base clock of 2.0 GHz and boosting up to 4.4 GHz, it provides solid performance for modern mobile workloads. Built on Intel's 10 nm process, it includes 12 MB of L3 cache and basic UHD Graphics. With a base TDP of 45 W, it balances performance and battery life. It supports both DDR4 and DDR5 memory, as well as PCIe 4.0. The i5-12450H is engineered to deliver reliable entry-level gaming and productivity performance for thin-and-light and mainstream laptop form factors.

Intel · Core i5
Intel Core i5-12450H
8C / 12T4.4 GHz45 W
8.2
Full review
Top pick
Intel · Core i5
Core i5-1245U
10C / 12T4.4 GHz15 W
8.6
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Mobile
Mobile
Segment
Mobile
Mobile
Generation
12th Gen
12th Gen
Launched
2022
2022
Status
Active
Active
Codename
Alder Lake-H
Alder Lake-U
Series
Core i5
Core i5
Family
12th Generation Alder Lake
Alder Lake
Predecessor
Core i5-11400H
Intel Core i5-1145G7
Successor
Core i5-13450H
Intel Core i5-1345U

Specifications Compared

Cores & Clocks
Cores
8
10
Threads
12
12
Base Clock
2 GHz
1.6 GHz
Boost Clock
4.4 GHz
4.4 GHz
Cache & Power
L3 Cache
12 MB
12 MB
TDP
45 W
15 W
Architecture
Architecture
Alder Lake-H
Alder Lake-U
Process Node
10nm
10nm
Memory
Memory Type
DDR4, DDR5
DDR4, DDR5
Memory Speed
DDR4-3200, DDR5-4800
DDR4-3200, DDR5-4800
Memory Channels
Dual (2)
Dual (2)
Max Memory
64 GB
64 GB
Platform & I/O
Socket
BGA 1744
Intel BGA 1744
PCIe Version
PCIe 4.0
PCIe 4.0
PCIe Lanes
20
20
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Intel Core i5-12450H78

8 cores provide smooth multitasking for daily laptop use.

Core i5-1245UBest89

Excellent for office apps, heavy browsing, and light coding.

Gaming

Intel Core i5-12450HBest75

Handles esports and mid-range gaming well when paired with a decent mobile GPU.

Core i5-1245U62

Good for casual and older titles at 1080p low settings.

Virtualization

Intel Core i5-12450H65

Can run basic VMs but limited by mobile power constraints.

Core i5-1245UBest80

Can handle light VMs, but memory bandwidth is a limit.

Efficiency

Intel Core i5-12450H85

Good balance of performance and battery life.

Core i5-1245UBest94

Dynamic power management ensures excellent battery life.

Specialized Performance

AI / ML

Intel Core i5-12450HLimited
  • Basic CPU inference
  • No dedicated AI hardware
Core i5-1245UModerate
  • Intel GNA 3.0 for background AI tasks

Content Creation

Intel Core i5-12450HAverage
Basic Photoshop1080p Video EditingOBS Streaming
Core i5-1245UModerate
PhotoshopLight 1080p Video Editing

Gaming

Intel Core i5-12450HGood
  • Suitable for budget gaming laptops
  • 4 P-cores handle games well
  • E-cores manage background tasks
Core i5-1245UCasual
  • Can run eSports titles at 60fps
  • Shares system memory, so RAM speed affects FPS

Industry Impact

Gaming
Moderate
Low
Workstations
Low
Low
Content Creation
Low
Moderate
Virtualization
Low
Moderate

Best CPU by Use Case

1080p Mobile Gaming
Good
School Work
Excellent
Office Productivity
Very Good
Excellent
Coding
Very Good
Video Editing
Average
Web Browsing
Excellent
Casual Gaming
Good
Programming
Very Good

Target Audience

Gamers
Targeted
Content Creators
Developers
Targeted
Targeted
Workstation Users
Streamers
Office / Productivity
Targeted
Targeted
Students
Targeted
Targeted

Strengths & Weaknesses

Intel Core i5-12450H

Pros

  • Hybrid 8-core design
  • Good single-core performance
  • Supports DDR5 and PCIe 4.0
  • Excellent for budget gaming laptops
  • Decent power efficiency

Cons

  • Only 12MB of L3 cache
  • Basic UHD integrated graphics
  • Locked multiplier
  • Soldered to motherboard (BGA)
Core i5-1245U

Pros

  • Excellent balance of performance and 15W power draw
  • 10 cores for heavy multitasking
  • Supports fast DDR5 memory
  • Strong single-core performance for an ultrabook chip
  • Good integrated graphics

Cons

  • Not suitable for heavy gaming
  • Locked multiplier
  • Soldered to motherboard
  • Can run warm under sustained all-core loads

Competitors & Alternatives

Intel Core i5-12450H

Core i5-1245U

Our Verdict on Each

A solid entry-level mobile processor bringing hybrid architecture to budget gaming laptops.

Best for: If you are shopping for an entry-level gaming laptop, the Core i5-12450H provides excellent value. It offers the core benefits of Intel's 12th Gen hybrid architecture without the premium price tag. It pairs well with mid-range mobile GPUs like the RTX 3050 or 4050. However, if you plan to do heavy video editing or 3D rendering, you might want to look for a laptop with the i5-12500H or i7-12700H for better multi-core performance. For pure 1080p gaming and school work, this CPU is more than sufficient.

Read the full review
Core i5-1245URecommended

A highly efficient U-series processor that hits the sweet spot for everyday productivity and portable computing.

Best for: Mainstream thin-and-light laptops

Read the full review

Frequently Asked Questions

Which is better, Intel Core i5-12450H or Core i5-1245U?

Based on our editorial ratings, the Core i5-1245U comes out ahead with a score of 8.6/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Which is faster for gaming, Intel Core i5-12450H or Core i5-1245U?

For gaming, the Intel Core i5-12450H leads with a gaming performance score of 75/100 among Intel Core i5-12450H and Core i5-1245U.

Which uses less power?

The Core i5-1245U has the lowest rated TDP. Power draw across these chips: Intel Core i5-12450H (45 W), Core i5-1245U (15 W).

Do Intel Core i5-12450H and Core i5-1245U use the same socket?

No. They use different sockets (Intel Core i5-12450H: BGA 1744, Core i5-1245U: Intel BGA 1744), so each needs a compatible motherboard.

Which has more cores?

The Core i5-1245U has the most cores. Core counts: Intel Core i5-12450H (8 cores), Core i5-1245U (10 cores).

Which is faster in multi-core benchmarks?

The Intel Core i5-12450H posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-12450H (15,000), Core i5-1245U (0). Benchmark figures are approximate and workload-dependent.