Core i5-12450HX vs Core i7-9700K

Intel

Core i5-12450HX

8 Cores12 Thrd55 WWMax: 4.4 GHz2022
Core family
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VS
Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Core i5-12450HX vs Core i7-9700K Performance Spectrum

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i5-12450HX vs Core i7-9700K FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i5-12450HX vs Core i7-9700K: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-12450HX

2022

Why buy it

  • +25.5% higher PassMark.
  • Draws 55W instead of 95W, a 40W reduction.
  • Newer platform on FCBGA1964 with DDR5 support instead of LGA1151 and DDR4.
  • 200% more PCIe lanes (48 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.

Core i7-9700K

2018

Why buy it

  • Better for gaming: +18.2% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark (14,397 vs 18,064).
  • Launch MSRP is still $385 MSRP, while Core i5-12450HX mostly shows up through inconsistent older-market listings.
  • 72.7% higher power demand at 95W vs 55W.
  • Older platform position on LGA1151 with DDR4, while Core i5-12450HX moves to FCBGA1964 and DDR5.

Quick Answers

So, is Core i5-12450HX better than Core i7-9700K?
It depends on what you want from the system. For gaming, Core i7-9700K is ahead with a 18.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-12450HX pulls ahead with 25.5% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-12450HX is the stronger fit. You are getting 25.5% better PassMark, backed by 8 cores and 12 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-12450HX is still the much better call for a fresh build. Core i5-12450HX comes in at an unclear MSRP at unclear MSRP versus $385 MSRP, and it still gives you 25.5% better PassMark. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1151.
Which one is more future-proof for 2026 and beyond?
Core i5-12450HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2018), a healthier platform with FCBGA1964 and DDR5 instead of LGA1151, and more multi-core headroom with 8 cores / 12 threads instead of 8/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12450HX vs Core i7-9700K Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Core i5-12450HX

The Core i5-12450HX is manufactured by Intel. It was released in 10 May 2022 (3 years ago). It is based on the Alder Lake-HX (2022) architecture. It features 8 cores and 12 threads. Base frequency is 2.4 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 18,064 points. Launch price was $299.

Intel

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Processing Power

The Core i5-12450HX packs 8 cores / 12 threads, matching the Core i7-9700K's 8 cores. Boost clocks reach 4.4 GHz on the Core i5-12450HX versus 4.9 GHz on the Core i7-9700K — a 10.8% clock advantage for the Core i7-9700K (base: 2.4 GHz vs 3.6 GHz). The Core i5-12450HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Core i5-12450HX scores 18,064 against the Core i7-9700K's 14,397 — a 22.6% lead for the Core i5-12450HX. Both processors carry 12 MB (total) of L3 cache.

FeatureCore i5-12450HXCore i7-9700K
Cores / Threads
8 / 12
8 / 8
Boost Clock
4.4 GHz
4.9 GHz+11%
Base Clock
2.4 GHz
3.6 GHz+50%
L3 Cache
12 MB (total)
12 MB (total)
L2 Cache
1.25 MB (per core)
256K (per core)+20380%
Process
Intel 7 nm-50%
14 nm
Architecture
Alder Lake-HX (2022)
Coffee Lake-R (2018−2019)
PassMark
18,064+25%
14,397
Geekbench 6 Single
2,150
🧠

Memory & Platform

The Core i5-12450HX uses the FCBGA1964 socket (PCIe 3.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i5-12450HX versus DDR4-2666 on the Core i7-9700K — the Core i5-12450HX supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 48 (Core i5-12450HX) vs 16 (Core i7-9700K) — the Core i5-12450HX offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i5-12450HX) and Intel 300 series (Core i7-9700K).

FeatureCore i5-12450HXCore i7-9700K
Socket
FCBGA1964
LGA1151
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR5-4800+80%
DDR4-2666
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
48+200%
16
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d, EPT (Core i5-12450HX) vs VT-x, VT-d (Core i7-9700K). Both include integrated graphics UHD Graphics for 12th Gen (Core i5-12450HX) and UHD Graphics 630 (Core i7-9700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-12450HX targets Workstation/Enthusiast Laptop, Core i7-9700K targets Desktop. Direct competitor: Core i5-12450HX rivals Ryzen 5 7645HX.

FeatureCore i5-12450HXCore i7-9700K
Integrated GPU
Yes
Yes
IGPU Model
UHD Graphics for 12th Gen
UHD Graphics 630
Unlocked
Yes
Yes
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
VT-x, VT-d
Target Use
Workstation/Enthusiast Laptop
Desktop