Core i5-6440HQ vs Core i5-12400F

Intel

Core i5-6440HQ

4 Cores4 Thrd45 WWMax: 3.5 GHz2015
Similar parts
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VS
Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022
Core family
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Core i5-6440HQ vs Core i5-12400F 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 i5-6440HQ vs Core i5-12400F 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 i5-6440HQ vs Core i5-12400F: Pros, Cons & Final Verdict

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

Core i5-6440HQ

2015

Why buy it

  • Draws 45W instead of 65W, a 20W reduction.
  • Integrated graphics onboard with HD Graphics 530, while Core i5-12400F needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-12400F across 13 shared CPU benchmark tests.
  • Lower PassMark (5,021 vs 19,532).
  • Smaller total L3 cache (6 MB vs 18 MB).
  • Lower PassMark per dollar, at 20.1 vs 112.3 PassMark/$ ($250 MSRP vs $174 MSRP).
  • Older platform position on BGA1440 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.

Core i5-12400F

2022

Why buy it

  • Better for gaming: +158.7% higher average FPS across 13 shared CPU benchmark tests.
  • +200% larger total L3 cache (18 MB vs 6 MB).
  • Costs $76 less on MSRP ($174 MSRP vs $250 MSRP).
  • Delivers 458.9% more PassMark for each dollar spent, at 112.3 vs 20.1 PassMark/$ ($174 MSRP vs $250 MSRP).
  • Newer platform on LGA1700 with DDR5 support instead of BGA1440 and DDR4.

Trade-offs

  • 44.4% higher power demand at 65W vs 45W.
  • No integrated graphics, while Core i5-6440HQ can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-12400F better than Core i5-6440HQ?
Yes. Core i5-12400F is the better all-around CPU here. It gives you a 158.7% average FPS lead across 13 shared CPU game tests in our data, 289% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i5-12400F is the better pick. According to our tests, it delivers 158.7% more average FPS across 13 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-12400F is the stronger fit. You are getting 289% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 200% larger total L3 cache (18 MB vs 6 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-12400F is the better buy right now. Core i5-12400F comes in $76 cheaper on MSRP at $174 MSRP versus $250 MSRP, and it still gives you a 158.7% average FPS lead across 13 shared CPU game tests in our data. It is also 458.9% better value on MSRP (112.3 vs 20.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-12400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2015), a healthier platform with LGA1700 and DDR5 instead of BGA1440, 200% larger total L3 cache (18 MB vs 6 MB), and more multi-core headroom with 6 cores / 12 threads instead of 4/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-6440HQ vs Core i5-12400F Technical Specifications

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

Intel

Core i5-6440HQ

The Core i5-6440HQ is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 3.5 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,021 points. Launch price was $250.

Intel

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

Processing Power

The Core i5-6440HQ packs 4 cores / 4 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 3.5 GHz on the Core i5-6440HQ versus 4.4 GHz on the Core i5-12400F — a 22.8% clock advantage for the Core i5-12400F (base: 2.6 GHz vs 2.5 GHz). The Core i5-6440HQ uses the Skylake (2015−2016) architecture (14 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core i5-6440HQ scores 5,021 against the Core i5-12400F's 19,532 — a 118.2% lead for the Core i5-12400F. L3 cache: 6 MB on the Core i5-6440HQ vs 18 MB (total) on the Core i5-12400F.

FeatureCore i5-6440HQCore i5-12400F
Cores / Threads
4 / 4
6 / 12+50%
Boost Clock
3.5 GHz
4.4 GHz+26%
Base Clock
2.6 GHz+4%
2.5 GHz
L3 Cache
6 MB
18 MB (total)+200%
L2 Cache
1 MB
1.25 MB (per core)+25%
Process
14 nm
Intel 7 nm-50%
Architecture
Skylake (2015−2016)
Alder Lake-S (2022)
PassMark
5,021
19,532+289%
Cinebench R23 Multi
12,380
Geekbench 6 Single
1,700
Geekbench 6 Multi
657
🧠

Memory & Platform

The Core i5-6440HQ uses the BGA1440 socket (PCIe 3.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i5-6440HQ versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-12400F supports 125% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 64 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-6440HQ) vs 20 (Core i5-12400F) — the Core i5-12400F offers 4 more lanes for additional GPUs or NVMe drives.

FeatureCore i5-6440HQCore i5-12400F
Socket
BGA1440
LGA1700
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2133
DDR5-4800, DDR4-3200+125%
Max RAM Capacity
64 GB
128 GB+100%
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16
20+25%
🔧

Advanced Features

Virtualization support: VT-x, VT-d (Core i5-6440HQ) vs VT-x, VT-d, EPT (Core i5-12400F). The Core i5-6440HQ includes integrated graphics (HD Graphics 530), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-6440HQ targets Mobile, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

FeatureCore i5-6440HQCore i5-12400F
Integrated GPU
Yes
No
IGPU Model
HD Graphics 530
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
VT-x, VT-d, EPT
Target Use
Mobile
Gaming Performance/Value
💰

Value Analysis

At launch, the Core i5-6440HQ was priced at $250, while the Core i5-12400F came in at $174. On launch pricing ($250 vs $174), Core i5-12400F was $76 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-6440HQ delivers 20.1 pts/$ vs 112.3 pts/$ for the Core i5-12400F — making the Core i5-12400F the 139.3% better value option.

FeatureCore i5-6440HQCore i5-12400F
MSRP
$250
$174-30%
Performance per Dollar
20.1
112.3+459%
Release Date
2015
2022

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