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 i5-12400F vs Core i9-9990XE 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 i5-12400F vs Core i9-9990XE: Pros, Cons & Final Verdict

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

Core i5-12400F

2022

Why buy it

✅Costs $1,826 less on MSRP ($174 MSRP vs $2,000 MSRP).
✅Delivers 644.3% more PassMark for each dollar spent, at 112.3 vs 15.1 PassMark/$ ($174 MSRP vs $2,000 MSRP).
✅Draws 65W instead of 255W, a 190W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA2066 and DDR4.
✅Includes a boxed cooler (Yes), unlike Core i9-9990XE.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-9990XE across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (657 vs 16,199).

Core i9-9990XE

2019

Why buy it

✅Better for gaming: +25.9% higher average FPS across 50 shared CPU benchmark tests.
✅120% more PCIe lanes (44 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 15.1 vs 112.3 PassMark/$ ($2,000 MSRP vs $174 MSRP).
❌292.3% higher power demand at 255W vs 65W.
❌Older platform position on LGA2066 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core i9-9990XE better than Core i5-12400F?

Yes. Core i9-9990XE is the better all-around CPU here. It gives you a 25.9% average FPS lead across 50 shared CPU game tests in our data, 2365.6% better Geekbench multi-core, and 54.4% higher PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i9-9990XE is the better pick. According to our tests, it delivers 25.9% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-9990XE is the stronger fit. You are getting 2365.6% better Geekbench multi-core, backed by 14 cores and 28 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-9990XE is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Core i9-9990XE comes in 1049.4% more expensive on MSRP at $2,000 MSRP versus $174 MSRP, and it still gives you a 25.9% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 644.3% better value on MSRP (112.3 vs 15.1 PassMark/$), which is why it can still make sense for tighter-budget builds on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i5-12400F can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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 2019) and a healthier platform with LGA1700 and DDR5 instead of LGA2066. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Core i9-9990XE Technical Specifications

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

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.

Core i9-9990XE

The Core i9-9990XE is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 4 GHz, with boost up to 5.1 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 255 Watt. Memory support: DDR4 Quad-channel. Passmark benchmark score: 30,162 points. Launch price was $2,800.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Core i9-9990XE offers 14 cores / 28 threads — the Core i9-9990XE has 8 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.1 GHz on the Core i9-9990XE — a 14.7% clock advantage for the Core i9-9990XE (base: 2.5 GHz vs 4 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i9-9990XE uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i5-12400F scores 19,532 against the Core i9-9990XE's 30,162 — a 42.8% lead for the Core i9-9990XE. Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 1,392, a 19.9% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 16,199 (184.4% advantage for the Core i9-9990XE). L3 cache: 18 MB (total) on the Core i5-12400F vs 19.25 MB (total) on the Core i9-9990XE.

Feature	Core i5-12400F	Core i9-9990XE
Cores / Threads	6 / 12	14 / 28+133%
Boost Clock	4.4 GHz	5.1 GHz+16%
Base Clock	2.5 GHz	4 GHz+60%
L3 Cache	18 MB (total)	19.25 MB (total)+7%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-S (2022)	Skylake (server) (2017−2018)
PassMark	19,532	30,162+54%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700+22%	1,392
Geekbench 6 Multi	657	16,199+2366%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Core i9-9990XE uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR4-2666 on the Core i9-9990XE — the Core i5-12400F supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 2 (Core i5-12400F) vs 4 (Core i9-9990XE). PCIe lanes: 20 (Core i5-12400F) vs 44 (Core i9-9990XE) — the Core i9-9990XE offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and X299 (Core i9-9990XE).

Feature	Core i5-12400F	Core i9-9990XE
Socket	LGA1700	LGA2066
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR5-4800, DDR4-3200+80%	DDR4-2666
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	4+100%
ECC Support	No	No
PCIe Lanes	20	44+120%

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d (Core i9-9990XE). Primary use case: Core i5-12400F targets Gaming Performance/Value, Core i9-9990XE targets HEDT. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Core i9-9990XE rivals Threadripper 2970WX.

Feature	Core i5-12400F	Core i9-9990XE
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Gaming Performance/Value	HEDT

💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Core i9-9990XE came in at $2000. On launch pricing ($174 vs $2000), Core i5-12400F was $1826 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 15.1 pts/$ for the Core i9-9990XE — making the Core i5-12400F the 152.6% better value option.

Feature	Core i5-12400F	Core i9-9990XE
MSRP	$174-91%	$2000
Performance per Dollar	112.3+644%	15.1
Release Date	2022	2019

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