Core i5-12400F vs Ryzen 9 7945HX3D

CPU

GPU

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Core family

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Ryzen 9 7945HX3D

16 Cores32 Thrd55 WWMax: 5.4 GHz2023

Ryzen family

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Core i5-12400F vs Ryzen 9 7945HX3D Performance Spectrum

Core i5-12400F

6 / 12

19,532

0.0%

57,803

+195.9%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

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 i5-12400F vs Ryzen 9 7945HX3D 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 Ryzen 9 7945HX3D: 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

✅Includes a boxed cooler (Yes), unlike Ryzen 9 7945HX3D.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 57,803).
❌Launch MSRP is still $174 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌18.2% higher power demand at 65W vs 55W.
❌No integrated graphics, while Ryzen 9 7945HX3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 7945HX3D

2023

Why buy it

✅Better for gaming: +28.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 65W, a 10W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon 610M, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Ryzen 9 7945HX3D better than Core i5-12400F?

Yes. Ryzen 9 7945HX3D is the better all-around CPU here. It gives you a 28.4% average FPS lead across 50 shared CPU game tests in our data, 195.9% 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, Ryzen 9 7945HX3D is the better pick. According to our tests, it delivers 28.4% more average FPS across 50 shared CPU game tests. It also has a clear cache advantage at 128 MB versus 18 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 7945HX3D is the stronger fit. You are getting 195.9% better PassMark, backed by 16 cores and 32 threads. It also has the larger cache pool with 611.1% larger total L3 cache (128 MB vs 18 MB).

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

Ryzen 9 7945HX3D is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Ryzen 9 7945HX3D comes in at an unclear MSRP at unclear MSRP versus $174 MSRP, and it still gives you a 28.4% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 9 7945HX3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022), 3D V-Cache and a much larger 128 MB L3 cache instead of 18 MB, and more multi-core headroom with 16 cores / 32 threads instead of 6/12. That extra cache should keep paying off in CPU-limited games and high-refresh builds.

Core i5-12400F vs Ryzen 9 7945HX3D 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.

Ryzen 9 7945HX3D

The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Ryzen 9 7945HX3D offers 16 cores / 32 threads — the Ryzen 9 7945HX3D has 10 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.4 GHz on the Ryzen 9 7945HX3D — a 20.4% clock advantage for the Ryzen 9 7945HX3D (base: 2.5 GHz vs 2.3 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 9 7945HX3D uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Core i5-12400F scores 19,532 against the Ryzen 9 7945HX3D's 57,803 — a 99% lead for the Ryzen 9 7945HX3D. L3 cache: 18 MB (total) on the Core i5-12400F vs 128 MB (total) on the Ryzen 9 7945HX3D.

Feature	Core i5-12400F	Ryzen 9 7945HX3D
Cores / Threads	6 / 12	16 / 32+167%
Boost Clock	4.4 GHz	5.4 GHz+23%
Base Clock	2.5 GHz+9%	2.3 GHz
L3 Cache	18 MB (total)	128 MB (total)+611%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	5 nm-29%
Architecture	Alder Lake-S (2022)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	19,532	57,803+196%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Ryzen 9 7945HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus 5200 on the Ryzen 9 7945HX3D — the Ryzen 9 7945HX3D supports 8.3% 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: 20 (Core i5-12400F) vs 28 (Ryzen 9 7945HX3D) — the Ryzen 9 7945HX3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and FL1 (Ryzen 9 7945HX3D).

Feature	Core i5-12400F	Ryzen 9 7945HX3D
Socket	LGA1700	FL1
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	5200+8%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Ryzen 9 7945HX3D rivals Core Ultra 9 285HX.

Feature	Core i5-12400F	Ryzen 9 7945HX3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon 610M
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, AMD-V
Target Use	Gaming Performance/Value	—

💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Ryzen 9 7945HX3D came in at $0. On launch pricing ($174 vs $0), Ryzen 9 7945HX3D was $174 cheaper.

Feature	Core i5-12400F	Ryzen 9 7945HX3D
MSRP	$174	$0-100%
Performance per Dollar	112.3	—
Release Date	2022	2023

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