Core i5-12400F vs Ryzen 9 7945HX3D

Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

VS
AMD

Ryzen 9 7945HX3D

16 Cores32 Thrd55 WWMax: 5.4 GHz2023

Popular choices:

i5-12400F

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

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 6 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: +48.8% higher average FPS across 6 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 overall CPU here. You are getting a 48.8% average FPS lead across 6 shared CPU game tests in our data, 195.9% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 7945HX3D is the better pick here. According to our tests, it delivers 48.8% more average FPS across 6 shared CPU game tests. It also has a big cache advantage at 128 MB vs 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 better fit. You are getting 195.9% better PassMark, backed by 16 cores and 32 threads. It also carries 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 makes more sense if price matters more than absolute performance. Ryzen 9 7945HX3D is at an unclear MSRP at unclear MSRP versus $174 MSRP, and it gives you a 48.8% average FPS lead across 6 shared CPU game tests in our data. Core i5-12400F is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 7945HX3D is the more future-proof choice 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 hold up really well in CPU-limited games and high-refresh builds.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i5-12400FRyzen 9 7945HX3D
1080p
low183 FPS279 FPS
medium168 FPS257 FPS
high139 FPS210 FPS
ultra119 FPS178 FPS
1440p
low153 FPS263 FPS
medium132 FPS220 FPS
high106 FPS169 FPS
ultra89 FPS149 FPS
4K
low87 FPS183 FPS
medium81 FPS152 FPS
high64 FPS116 FPS
ultra49 FPS103 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-12400FRyzen 9 7945HX3D
1080p
low471 FPS673 FPS
medium397 FPS580 FPS
high341 FPS432 FPS
ultra301 FPS363 FPS
1440p
low407 FPS559 FPS
medium351 FPS499 FPS
high309 FPS385 FPS
ultra265 FPS301 FPS
4K
low282 FPS314 FPS
medium248 FPS284 FPS
high229 FPS250 FPS
ultra196 FPS211 FPS
League of Legends

League of Legends

PresetCore i5-12400FRyzen 9 7945HX3D
1080p
low488 FPS1025 FPS
medium488 FPS1077 FPS
high488 FPS1022 FPS
ultra488 FPS875 FPS
1440p
low488 FPS884 FPS
medium488 FPS805 FPS
high485 FPS740 FPS
ultra434 FPS647 FPS
4K
low442 FPS539 FPS
medium389 FPS464 FPS
high337 FPS418 FPS
ultra274 FPS355 FPS
Valorant

Valorant

PresetCore i5-12400FRyzen 9 7945HX3D
1080p
low488 FPS1051 FPS
medium488 FPS951 FPS
high488 FPS833 FPS
ultra488 FPS745 FPS
1440p
low488 FPS831 FPS
medium488 FPS736 FPS
high488 FPS645 FPS
ultra473 FPS555 FPS
4K
low488 FPS607 FPS
medium450 FPS544 FPS
high391 FPS482 FPS
ultra330 FPS416 FPS

Technical Specifications

Side-by-side comparison of Core i5-12400F and Ryzen 9 7945HX3D

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.

AMD

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.

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.

FeatureCore i5-12400FRyzen 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 199.6% 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).

FeatureCore i5-12400FRyzen 9 7945HX3D
Socket
LGA1700
FL1
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR5-4800, DDR4-3200
5200+103900%
Max RAM Capacity
128 GB+104857500%
128
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.

FeatureCore i5-12400FRyzen 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

The Core i5-12400F launched at $174 MSRP, while the Ryzen 9 7945HX3D debuted at $0. On MSRP ($174 vs $0), the Ryzen 9 7945HX3D is $174 cheaper.

FeatureCore i5-12400FRyzen 9 7945HX3D
MSRP
$174
$0-100%
Performance per Dollar
112.3
Release Date
2022
2023