Core i5-13400F vs Core i9-7940X

Intel

Core i5-13400F

10 Cores16 Thrd65 WWMax: 4.6 GHz2023

Popular choices:

VS
Intel

Core i9-7940X

14 Cores28 Thrd165 WWMax: 4.4 GHz2017

Popular choices:

i5-13400F

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 i5-13400F

2023

Why buy it

  • Better for gaming: +6.8% higher average FPS across 4 shared CPU benchmark tests.
  • Costs $1,203 less on MSRP ($196 MSRP vs $1,399 MSRP).
  • Delivers 601.9% more PassMark for each dollar spent, at 127.7 vs 18.2 PassMark/$ ($196 MSRP vs $1,399 MSRP).
  • Draws 65W instead of 165W, a 100W reduction.
  • Newer platform on LGA1700 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

  • Lower PassMark (25,029 vs 25,452).

Core i9-7940X

2017

Why buy it

  • +1.7% higher PassMark.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-13400F across 4 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 18.2 vs 127.7 PassMark/$ ($1,399 MSRP vs $196 MSRP).
  • 153.8% higher power demand at 165W vs 65W.
  • Older platform position on LGA2066 with DDR4, while Core i5-13400F moves to LGA1700 and DDR5.
  • No boxed cooler included, unlike Core i5-13400F.

Quick Answers

So, is Core i5-13400F better than Core i9-7940X?
It depends on what matters more to you. For gaming, Core i5-13400F is ahead with a 6.8% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-7940X pulls ahead with 1.7% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i9-7940X is the better fit. You are getting 1.7% better PassMark, backed by 14 cores and 28 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-13400F is the smarter buy today. Core i5-13400F is $1,203 cheaper on MSRP at $196 MSRP versus $1,399 MSRP, and it gives you a 6.8% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Core i9-7940X is still stronger for heavier multi-core work with 1.7% better PassMark. It is also 601.9% better value on MSRP (127.7 vs 18.2 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-13400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017) and a healthier platform with LGA1700 and DDR5 instead of LGA2066. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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 i5-13400FCore i9-7940X
1080p
low171 FPS168 FPS
medium158 FPS148 FPS
high132 FPS116 FPS
ultra112 FPS97 FPS
1440p
low143 FPS141 FPS
medium123 FPS121 FPS
high99 FPS95 FPS
ultra84 FPS80 FPS
4K
low81 FPS79 FPS
medium74 FPS73 FPS
high59 FPS57 FPS
ultra46 FPS44 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-13400FCore i9-7940X
1080p
low545 FPS446 FPS
medium464 FPS384 FPS
high389 FPS331 FPS
ultra356 FPS303 FPS
1440p
low458 FPS391 FPS
medium403 FPS344 FPS
high345 FPS298 FPS
ultra301 FPS261 FPS
4K
low280 FPS250 FPS
medium247 FPS219 FPS
high231 FPS205 FPS
ultra204 FPS179 FPS
League of Legends

League of Legends

PresetCore i5-13400FCore i9-7940X
1080p
low530 FPS534 FPS
medium449 FPS451 FPS
high415 FPS409 FPS
ultra375 FPS365 FPS
1440p
low490 FPS485 FPS
medium422 FPS415 FPS
high382 FPS374 FPS
ultra343 FPS334 FPS
4K
low393 FPS379 FPS
medium331 FPS319 FPS
high296 FPS283 FPS
ultra246 FPS233 FPS
Valorant

Valorant

PresetCore i5-13400FCore i9-7940X
1080p
low626 FPS636 FPS
medium626 FPS636 FPS
high626 FPS636 FPS
ultra626 FPS610 FPS
1440p
low626 FPS636 FPS
medium626 FPS636 FPS
high598 FPS573 FPS
ultra521 FPS500 FPS
4K
low535 FPS524 FPS
medium492 FPS475 FPS
high439 FPS418 FPS
ultra382 FPS364 FPS

Technical Specifications

Side-by-side comparison of Core i5-13400F and Core i9-7940X

Intel

Core i5-13400F

The Core i5-13400F is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 20 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, DDR4. Passmark benchmark score: 25,029 points. Launch price was $196.

Intel

Core i9-7940X

The Core i9-7940X is manufactured by Intel. It was released in 1 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 3.1 GHz, with boost up to 4.4 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): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 25,452 points. Launch price was $1,399.

Processing Power

The Core i5-13400F packs 10 cores / 16 threads, while the Core i9-7940X offers 14 cores / 28 threads — the Core i9-7940X has 4 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400F versus 4.4 GHz on the Core i9-7940X — a 4.4% clock advantage for the Core i5-13400F (base: 2.5 GHz vs 3.1 GHz). The Core i5-13400F uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Core i9-7940X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i5-13400F scores 25,029 against the Core i9-7940X's 25,452 — a 1.7% lead for the Core i9-7940X. L3 cache: 20 MB (total) on the Core i5-13400F vs 19.25 MB (total) on the Core i9-7940X.

FeatureCore i5-13400FCore i9-7940X
Cores / Threads
10 / 16
14 / 28+40%
Boost Clock
4.6 GHz+5%
4.4 GHz
Base Clock
2.5 GHz
3.1 GHz+24%
L3 Cache
20 MB (total)+4%
19.25 MB (total)
L2 Cache
1.25 MB (per core)+25%
1 MB (per core)
Process
Intel 7 nm-50%
14 nm
Architecture
Raptor Lake-S (2023−2024)
Skylake (server) (2017−2018)
PassMark
25,029
25,452+2%
Cinebench R23 Multi
16,211
Geekbench 6 Single
2,407
Geekbench 6 Multi
11,408
🧠

Memory & Platform

The Core i5-13400F uses the LGA1700 socket (PCIe 5.0), while the Core i9-7940X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i5-13400FCore i9-7940X
Socket
LGA1700
LGA2066
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
Max RAM Speed
DDR5-4800, DDR4-3200
Max RAM Capacity
192 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
20
🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-13400F) / not specified (Core i9-7940X). Primary use case: Core i5-13400F targets Gaming. Direct competitor: Core i5-13400F rivals Ryzen 5 7600.

FeatureCore i5-13400FCore i9-7940X
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Gaming
💰

Value Analysis

The Core i5-13400F launched at $196 MSRP, while the Core i9-7940X debuted at $1399. On MSRP ($196 vs $1399), the Core i5-13400F is $1203 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-13400F delivers 127.7 pts/$ vs 18.2 pts/$ for the Core i9-7940X — making the Core i5-13400F the 150.1% better value option.

FeatureCore i5-13400FCore i9-7940X
MSRP
$196-86%
$1399
Performance per Dollar
127.7+602%
18.2
Release Date
2023
2017