Core i5-10400F vs Core i7-14700KF

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020

Popular choices:

VS
Intel

Core i7-14700KF

20 Cores28 Thrd125 WWMax: 5.6 GHz2023

Popular choices:

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 i5-10400F

2020

Why buy it

  • Costs $224 less on MSRP ($160 MSRP vs $384 MSRP).
  • Draws 65W instead of 125W, a 60W reduction.
  • Includes a boxed cooler (Yes), unlike Core i7-14700KF.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-14700KF across 3 shared CPU benchmark tests.
  • Lower Cinebench R23 multi-core (8,191 vs 36,245).
  • Smaller total L3 cache (12 MB vs 33 MB).
  • Lower PassMark per dollar, at 81.4 vs 136.0 PassMark/$ ($160 MSRP vs $384 MSRP).
  • Older platform position on LGA1200 with DDR4, while Core i7-14700KF moves to LGA1700 and DDR5.

Core i7-14700KF

2023

Why buy it

  • Better for gaming: +67.7% higher average FPS across 3 shared CPU benchmark tests.
  • +175% larger total L3 cache (33 MB vs 12 MB).
  • Delivers 67.0% more PassMark for each dollar spent, at 136.0 vs 81.4 PassMark/$ ($384 MSRP vs $160 MSRP).
  • Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.
  • 25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • 140% HIGHER MSRP
    $384 MSRPvs$160 MSRP
  • 92.3% higher power demand at 125W vs 65W.
  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i7-14700KF better than Core i5-10400F?
Yes. Core i7-14700KF is the better overall CPU here. You are getting a 67.7% average FPS lead across 3 shared CPU game tests in our data, 342.5% better Cinebench R23 multi-core, 300.9% higher 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, Core i7-14700KF is the better pick here. According to our tests, it delivers 67.7% more average FPS across 3 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-14700KF is the better fit. You are getting 342.5% better Cinebench R23 multi-core, backed by 20 cores and 28 threads. It also carries the larger cache pool with 175% larger total L3 cache (33 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-14700KF is the smarter buy today. Core i7-14700KF is 140.0% more expensive on MSRP at $384 MSRP versus $160 MSRP, and it gives you a 67.7% average FPS lead across 3 shared CPU game tests in our data. It is also 67.0% better value on MSRP (136.0 vs 81.4 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i5-10400F 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 i7-14700KF is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with LGA1700 and DDR5 instead of LGA1200, 175% larger total L3 cache (33 MB vs 12 MB), and more multi-core headroom with 20 cores / 28 threads instead of 6/12. 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 i5-10400FCore i7-14700KF
1080p
low192 FPS349 FPS
medium152 FPS332 FPS
high123 FPS266 FPS
ultra100 FPS223 FPS
1440p
low153 FPS291 FPS
medium119 FPS246 FPS
high97 FPS185 FPS
ultra79 FPS162 FPS
4K
low82 FPS195 FPS
medium70 FPS164 FPS
high55 FPS123 FPS
ultra43 FPS111 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-10400FCore i7-14700KF
1080p
low326 FPS687 FPS
medium318 FPS581 FPS
high290 FPS485 FPS
ultra253 FPS440 FPS
1440p
low326 FPS594 FPS
medium292 FPS525 FPS
high267 FPS441 FPS
ultra234 FPS378 FPS
4K
low309 FPS347 FPS
medium258 FPS314 FPS
high235 FPS295 FPS
ultra199 FPS261 FPS
League of Legends

League of Legends

PresetCore i5-10400FCore i7-14700KF
1080p
low326 FPS647 FPS
medium326 FPS530 FPS
high326 FPS467 FPS
ultra326 FPS404 FPS
1440p
low326 FPS591 FPS
medium326 FPS492 FPS
high326 FPS427 FPS
ultra326 FPS372 FPS
4K
low326 FPS437 FPS
medium326 FPS382 FPS
high289 FPS346 FPS
ultra229 FPS295 FPS
Valorant

Valorant

PresetCore i5-10400FCore i7-14700KF
1080p
low326 FPS951 FPS
medium326 FPS865 FPS
high326 FPS750 FPS
ultra326 FPS674 FPS
1440p
low326 FPS802 FPS
medium326 FPS716 FPS
high326 FPS620 FPS
ultra326 FPS547 FPS
4K
low326 FPS565 FPS
medium326 FPS513 FPS
high326 FPS460 FPS
ultra326 FPS402 FPS

Technical Specifications

Side-by-side comparison of Core i5-10400F and Core i7-14700KF

Intel

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Intel

Core i7-14700KF

The Core i7-14700KF is manufactured by Intel. It was released in 17 October 2023 (2 years ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 20 cores and 28 threads. Base frequency is 3.4 GHz, with boost up to 5.6 GHz. L3 cache: 33 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 52,231 points. Launch price was $384.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core i7-14700KF offers 20 cores / 28 threads — the Core i7-14700KF has 14 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5.6 GHz on the Core i7-14700KF — a 26.3% clock advantage for the Core i7-14700KF (base: 2.9 GHz vs 3.4 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core i7-14700KF uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Core i5-10400F scores 13,029 against the Core i7-14700KF's 52,231 — a 120.1% lead for the Core i7-14700KF. Cinebench R23 multi-core: 8,191 vs 36,245 (126.3% advantage for the Core i7-14700KF). Geekbench 6 single-core — the metric most relevant to gaming — records 1,454 vs 2,921, a 67.1% lead for the Core i7-14700KF that directly translates to higher frame rates. Multi-core Geekbench: 5,783 vs 19,560 (108.7% advantage for the Core i7-14700KF). L3 cache: 12 MB (total) on the Core i5-10400F vs 33 MB (total) on the Core i7-14700KF.

FeatureCore i5-10400FCore i7-14700KF
Cores / Threads
6 / 12
20 / 28+233%
Boost Clock
4.3 GHz
5.6 GHz+30%
Base Clock
2.9 GHz
3.4 GHz+17%
L3 Cache
12 MB (total)
33 MB (total)+175%
L2 Cache
256K (per core)
2 MB (per core)+700%
Process
14 nm
Intel 7 nm-50%
Architecture
Comet Lake (2020−2025)
Raptor Lake-R (2023−2025)
PassMark
13,029
52,231+301%
Cinebench R23 Multi
8,191
36,245+342%
Geekbench 6 Single
1,454
2,921+101%
Geekbench 6 Multi
5,783
19,560+238%
🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Core i7-14700KF uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-5600 on the Core i7-14700KF — the Core i7-14700KF supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-14700KF supports up to 192 GB of RAM compared to 128 GB 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 20 (Core i7-14700KF) — the Core i7-14700KF offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and LGA1700 (Core i7-14700KF).

FeatureCore i5-10400FCore i7-14700KF
Socket
LGA1200
LGA1700
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2666
DDR5-5600+25%
Max RAM Capacity
128 GB
192 GB+50%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
16
20+25%
🔧

Advanced Features

Only the Core i7-14700KF has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i7-14700KF supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

FeatureCore i5-10400FCore i7-14700KF
Integrated GPU
No
No
Unlocked
No
Yes
AVX-512
No
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d
Target Use
Gaming
💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Core i7-14700KF debuted at $384. On MSRP ($160 vs $384), the Core i5-10400F is $224 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 136.0 pts/$ for the Core i7-14700KF — making the Core i7-14700KF the 50.2% better value option.

FeatureCore i5-10400FCore i7-14700KF
MSRP
$160-58%
$384
Performance per Dollar
81.4
136.0+67%
Release Date
2020
2023