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 $245 less on MSRP ($160 MSRP vs $405 MSRP).
✅Delivers 79.4% more PassMark for each dollar spent, at 81.4 vs 45.4 PassMark/$ ($160 MSRP vs $405 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Core i7-10700KF.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-10700KF across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 18,380).
❌Smaller total L3 cache (12 MB vs 16 MB).

Core i7-10700KF

2020

Why buy it

✅Better for gaming: +51.0% higher average FPS across 4 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).

Trade-offs

❌Lower PassMark per dollar, at 45.4 vs 81.4 PassMark/$ ($405 MSRP vs $160 MSRP).
❌92.3% higher power demand at 125W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Core i7-10700KF

2020

Why buy it

✅Costs $245 less on MSRP ($160 MSRP vs $405 MSRP).
✅Delivers 79.4% more PassMark for each dollar spent, at 81.4 vs 45.4 PassMark/$ ($160 MSRP vs $405 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Core i7-10700KF.

Why buy it

✅Better for gaming: +51.0% higher average FPS across 4 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-10700KF across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 18,380).
❌Smaller total L3 cache (12 MB vs 16 MB).

Trade-offs

❌Lower PassMark per dollar, at 45.4 vs 81.4 PassMark/$ ($405 MSRP vs $160 MSRP).
❌92.3% higher power demand at 125W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i7-10700KF better than Core i5-10400F?

Yes. Core i7-10700KF is the better overall CPU here. You are getting a 51.0% average FPS lead across 4 shared CPU game tests in our data, 41.1% 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, Core i7-10700KF is the better pick here. According to our tests, it delivers 51.0% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-10700KF is the better fit. You are getting 41.1% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

Core i7-10700KF is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Core i7-10700KF is 153.1% more expensive on MSRP at $405 MSRP versus $160 MSRP, and it gives you a 51.0% average FPS lead across 4 shared CPU game tests in our data. Core i5-10400F is also 79.4% better value on MSRP (81.4 vs 45.4 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Core i7-10700KF is the more future-proof choice for 2026 and beyond. You are getting 33.3% larger total L3 cache (16 MB vs 12 MB) and more multi-core headroom with 8 cores / 16 threads instead of 6/12. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

Core i5-10400F Benchmark Check

Core i7-10700KF Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Core i7-10700KF
1080p
low	192 FPS	302 FPS
medium	152 FPS	265 FPS
high	123 FPS	223 FPS
ultra	100 FPS	191 FPS
1440p
low	153 FPS	247 FPS
medium	119 FPS	195 FPS
high	97 FPS	160 FPS
ultra	79 FPS	140 FPS
4K
low	82 FPS	170 FPS
medium	70 FPS	136 FPS
high	55 FPS	105 FPS
ultra	43 FPS	92 FPS

Open Core i5-10400F Open Core i7-10700KF

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Core i7-10700KF
1080p
low	326 FPS	460 FPS
medium	318 FPS	460 FPS
high	290 FPS	457 FPS
ultra	253 FPS	407 FPS
1440p
low	326 FPS	460 FPS
medium	292 FPS	460 FPS
high	267 FPS	422 FPS
ultra	234 FPS	362 FPS
4K
low	309 FPS	400 FPS
medium	258 FPS	342 FPS
high	235 FPS	320 FPS
ultra	199 FPS	275 FPS

Open Core i5-10400F Open Core i7-10700KF

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Core i7-10700KF
1080p
low	326 FPS	460 FPS
medium	326 FPS	460 FPS
high	326 FPS	460 FPS
ultra	326 FPS	460 FPS
1440p
low	326 FPS	460 FPS
medium	326 FPS	460 FPS
high	326 FPS	460 FPS
ultra	326 FPS	460 FPS
4K
low	326 FPS	460 FPS
medium	326 FPS	460 FPS
high	289 FPS	432 FPS
ultra	229 FPS	362 FPS

Open Core i5-10400F Open Core i7-10700KF

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Core i7-10700KF
1080p
low	326 FPS	460 FPS
medium	326 FPS	460 FPS
high	326 FPS	460 FPS
ultra	326 FPS	460 FPS
1440p
low	326 FPS	460 FPS
medium	326 FPS	460 FPS
high	326 FPS	460 FPS
ultra	326 FPS	460 FPS
4K
low	326 FPS	460 FPS
medium	326 FPS	460 FPS
high	326 FPS	460 FPS
ultra	326 FPS	437 FPS

Open Core i5-10400F Open Core i7-10700KF

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Core i7-10700KF

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.

Core i7-10700KF

The Core i7-10700KF 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 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 18,380 points. Launch price was $299.

⚡

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core i7-10700KF offers 8 cores / 16 threads — the Core i7-10700KF has 2 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5.1 GHz on the Core i7-10700KF — a 17% clock advantage for the Core i7-10700KF (base: 2.9 GHz vs 3.8 GHz). Both are built on the Comet Lake (2020−2025) architecture using a 14 nm process. In PassMark, the Core i5-10400F scores 13,029 against the Core i7-10700KF's 18,380 — a 34.1% lead for the Core i7-10700KF. L3 cache: 12 MB (total) on the Core i5-10400F vs 16 MB (total) on the Core i7-10700KF.

Feature	Core i5-10400F	Core i7-10700KF
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.3 GHz	5.1 GHz+19%
Base Clock	2.9 GHz	3.8 GHz+31%
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Comet Lake (2020−2025)	Comet Lake (2020−2025)
PassMark	13,029	18,380+41%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

🧠

Memory & Platform

Both processors use the LGA1200 socket with PCIe 3.0.

Feature	Core i5-10400F	Core i7-10700KF
Socket	LGA1200	LGA1200
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-10400F) / not specified (Core i7-10700KF). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Core i7-10700KF
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Gaming	—

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Core i7-10700KF debuted at $405. On MSRP ($160 vs $405), the Core i5-10400F is $245 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 45.4 pts/$ for the Core i7-10700KF — making the Core i5-10400F the 56.9% better value option.