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 $249 less on MSRP ($160 MSRP vs $409 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅Includes a boxed cooler (Yes), unlike Core i7-12700K.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 6 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 34,347).
❌Smaller total L3 cache (12 MB vs 25 MB).
❌Older platform position on LGA1200 with DDR4, while Core i7-12700K moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Core i7-12700K

2021

Why buy it

✅Better for gaming: +63.8% higher average FPS across 6 shared CPU benchmark tests.
✅+108.3% larger total L3 cache (25 MB vs 12 MB).
✅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.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Core i5-10400F needs a discrete GPU.

Trade-offs

❌
155.6% HIGHER MSRP
$409 MSRPvs$160 MSRP
❌92.3% higher power demand at 125W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Core i7-12700K

2021

Why buy it

✅Costs $249 less on MSRP ($160 MSRP vs $409 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅Includes a boxed cooler (Yes), unlike Core i7-12700K.

Why buy it

✅Better for gaming: +63.8% higher average FPS across 6 shared CPU benchmark tests.
✅+108.3% larger total L3 cache (25 MB vs 12 MB).
✅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.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Core i5-10400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700K across 6 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 34,347).
❌Smaller total L3 cache (12 MB vs 25 MB).
❌Older platform position on LGA1200 with DDR4, while Core i7-12700K moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i7-12700K can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌
155.6% HIGHER MSRP
$409 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 i7-12700K better than Core i5-10400F?

Yes. Core i7-12700K is the better overall CPU here. You are getting a 63.8% average FPS lead across 6 shared CPU game tests in our data, 163.6% 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 i7-12700K is the better pick here. According to our tests, it delivers 63.8% more average FPS across 6 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-12700K is the better fit. You are getting 163.6% better PassMark, backed by 12 cores and 20 threads. It also carries the larger cache pool with 108.3% larger total L3 cache (25 MB vs 12 MB).

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

Core i7-12700K is the smarter buy today. Core i7-12700K is 155.6% more expensive on MSRP at $409 MSRP versus $160 MSRP, and it gives you a 63.8% average FPS lead across 6 shared CPU game tests in our data. It is also 3.1% better value on MSRP (84.0 vs 81.4 PassMark/$), 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 i7-12700K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), a healthier platform with LGA1700 and DDR5 instead of LGA1200, 108.3% larger total L3 cache (25 MB vs 12 MB), and more multi-core headroom with 12 cores / 20 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.

Core i5-10400F Benchmark Check

Core i7-12700K Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Core i7-12700K
1080p
low	192 FPS	314 FPS
medium	152 FPS	295 FPS
high	123 FPS	246 FPS
ultra	100 FPS	193 FPS
1440p
low	153 FPS	269 FPS
medium	119 FPS	225 FPS
high	97 FPS	182 FPS
ultra	79 FPS	145 FPS
4K
low	82 FPS	170 FPS
medium	70 FPS	142 FPS
high	55 FPS	109 FPS
ultra	43 FPS	96 FPS

Open Core i5-10400F Open Core i7-12700K

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Core i7-12700K
1080p
low	326 FPS	630 FPS
medium	318 FPS	533 FPS
high	290 FPS	450 FPS
ultra	253 FPS	410 FPS
1440p
low	326 FPS	536 FPS
medium	292 FPS	475 FPS
high	267 FPS	403 FPS
ultra	234 FPS	349 FPS
4K
low	309 FPS	312 FPS
medium	258 FPS	280 FPS
high	235 FPS	266 FPS
ultra	199 FPS	234 FPS

Open Core i5-10400F Open Core i7-12700K

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Core i7-12700K
1080p
low	326 FPS	797 FPS
medium	326 FPS	633 FPS
high	326 FPS	556 FPS
ultra	326 FPS	472 FPS
1440p
low	326 FPS	704 FPS
medium	326 FPS	565 FPS
high	326 FPS	490 FPS
ultra	326 FPS	422 FPS
4K
low	326 FPS	510 FPS
medium	326 FPS	425 FPS
high	289 FPS	381 FPS
ultra	229 FPS	321 FPS

Open Core i5-10400F Open Core i7-12700K

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Core i7-12700K
1080p
low	326 FPS	859 FPS
medium	326 FPS	802 FPS
high	326 FPS	699 FPS
ultra	326 FPS	628 FPS
1440p
low	326 FPS	760 FPS
medium	326 FPS	678 FPS
high	326 FPS	590 FPS
ultra	326 FPS	519 FPS
4K
low	326 FPS	535 FPS
medium	326 FPS	488 FPS
high	326 FPS	437 FPS
ultra	326 FPS	384 FPS

Open Core i5-10400F Open Core i7-12700K

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Core i7-12700K

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 i7-12700K

The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.

⚡

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 6 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5 GHz on the Core i7-12700K — a 15.1% clock advantage for the Core i7-12700K (base: 2.9 GHz vs 3.6 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Core i5-10400F scores 13,029 against the Core i7-12700K's 34,347 — a 90% lead for the Core i7-12700K. L3 cache: 12 MB (total) on the Core i5-10400F vs 25 MB (total) on the Core i7-12700K.

Feature	Core i5-10400F	Core i7-12700K
Cores / Threads	6 / 12	12 / 20+100%
Boost Clock	4.3 GHz	5 GHz+16%
Base Clock	2.9 GHz	3.6 GHz+24%
L3 Cache	12 MB (total)	25 MB (total)+108%
L2 Cache	256K (per core)	1.25 MB (per core)+400%
Process	14 nm	10 nm-29%
Architecture	Comet Lake (2020−2025)	Alder Lake, Golden Cove, Gracemont (2021)
PassMark	13,029	34,347+164%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus 4800 on the Core i7-12700K — the Core i7-12700K supports 199.7% 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: 16 (Core i5-10400F) vs 20 (Core i7-12700K) — the Core i7-12700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and Z690,B660 (Core i7-12700K).

Feature	Core i5-10400F	Core i7-12700K
Socket	LGA1200	LGA1700
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	4800+119900%
Max RAM Capacity	128 GB+104857500%	128
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	20+25%

🔧

Advanced Features

Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Core i7-12700K rivals Ryzen 7 5800X.

Feature	Core i5-10400F	Core i7-12700K
Integrated GPU	No	Yes
IGPU Model	—	Intel UHD Graphics 770
Unlocked	No	Yes
AVX-512	No	No
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 i7-12700K debuted at $409. On MSRP ($160 vs $409), the Core i5-10400F is $249 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 84.0 pts/$ for the Core i7-12700K — making the Core i7-12700K the 3.1% better value option.