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 i5-9400

2019

Why buy it

✅Costs $137 less on MSRP ($192 MSRP vs $329 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-13600K across 35 shared CPU benchmark tests.
❌Lower PassMark (9,372 vs 37,655).
❌Smaller total L3 cache (9 MB vs 24 MB).
❌Lower PassMark per dollar, at 48.8 vs 114.5 PassMark/$ ($192 MSRP vs $329 MSRP).
❌Older platform position on LGA1151 with DDR4, while Core i5-13600K moves to LGA1700 and DDR5.

Core i5-13600K

2022

Why buy it

✅Better for gaming: +90.3% higher average FPS across 35 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (24 MB vs 9 MB).
✅Delivers 134.5% more PassMark for each dollar spent, at 114.5 vs 48.8 PassMark/$ ($329 MSRP vs $192 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of LGA1151 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
71.4% HIGHER MSRP
$329 MSRPvs$192 MSRP
❌92.3% higher power demand at 125W vs 65W.

Core i5-9400

2019

Core i5-13600K

2022

Why buy it

✅Costs $137 less on MSRP ($192 MSRP vs $329 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.

Why buy it

✅Better for gaming: +90.3% higher average FPS across 35 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (24 MB vs 9 MB).
✅Delivers 134.5% more PassMark for each dollar spent, at 114.5 vs 48.8 PassMark/$ ($329 MSRP vs $192 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of LGA1151 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-13600K across 35 shared CPU benchmark tests.
❌Lower PassMark (9,372 vs 37,655).
❌Smaller total L3 cache (9 MB vs 24 MB).
❌Lower PassMark per dollar, at 48.8 vs 114.5 PassMark/$ ($192 MSRP vs $329 MSRP).
❌Older platform position on LGA1151 with DDR4, while Core i5-13600K moves to LGA1700 and DDR5.

Trade-offs

❌
71.4% HIGHER MSRP
$329 MSRPvs$192 MSRP
❌92.3% higher power demand at 125W vs 65W.

Quick Answers

So, is Core i5-13600K better than Core i5-9400?

Yes. Core i5-13600K is the better overall CPU here. You are getting a 90.3% average FPS lead across 35 shared CPU game tests in our data, 301.8% 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 i5-13600K is the better pick here. According to our tests, it delivers 90.3% more average FPS across 35 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i5-13600K is the better fit. You are getting 301.8% better PassMark, backed by 14 cores and 20 threads. It also carries the larger cache pool with 166.7% larger total L3 cache (24 MB vs 9 MB).

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

Core i5-13600K is the smarter buy today. Core i5-13600K is 71.4% more expensive on MSRP at $329 MSRP versus $192 MSRP, and it gives you a 90.3% average FPS lead across 35 shared CPU game tests in our data. It is also 134.5% better value on MSRP (114.5 vs 48.8 PassMark/$), 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 i5-13600K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019), a healthier platform with LGA1700 and DDR5 instead of LGA1151, 166.7% larger total L3 cache (24 MB vs 9 MB), and more multi-core headroom with 14 cores / 20 threads instead of 6/6. 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 i5-9400 Benchmark Check

Core i5-13600K Benchmark Check

Path of Exile 2

Preset	Core i5-9400	Core i5-13600K
1080p
low	179 FPS	281 FPS
medium	144 FPS	264 FPS
high	115 FPS	220 FPS
ultra	91 FPS	188 FPS
1440p
low	152 FPS	235 FPS
medium	122 FPS	198 FPS
high	96 FPS	158 FPS
ultra	75 FPS	138 FPS
4K
low	71 FPS	159 FPS
medium	61 FPS	133 FPS
high	48 FPS	102 FPS
ultra	37 FPS	90 FPS

Open Core i5-9400 Open Core i5-13600K

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-9400	Core i5-13600K
1080p
low	234 FPS	632 FPS
medium	234 FPS	533 FPS
high	234 FPS	450 FPS
ultra	222 FPS	416 FPS
1440p
low	234 FPS	540 FPS
medium	234 FPS	474 FPS
high	226 FPS	403 FPS
ultra	202 FPS	351 FPS
4K
low	234 FPS	316 FPS
medium	216 FPS	282 FPS
high	196 FPS	269 FPS
ultra	170 FPS	238 FPS

Open Core i5-9400 Open Core i5-13600K

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-9400	Core i5-13600K
1080p
low	234 FPS	663 FPS
medium	234 FPS	543 FPS
high	234 FPS	477 FPS
ultra	234 FPS	414 FPS
1440p
low	234 FPS	600 FPS
medium	234 FPS	499 FPS
high	234 FPS	434 FPS
ultra	234 FPS	376 FPS
4K
low	234 FPS	441 FPS
medium	226 FPS	381 FPS
high	192 FPS	344 FPS
ultra	152 FPS	295 FPS

Open Core i5-9400 Open Core i5-13600K

League of Legends

League of Legends

Valorant

Preset	Core i5-9400	Core i5-13600K
1080p
low	234 FPS	941 FPS
medium	234 FPS	941 FPS
high	234 FPS	923 FPS
ultra	234 FPS	831 FPS
1440p
low	234 FPS	941 FPS
medium	234 FPS	850 FPS
high	234 FPS	738 FPS
ultra	234 FPS	651 FPS
4K
low	234 FPS	651 FPS
medium	234 FPS	588 FPS
high	234 FPS	529 FPS
ultra	234 FPS	437 FPS

Open Core i5-9400 Open Core i5-13600K

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-9400 and Core i5-13600K

Core i5-9400

The Core i5-9400 is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 6 cores and 6 threads. Base frequency is 2.9 GHz, with boost up to 4.1 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 9,372 points. Launch price was $182.

Core i5-13600K

The Core i5-13600K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 14 cores and 20 threads. Base frequency is 3.5 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 37,655 points. Launch price was $319.

⚡

Processing Power

The Core i5-9400 packs 6 cores / 6 threads, while the Core i5-13600K offers 14 cores / 20 threads — the Core i5-13600K has 8 more cores. Boost clocks reach 4.1 GHz on the Core i5-9400 versus 5.1 GHz on the Core i5-13600K — a 21.7% clock advantage for the Core i5-13600K (base: 2.9 GHz vs 3.5 GHz). The Core i5-9400 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Core i5-13600K uses Raptor Lake, Raptor Cove, Gracemont (2022) (Intel 7 nm). In PassMark, the Core i5-9400 scores 9,372 against the Core i5-13600K's 37,655 — a 120.3% lead for the Core i5-13600K. L3 cache: 9 MB (total) on the Core i5-9400 vs 24 MB on the Core i5-13600K.

Feature	Core i5-9400	Core i5-13600K
Cores / Threads	6 / 6	14 / 20+133%
Boost Clock	4.1 GHz	5.1 GHz+24%
Base Clock	2.9 GHz	3.5 GHz+21%
L3 Cache	9 MB (total)	24 MB+167%
L2 Cache	256K (per core)	2 MB (per core)+700%
Process	14 nm	Intel 7 nm-50%
Architecture	Coffee Lake (2017−2019)	Raptor Lake, Raptor Cove, Gracemont (2022)
PassMark	9,372	37,655+302%

🧠

Memory & Platform

The Core i5-9400 uses the LGA1151 socket (PCIe 3.0), while the Core i5-13600K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-9400 versus DDR5-5600 on the Core i5-13600K — the Core i5-13600K supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13600K 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 i5-9400) vs 20 (Core i5-13600K) — the Core i5-13600K offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Core i5-9400	Core i5-13600K
Socket	LGA1151	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 i5-13600K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. Both include integrated graphics — UHD Graphics 630 (Core i5-9400) and UHD Graphics 770 (Core i5-13600K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-9400 targets Desktop, Core i5-13600K targets Desktop.

Feature	Core i5-9400	Core i5-13600K
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	UHD Graphics 770
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	Desktop

💰

Value Analysis

The Core i5-9400 launched at $192 MSRP, while the Core i5-13600K debuted at $329. On MSRP ($192 vs $329), the Core i5-9400 is $137 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-9400 delivers 48.8 pts/$ vs 114.5 pts/$ for the Core i5-13600K — making the Core i5-13600K the 80.4% better value option.