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 i7-12700KF

2021

Why buy it

✅Costs $165 less on MSRP ($384 MSRP vs $549 MSRP).
✅Delivers 43.6% more PassMark for each dollar spent, at 88.7 vs 61.8 PassMark/$ ($384 MSRP vs $549 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Smaller total L3 cache (25 MB vs 64 MB).
❌92.3% higher power demand at 125W vs 65W.

Ryzen 9 5900

2021

Why buy it

✅+156% larger total L3 cache (64 MB vs 25 MB).
✅Draws 65W instead of 125W, a 60W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (33,912 vs 34,056).
❌Lower PassMark per dollar, at 61.8 vs 88.7 PassMark/$ ($549 MSRP vs $384 MSRP).
❌Older platform position on AM4 with DDR4, while Core i7-12700KF moves to LGA1700 and DDR5.

Core i7-12700KF

2021

Ryzen 9 5900

2021

Why buy it

✅Costs $165 less on MSRP ($384 MSRP vs $549 MSRP).
✅Delivers 43.6% more PassMark for each dollar spent, at 88.7 vs 61.8 PassMark/$ ($384 MSRP vs $549 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.

Why buy it

✅+156% larger total L3 cache (64 MB vs 25 MB).
✅Draws 65W instead of 125W, a 60W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (25 MB vs 64 MB).
❌92.3% higher power demand at 125W vs 65W.

Trade-offs

❌Lower PassMark (33,912 vs 34,056).
❌Lower PassMark per dollar, at 61.8 vs 88.7 PassMark/$ ($549 MSRP vs $384 MSRP).
❌Older platform position on AM4 with DDR4, while Core i7-12700KF moves to LGA1700 and DDR5.

Quick Answers

So, is Core i7-12700KF better than Ryzen 9 5900?

Yes. Core i7-12700KF is the better overall CPU here. You are getting a 1.0% average FPS lead across 50 shared CPU game tests in our data, 0.4% 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 i7-12700KF is the better pick here. According to our tests, it delivers 1.0% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-12700KF is the better fit. You are getting 0.4% better PassMark, backed by 12 cores and 20 threads.

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

Core i7-12700KF is the smarter buy today. Core i7-12700KF is $165 cheaper on MSRP at $384 MSRP versus $549 MSRP, and it gives you a 1.0% average FPS lead across 50 shared CPU game tests in our data. It is also 43.6% better value on MSRP (88.7 vs 61.8 PassMark/$), 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 AM4 + DDR4 setup, Ryzen 9 5900 can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.

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

Core i7-12700KF is the more future-proof choice for 2026 and beyond. You are getting a healthier platform with LGA1700 and DDR5 instead of AM4 and more multi-core headroom with 12 cores / 20 threads instead of 12/24. 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 i7-12700KF Benchmark Check

Ryzen 9 5900 Benchmark Check

Path of Exile 2

Preset	Core i7-12700KF	Ryzen 9 5900
1080p
low	314 FPS	164 FPS
medium	295 FPS	135 FPS
high	246 FPS	117 FPS
ultra	193 FPS	98 FPS
1440p
low	269 FPS	150 FPS
medium	225 FPS	120 FPS
high	182 FPS	99 FPS
ultra	145 FPS	83 FPS
4K
low	170 FPS	84 FPS
medium	142 FPS	72 FPS
high	109 FPS	58 FPS
ultra	96 FPS	47 FPS

Open Core i7-12700KF Open Ryzen 9 5900

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700KF	Ryzen 9 5900
1080p
low	630 FPS	734 FPS
medium	533 FPS	625 FPS
high	450 FPS	495 FPS
ultra	410 FPS	437 FPS
1440p
low	536 FPS	608 FPS
medium	475 FPS	529 FPS
high	403 FPS	440 FPS
ultra	349 FPS	361 FPS
4K
low	312 FPS	358 FPS
medium	280 FPS	314 FPS
high	266 FPS	286 FPS
ultra	234 FPS	253 FPS

Open Core i7-12700KF Open Ryzen 9 5900

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700KF	Ryzen 9 5900
1080p
low	797 FPS	805 FPS
medium	633 FPS	627 FPS
high	560 FPS	543 FPS
ultra	475 FPS	449 FPS
1440p
low	704 FPS	690 FPS
medium	565 FPS	543 FPS
high	493 FPS	469 FPS
ultra	424 FPS	393 FPS
4K
low	510 FPS	490 FPS
medium	425 FPS	404 FPS
high	381 FPS	359 FPS
ultra	321 FPS	296 FPS

Open Core i7-12700KF Open Ryzen 9 5900

League of Legends

League of Legends

Valorant

Preset	Core i7-12700KF	Ryzen 9 5900
1080p
low	851 FPS	848 FPS
medium	821 FPS	848 FPS
high	715 FPS	836 FPS
ultra	642 FPS	744 FPS
1440p
low	769 FPS	848 FPS
medium	686 FPS	760 FPS
high	597 FPS	665 FPS
ultra	525 FPS	570 FPS
4K
low	541 FPS	626 FPS
medium	493 FPS	559 FPS
high	442 FPS	494 FPS
ultra	388 FPS	426 FPS

Open Core i7-12700KF Open Ryzen 9 5900

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700KF and Ryzen 9 5900

Core i7-12700KF

The Core i7-12700KF 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 Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 34,056 points. Launch price was $384.

Ryzen 9 5900

The Ryzen 9 5900 is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Vermeer (2020−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 33,912 points. Launch price was $499.

⚡

Processing Power

The Core i7-12700KF packs 12 cores / 20 threads, matching the Ryzen 9 5900's 12 cores. Boost clocks reach 5 GHz on the Core i7-12700KF versus 4.7 GHz on the Ryzen 9 5900 — a 6.2% clock advantage for the Core i7-12700KF (base: 3.6 GHz vs 3 GHz). The Core i7-12700KF uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (Intel 7 nm), while the Ryzen 9 5900 uses Vermeer (2020−2025) (7 nm, 12 nm). In PassMark, the Core i7-12700KF scores 34,056 against the Ryzen 9 5900's 33,912 — a 0.4% lead for the Core i7-12700KF. L3 cache: 25 MB (total) on the Core i7-12700KF vs 64 MB on the Ryzen 9 5900.

Feature	Core i7-12700KF	Ryzen 9 5900
Cores / Threads	12 / 20	12 / 24
Boost Clock	5 GHz+6%	4.7 GHz
Base Clock	3.6 GHz+20%	3 GHz
L3 Cache	25 MB (total)	64 MB+156%
L2 Cache	1.25 MB (per core)+150%	512K (per core)
Process	Intel 7 nm	7 nm, 12 nm
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Vermeer (2020−2025)
PassMark	34,056	33,912

🧠

Memory & Platform

The Core i7-12700KF uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 5900 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700KF versus DDR4-3200 on the Ryzen 9 5900 — the Core i7-12700KF supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12700KF) vs 24 (Ryzen 9 5900) — the Ryzen 9 5900 offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Core i7-12700KF	Ryzen 9 5900
Socket	LGA1700	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	4800+119900%	DDR4-3200
Max RAM Capacity	128	128 GB+104857500%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	24+20%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d (Core i7-12700KF) vs AMD-V (Ryzen 9 5900). Primary use case: Ryzen 9 5900 targets OEM Gaming. Direct competitor: Core i7-12700KF rivals Ryzen 7 5800X.

Feature	Core i7-12700KF	Ryzen 9 5900
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	OEM Gaming

💰

Value Analysis

The Core i7-12700KF launched at $384 MSRP, while the Ryzen 9 5900 debuted at $549. On MSRP ($384 vs $549), the Core i7-12700KF is $165 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700KF delivers 88.7 pts/$ vs 61.8 pts/$ for the Ryzen 9 5900 — making the Core i7-12700KF the 35.8% better value option.