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 i7-12700K

2021

Why buy it

✅Costs $140 less on MSRP ($409 MSRP vs $549 MSRP).
✅Delivers 18.4% more PassMark for each dollar spent, at 84.0 vs 71.0 PassMark/$ ($409 MSRP vs $549 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (34,347 vs 38,955).
❌Smaller total L3 cache (25 MB vs 64 MB).
❌19% higher power demand at 125W vs 105W.

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +9.4% higher average FPS across 50 shared CPU benchmark tests.
✅+156% larger total L3 cache (64 MB vs 25 MB).
✅Draws 105W instead of 125W, a 20W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 71.0 vs 84.0 PassMark/$ ($549 MSRP vs $409 MSRP).
❌Older platform position on AM4 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

Ryzen 9 5900X

2020

Why buy it

✅Costs $140 less on MSRP ($409 MSRP vs $549 MSRP).
✅Delivers 18.4% more PassMark for each dollar spent, at 84.0 vs 71.0 PassMark/$ ($409 MSRP vs $549 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 9 5900X needs a discrete GPU.

Why buy it

✅Better for gaming: +9.4% higher average FPS across 50 shared CPU benchmark tests.
✅+156% larger total L3 cache (64 MB vs 25 MB).
✅Draws 105W instead of 125W, a 20W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (34,347 vs 38,955).
❌Smaller total L3 cache (25 MB vs 64 MB).
❌19% higher power demand at 125W vs 105W.

Trade-offs

❌Lower PassMark per dollar, at 71.0 vs 84.0 PassMark/$ ($549 MSRP vs $409 MSRP).
❌Older platform position on AM4 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.

Quick Answers

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

Yes. Ryzen 9 5900X is the better overall CPU here. You are getting a 9.4% average FPS lead across 50 shared CPU game tests in our data and 13.4% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick here. According to our tests, it delivers 9.4% 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, Ryzen 9 5900X is the better fit. You are getting 13.4% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 156% larger total L3 cache (64 MB vs 25 MB).

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

Ryzen 9 5900X is still the faster CPU overall, but Core i7-12700K makes more sense if price matters more than absolute performance. Ryzen 9 5900X is 34.2% more expensive on MSRP at $549 MSRP versus $409 MSRP, and it gives you a 9.4% average FPS lead across 50 shared CPU game tests in our data. Core i7-12700K is also 18.4% better value on MSRP (84.0 vs 71.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i7-12700K 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) and a healthier platform with LGA1700 and DDR5 instead of AM4. 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 i7-12700K Benchmark Check

Ryzen 9 5900X Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	Ryzen 9 5900X
1080p
low	314 FPS	323 FPS
medium	295 FPS	291 FPS
high	246 FPS	243 FPS
ultra	193 FPS	193 FPS
1440p
low	269 FPS	307 FPS
medium	225 FPS	248 FPS
high	182 FPS	192 FPS
ultra	145 FPS	157 FPS
4K
low	170 FPS	193 FPS
medium	142 FPS	156 FPS
high	109 FPS	115 FPS
ultra	96 FPS	103 FPS

Open Core i7-12700K Open Ryzen 9 5900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	Ryzen 9 5900X
1080p
low	630 FPS	772 FPS
medium	533 FPS	647 FPS
high	450 FPS	508 FPS
ultra	410 FPS	450 FPS
1440p
low	536 FPS	619 FPS
medium	475 FPS	536 FPS
high	403 FPS	443 FPS
ultra	349 FPS	364 FPS
4K
low	312 FPS	365 FPS
medium	280 FPS	318 FPS
high	266 FPS	289 FPS
ultra	234 FPS	255 FPS

Open Core i7-12700K Open Ryzen 9 5900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	Ryzen 9 5900X
1080p
low	797 FPS	832 FPS
medium	633 FPS	645 FPS
high	556 FPS	558 FPS
ultra	472 FPS	459 FPS
1440p
low	704 FPS	721 FPS
medium	565 FPS	565 FPS
high	490 FPS	488 FPS
ultra	422 FPS	407 FPS
4K
low	510 FPS	511 FPS
medium	425 FPS	421 FPS
high	381 FPS	374 FPS
ultra	321 FPS	308 FPS

Open Core i7-12700K Open Ryzen 9 5900X

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	Ryzen 9 5900X
1080p
low	859 FPS	974 FPS
medium	802 FPS	974 FPS
high	699 FPS	934 FPS
ultra	628 FPS	826 FPS
1440p
low	760 FPS	959 FPS
medium	678 FPS	843 FPS
high	590 FPS	726 FPS
ultra	519 FPS	617 FPS
4K
low	535 FPS	694 FPS
medium	488 FPS	621 FPS
high	437 FPS	541 FPS
ultra	384 FPS	437 FPS

Open Core i7-12700K Open Ryzen 9 5900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

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.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

⚡

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, matching the Ryzen 9 5900X's 12 cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.8 GHz on the Ryzen 9 5900X — a 4.1% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 3.7 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen 9 5900X's 38,955 — a 12.6% lead for the Ryzen 9 5900X. L3 cache: 25 MB (total) on the Core i7-12700K vs 64 MB on the Ryzen 9 5900X.

Feature	Core i7-12700K	Ryzen 9 5900X
Cores / Threads	12 / 20	12 / 24
Boost Clock	5 GHz+4%	4.8 GHz
Base Clock	3.6 GHz	3.7 GHz+3%
L3 Cache	25 MB (total)	64 MB+156%
L2 Cache	1.25 MB (per core)+150%	512K (per core)
Process	10 nm	7 nm, 12 nm-30%
Architecture	Alder Lake, Golden Cove, Gracemont (2021)	Vermeer (Zen3) (2020−2022)
PassMark	34,347	38,955+13%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR4-3200 on the Ryzen 9 5900X — the Core i7-12700K 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 i7-12700K) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Core i7-12700K	Ryzen 9 5900X
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 i7-12700K) vs AMD-V (Ryzen 9 5900X). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Ryzen 9 5900X rivals Core i9-12900K.

Feature	Core i7-12700K	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	Workstation

💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Ryzen 9 5900X debuted at $549. On MSRP ($409 vs $549), the Core i7-12700K is $140 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Core i7-12700K the 16.8% better value option.