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

✅Delivers 45.6% more PassMark for each dollar spent, at 84.0 vs 57.7 PassMark/$ ($409 MSRP vs $399 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 7 3800X needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (25 MB vs 32 MB).
❌
2.5% HIGHER MSRP
$409 MSRPvs$399 MSRP
❌19% higher power demand at 125W vs 105W.

Ryzen 7 3800X

2019

Why buy it

✅+28% larger total L3 cache (32 MB vs 25 MB).
✅Costs $10 less on MSRP ($399 MSRP vs $409 MSRP).
✅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 (23,008 vs 34,347).
❌Lower PassMark per dollar, at 57.7 vs 84.0 PassMark/$ ($399 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 7 3800X

2019

Why buy it

✅Delivers 45.6% more PassMark for each dollar spent, at 84.0 vs 57.7 PassMark/$ ($409 MSRP vs $399 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 7 3800X needs a discrete GPU.

Why buy it

✅+28% larger total L3 cache (32 MB vs 25 MB).
✅Costs $10 less on MSRP ($399 MSRP vs $409 MSRP).
✅Draws 105W instead of 125W, a 20W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (25 MB vs 32 MB).
❌
2.5% HIGHER MSRP
$409 MSRPvs$399 MSRP
❌19% higher power demand at 125W vs 105W.

Trade-offs

❌Lower PassMark (23,008 vs 34,347).
❌Lower PassMark per dollar, at 57.7 vs 84.0 PassMark/$ ($399 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 Core i7-12700K better than Ryzen 7 3800X?

Yes. Core i7-12700K is the better overall CPU here. You are getting a 2.5% average FPS lead across 4 shared CPU game tests in our data, 49.3% 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 2.5% 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 i7-12700K is the better fit. You are getting 49.3% better PassMark, backed by 12 cores and 20 threads.

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

Core i7-12700K is the smarter buy today. Core i7-12700K is 2.5% more expensive on MSRP at $409 MSRP versus $399 MSRP, and it gives you a 2.5% average FPS lead across 4 shared CPU game tests in our data. It is also 45.6% better value on MSRP (84.0 vs 57.7 PassMark/$), 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 7 3800X 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 2019), a healthier platform with LGA1700 and DDR5 instead of AM4, and more multi-core headroom with 12 cores / 20 threads instead of 8/16. 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 7 3800X Benchmark Check

Path of Exile 2

Preset	Core i7-12700K	Ryzen 7 3800X
1080p
low	314 FPS	201 FPS
medium	295 FPS	164 FPS
high	246 FPS	138 FPS
ultra	193 FPS	111 FPS
1440p
low	269 FPS	156 FPS
medium	225 FPS	122 FPS
high	182 FPS	100 FPS
ultra	145 FPS	81 FPS
4K
low	170 FPS	84 FPS
medium	142 FPS	71 FPS
high	109 FPS	57 FPS
ultra	96 FPS	44 FPS

Open Core i7-12700K Open Ryzen 7 3800X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-12700K	Ryzen 7 3800X
1080p
low	630 FPS	575 FPS
medium	533 FPS	558 FPS
high	450 FPS	448 FPS
ultra	410 FPS	401 FPS
1440p
low	536 FPS	570 FPS
medium	475 FPS	493 FPS
high	403 FPS	408 FPS
ultra	349 FPS	348 FPS
4K
low	312 FPS	352 FPS
medium	280 FPS	306 FPS
high	266 FPS	276 FPS
ultra	234 FPS	244 FPS

Open Core i7-12700K Open Ryzen 7 3800X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-12700K	Ryzen 7 3800X
1080p
low	797 FPS	575 FPS
medium	633 FPS	575 FPS
high	556 FPS	575 FPS
ultra	472 FPS	575 FPS
1440p
low	704 FPS	575 FPS
medium	565 FPS	575 FPS
high	490 FPS	542 FPS
ultra	422 FPS	472 FPS
4K
low	510 FPS	509 FPS
medium	425 FPS	403 FPS
high	381 FPS	360 FPS
ultra	321 FPS	287 FPS

Open Core i7-12700K Open Ryzen 7 3800X

League of Legends

League of Legends

Valorant

Preset	Core i7-12700K	Ryzen 7 3800X
1080p
low	859 FPS	575 FPS
medium	802 FPS	575 FPS
high	699 FPS	575 FPS
ultra	628 FPS	575 FPS
1440p
low	760 FPS	575 FPS
medium	678 FPS	575 FPS
high	590 FPS	575 FPS
ultra	519 FPS	575 FPS
4K
low	535 FPS	575 FPS
medium	488 FPS	536 FPS
high	437 FPS	483 FPS
ultra	384 FPS	425 FPS

Open Core i7-12700K Open Ryzen 7 3800X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-12700K and Ryzen 7 3800X

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 7 3800X

The Ryzen 7 3800X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.9 GHz, with boost up to 4.5 GHz. L3 cache: 32 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 Dual-channel. Passmark benchmark score: 23,008 points. Launch price was $399.

⚡

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Ryzen 7 3800X offers 8 cores / 16 threads — the Core i7-12700K has 4 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.5 GHz on the Ryzen 7 3800X — a 10.5% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 3.9 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen 7 3800X uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen 7 3800X's 23,008 — a 39.5% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 32 MB on the Ryzen 7 3800X.

Feature	Core i7-12700K	Ryzen 7 3800X
Cores / Threads	12 / 20+50%	8 / 16
Boost Clock	5 GHz+11%	4.5 GHz
Base Clock	3.6 GHz	3.9 GHz+8%
L3 Cache	25 MB (total)	32 MB+28%
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)	Matisse (2019−2020)
PassMark	34,347+49%	23,008

🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 7 3800X 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 7 3800X — 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 7 3800X) — the Ryzen 7 3800X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and AMD 500 series,AMD 400 series (Ryzen 7 3800X).

Feature	Core i7-12700K	Ryzen 7 3800X
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 7 3800X). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen 7 3800X requires a dedicated GPU. Primary use case: Ryzen 7 3800X targets Desktop. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.

Feature	Core i7-12700K	Ryzen 7 3800X
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	—	Desktop

💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Ryzen 7 3800X debuted at $399. On MSRP ($409 vs $399), the Ryzen 7 3800X is $10 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 57.7 pts/$ for the Ryzen 7 3800X — making the Core i7-12700K the 37.2% better value option.