Core i7-12700K vs Ryzen 7 8840U

Intel

Core i7-12700K

12 Cores20 Thrd125 WWMax: 5 GHz2021

Popular choices:

VS
AMD

Ryzen 7 8840U

8 Cores16 Thrd28 WWMax: 5.1 GHz2023

Popular choices:

i7-12700K

Performance Spectrum - CPU

About PassMark

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

  • Better for gaming: +3.8% higher average FPS across 4 shared CPU benchmark tests.
  • +56.3% larger total L3 cache (25 MB vs 16 MB).
  • 100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Intel UHD Graphics 770, while Ryzen 7 8840U needs a discrete GPU.

Trade-offs

  • Launch MSRP is still $409 MSRP, while Ryzen 7 8840U mostly shows up through inconsistent older-market listings.
  • 346.4% higher power demand at 125W vs 28W.

Ryzen 7 8840U

2023

Why buy it

  • Draws 28W instead of 125W, a 97W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-12700K across 4 shared CPU benchmark tests.
  • Lower PassMark (23,415 vs 34,347).
  • Smaller total L3 cache (16 MB vs 25 MB).
  • 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 8840U?
Yes. Core i7-12700K is the better overall CPU here. You are getting a 3.8% average FPS lead across 4 shared CPU game tests in our data and 46.7% better PassMark, 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 3.8% 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 46.7% better PassMark, backed by 12 cores and 20 threads. It also carries the larger cache pool with 56.3% larger total L3 cache (25 MB vs 16 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 at an unclear MSRP at $409 MSRP versus unclear MSRP, and it gives you a 3.8% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (84.0 vs 0.0 PassMark/$), 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?
Ryzen 7 8840U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021). That makes it the safer long-term pick.

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.

Path of Exile 2

Path of Exile 2

PresetCore i7-12700KRyzen 7 8840U
1080p
low314 FPS255 FPS
medium295 FPS235 FPS
high246 FPS198 FPS
ultra193 FPS170 FPS
1440p
low269 FPS227 FPS
medium225 FPS189 FPS
high182 FPS154 FPS
ultra145 FPS136 FPS
4K
low170 FPS157 FPS
medium142 FPS133 FPS
high109 FPS103 FPS
ultra96 FPS91 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-12700KRyzen 7 8840U
1080p
low630 FPS468 FPS
medium533 FPS388 FPS
high450 FPS336 FPS
ultra410 FPS301 FPS
1440p
low536 FPS409 FPS
medium475 FPS358 FPS
high403 FPS310 FPS
ultra349 FPS265 FPS
4K
low312 FPS269 FPS
medium280 FPS247 FPS
high266 FPS234 FPS
ultra234 FPS202 FPS
League of Legends

League of Legends

PresetCore i7-12700KRyzen 7 8840U
1080p
low797 FPS585 FPS
medium633 FPS585 FPS
high556 FPS585 FPS
ultra472 FPS585 FPS
1440p
low704 FPS585 FPS
medium565 FPS585 FPS
high490 FPS525 FPS
ultra422 FPS451 FPS
4K
low510 FPS521 FPS
medium425 FPS458 FPS
high381 FPS406 FPS
ultra321 FPS345 FPS
Valorant

Valorant

PresetCore i7-12700KRyzen 7 8840U
1080p
low859 FPS585 FPS
medium802 FPS585 FPS
high699 FPS585 FPS
ultra628 FPS585 FPS
1440p
low760 FPS585 FPS
medium678 FPS585 FPS
high590 FPS585 FPS
ultra519 FPS548 FPS
4K
low535 FPS559 FPS
medium488 FPS501 FPS
high437 FPS446 FPS
ultra384 FPS384 FPS

Technical Specifications

Side-by-side comparison of Core i7-12700K and Ryzen 7 8840U

Intel

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.

AMD

Ryzen 7 8840U

The Ryzen 7 8840U is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-U (Zen 4) (2023−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 23,415 points. Launch price was $299.

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Ryzen 7 8840U offers 8 cores / 16 threads — the Core i7-12700K has 4 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 5.1 GHz on the Ryzen 7 8840U — a 2% clock advantage for the Ryzen 7 8840U (base: 3.6 GHz vs 3.3 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen 7 8840U uses Hawk Point-U (Zen 4) (2023−2025) (4 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen 7 8840U's 23,415 — a 37.9% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 16 MB (total) on the Ryzen 7 8840U.

FeatureCore i7-12700KRyzen 7 8840U
Cores / Threads
12 / 20+50%
8 / 16
Boost Clock
5 GHz
5.1 GHz+2%
Base Clock
3.6 GHz+9%
3.3 GHz
L3 Cache
25 MB (total)+56%
16 MB (total)
L2 Cache
1.25 MB (per core)+25%
1 MB (per core)
Process
10 nm
4 nm-60%
Architecture
Alder Lake, Golden Cove, Gracemont (2021)
Hawk Point-U (Zen 4) (2023−2025)
PassMark
34,347+47%
23,415
🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 7 8840U uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore i7-12700KRyzen 7 8840U
Socket
LGA1700
FP8
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
4800
Max RAM Capacity
128
RAM Channels
2
ECC Support
Yes
PCIe Lanes
20
🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-12700K) / not specified (Ryzen 7 8840U). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen 7 8840U requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.

FeatureCore i7-12700KRyzen 7 8840U
Integrated GPU
Yes
IGPU Model
Intel UHD Graphics 770
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d