Core i7-12700K vs Core i9-10900E

Intel

Core i7-12700K

12 Cores20 Thrd125 WWMax: 5 GHz2021

Popular choices:

VS
Intel

Core i9-10900E

10 Cores20 Thrd65 WWMax: 4.7 GHz2020

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: +25.9% higher average FPS across 45 shared CPU benchmark tests.
  • +25% larger total L3 cache (25 MB vs 20 MB).
  • Costs $79 less on MSRP ($409 MSRP vs $488 MSRP).
  • Delivers 112.0% more PassMark for each dollar spent, at 84.0 vs 39.6 PassMark/$ ($409 MSRP vs $488 MSRP).
  • Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

  • 92.3% higher power demand at 125W vs 65W.

Core i9-10900E

2020

Why buy it

  • Draws 65W instead of 125W, a 60W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-12700K across 45 shared CPU benchmark tests.
  • Lower PassMark (19,332 vs 34,347).
  • Smaller total L3 cache (20 MB vs 25 MB).
  • Lower PassMark per dollar, at 39.6 vs 84.0 PassMark/$ ($488 MSRP vs $409 MSRP).
  • Older platform position on LGA1200 with DDR4, while Core i7-12700K moves to LGA1700 and DDR5.

Quick Answers

So, is Core i7-12700K better than Core i9-10900E?
Yes. Core i7-12700K is the better overall CPU here. You are getting a 25.9% average FPS lead across 45 shared CPU game tests in our data, 77.7% 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 25.9% more average FPS across 45 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 77.7% better PassMark, backed by 12 cores and 20 threads. It also carries the larger cache pool with 25% larger total L3 cache (25 MB vs 20 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 $79 cheaper on MSRP at $409 MSRP versus $488 MSRP, and it gives you a 25.9% average FPS lead across 45 shared CPU game tests in our data. It is also 112.0% better value on MSRP (84.0 vs 39.6 PassMark/$), 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 LGA1200 + DDR4 setup, Core i9-10900E 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 i7-12700K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), a healthier platform with LGA1700 and DDR5 instead of LGA1200, 25% larger total L3 cache (25 MB vs 20 MB), and more multi-core headroom with 12 cores / 20 threads instead of 10/20. 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.

Path of Exile 2

Path of Exile 2

PresetCore i7-12700KCore i9-10900E
1080p
low314 FPS164 FPS
medium295 FPS145 FPS
high246 FPS118 FPS
ultra193 FPS99 FPS
1440p
low269 FPS139 FPS
medium225 FPS119 FPS
high182 FPS96 FPS
ultra145 FPS81 FPS
4K
low170 FPS76 FPS
medium142 FPS70 FPS
high109 FPS56 FPS
ultra96 FPS43 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-12700KCore i9-10900E
1080p
low630 FPS483 FPS
medium533 FPS420 FPS
high450 FPS359 FPS
ultra410 FPS324 FPS
1440p
low536 FPS419 FPS
medium475 FPS368 FPS
high403 FPS317 FPS
ultra349 FPS276 FPS
4K
low312 FPS258 FPS
medium280 FPS227 FPS
high266 FPS213 FPS
ultra234 FPS185 FPS
League of Legends

League of Legends

PresetCore i7-12700KCore i9-10900E
1080p
low797 FPS483 FPS
medium633 FPS483 FPS
high556 FPS483 FPS
ultra472 FPS449 FPS
1440p
low704 FPS483 FPS
medium565 FPS483 FPS
high490 FPS479 FPS
ultra422 FPS403 FPS
4K
low510 FPS483 FPS
medium425 FPS408 FPS
high381 FPS361 FPS
ultra321 FPS301 FPS
Valorant

Valorant

PresetCore i7-12700KCore i9-10900E
1080p
low859 FPS483 FPS
medium802 FPS483 FPS
high699 FPS483 FPS
ultra628 FPS483 FPS
1440p
low760 FPS483 FPS
medium678 FPS483 FPS
high590 FPS483 FPS
ultra519 FPS483 FPS
4K
low535 FPS483 FPS
medium488 FPS483 FPS
high437 FPS445 FPS
ultra384 FPS389 FPS

Technical Specifications

Side-by-side comparison of Core i7-12700K and Core i9-10900E

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.

Intel

Core i9-10900E

The Core i9-10900E is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 4.7 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 19,332 points. Launch price was $488.

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Core i9-10900E offers 10 cores / 20 threads — the Core i7-12700K has 2 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.7 GHz on the Core i9-10900E — a 6.2% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2.8 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Core i9-10900E uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i7-12700K scores 34,347 against the Core i9-10900E's 19,332 — a 55.9% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 20 MB (total) on the Core i9-10900E.

FeatureCore i7-12700KCore i9-10900E
Cores / Threads
12 / 20+20%
10 / 20
Boost Clock
5 GHz+6%
4.7 GHz
Base Clock
3.6 GHz+29%
2.8 GHz
L3 Cache
25 MB (total)+25%
20 MB (total)
L2 Cache
1.25 MB (per core)+400%
256 kB (per core)
Process
10 nm-29%
14 nm
Architecture
Alder Lake, Golden Cove, Gracemont (2021)
Comet Lake (2020−2025)
PassMark
34,347+78%
19,332
🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Core i9-10900E uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR4-2933 on the Core i9-10900E — 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 16 (Core i9-10900E) — the Core i7-12700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and LGA1200 (Core i9-10900E).

FeatureCore i7-12700KCore i9-10900E
Socket
LGA1700
LGA1200
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
4800+119900%
DDR4-2933
Max RAM Capacity
128
128 GB+104857500%
RAM Channels
2
2
ECC Support
Yes
No
PCIe Lanes
20+25%
16
🔧

Advanced Features

Only the Core i7-12700K 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 Intel UHD Graphics 770 (Core i7-12700K) and UHD Graphics 630 (Core i9-10900E) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.

FeatureCore i7-12700KCore i9-10900E
Integrated GPU
Yes
Yes
IGPU Model
Intel UHD Graphics 770
UHD Graphics 630
Unlocked
Yes
No
AVX-512
No
No
Virtualization
VT-x, VT-d
VT-x, VT-d
💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Core i9-10900E debuted at $488. On MSRP ($409 vs $488), the Core i7-12700K is $79 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 39.6 pts/$ for the Core i9-10900E — making the Core i7-12700K the 71.8% better value option.

FeatureCore i7-12700KCore i9-10900E
MSRP
$409-16%
$488
Performance per Dollar
84.0+112%
39.6
Release Date
2021
2020