Core i7-12700K vs Core i9-10900T

Intel

Core i7-12700K

12 Cores20 Thrd125 WWMax: 5 GHz2021

Popular choices:

VS
Intel

Core i9-10900T

10 Cores20 Thrd35 WWMax: 4.6 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: +30.2% higher average FPS across 50 shared CPU benchmark tests.
  • +25% larger total L3 cache (25 MB vs 20 MB).
  • Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.
  • 25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 84.0 vs 122.7 PassMark/$ ($409 MSRP vs $120 MSRP).
  • 257.1% higher power demand at 125W vs 35W.

Core i9-10900T

2020

Why buy it

  • Costs $289 less on MSRP ($120 MSRP vs $409 MSRP).
  • Delivers 46.1% more PassMark for each dollar spent, at 122.7 vs 84.0 PassMark/$ ($120 MSRP vs $409 MSRP).
  • Draws 35W instead of 125W, a 90W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-12700K across 50 shared CPU benchmark tests.
  • Lower PassMark (14,727 vs 34,347).
  • Smaller total L3 cache (20 MB vs 25 MB).
  • 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 i9-10900T?
Yes. Core i7-12700K is the better overall CPU here. You are getting a 30.2% average FPS lead across 50 shared CPU game tests in our data, 133.2% 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 30.2% 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 i7-12700K is the better fit. You are getting 133.2% 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 still the faster CPU overall, but Core i9-10900T makes more sense if price matters more than absolute performance. Core i7-12700K is 240.8% more expensive on MSRP at $409 MSRP versus $120 MSRP, and it gives you a 30.2% average FPS lead across 50 shared CPU game tests in our data. Core i9-10900T is also 46.1% better value on MSRP (122.7 vs 84.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i9-10900T 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), 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 i9-10900T
1080p
low314 FPS183 FPS
medium295 FPS149 FPS
high246 FPS122 FPS
ultra193 FPS100 FPS
1440p
low269 FPS149 FPS
medium225 FPS118 FPS
high182 FPS96 FPS
ultra145 FPS80 FPS
4K
low170 FPS83 FPS
medium142 FPS72 FPS
high109 FPS58 FPS
ultra96 FPS45 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-12700KCore i9-10900T
1080p
low630 FPS290 FPS
medium533 FPS242 FPS
high450 FPS207 FPS
ultra410 FPS186 FPS
1440p
low536 FPS250 FPS
medium475 FPS215 FPS
high403 FPS185 FPS
ultra349 FPS159 FPS
4K
low312 FPS155 FPS
medium280 FPS133 FPS
high266 FPS126 FPS
ultra234 FPS110 FPS
League of Legends

League of Legends

PresetCore i7-12700KCore i9-10900T
1080p
low797 FPS368 FPS
medium633 FPS368 FPS
high556 FPS368 FPS
ultra472 FPS368 FPS
1440p
low704 FPS368 FPS
medium565 FPS368 FPS
high490 FPS368 FPS
ultra422 FPS368 FPS
4K
low510 FPS368 FPS
medium425 FPS368 FPS
high381 FPS340 FPS
ultra321 FPS274 FPS
Valorant

Valorant

PresetCore i7-12700KCore i9-10900T
1080p
low859 FPS368 FPS
medium802 FPS368 FPS
high699 FPS368 FPS
ultra628 FPS368 FPS
1440p
low760 FPS368 FPS
medium678 FPS368 FPS
high590 FPS368 FPS
ultra519 FPS368 FPS
4K
low535 FPS368 FPS
medium488 FPS368 FPS
high437 FPS368 FPS
ultra384 FPS368 FPS

Technical Specifications

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

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 i9-10900T

The Core i9-10900T is manufactured by Intel. It was released in 1 April 2020 (5 years ago). It features 10 cores and 20 threads. Base frequency is 1.9 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2933. Passmark benchmark score: 14,727 points. Launch price was $149.

Processing Power

The Core i7-12700K packs 12 cores / 20 threads, while the Core i9-10900T offers 10 cores / 20 threads — the Core i7-12700K has 2 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.6 GHz on the Core i9-10900T — a 8.3% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 1.9 GHz). The Core i7-12700K is built on the Alder Lake, Golden Cove, Gracemont (2021) architecture. In PassMark, the Core i7-12700K scores 34,347 against the Core i9-10900T's 14,727 — a 80% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 20 MB Intel® Smart Cache on the Core i9-10900T.

FeatureCore i7-12700KCore i9-10900T
Cores / Threads
12 / 20+20%
10 / 20
Boost Clock
5 GHz+9%
4.6 GHz
Base Clock
3.6 GHz+89%
1.9 GHz
L3 Cache
25 MB (total)+25%
20 MB Intel® Smart Cache
L2 Cache
1.25 MB (per core)
Process
10 nm-29%
14 nm
Architecture
Alder Lake, Golden Cove, Gracemont (2021)
PassMark
34,347+133%
14,727
Geekbench 6 Single
1,710
Geekbench 6 Multi
7,476
🧠

Memory & Platform

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Core i9-10900T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR4-2933 on the Core i9-10900T — 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 i9-10900T) — the Core i7-12700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and Z490,H470,B460,H410,Z590,B560,H510 (Core i9-10900T).

FeatureCore i7-12700KCore i9-10900T
Socket
LGA1700
LGA1200
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
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

Virtualization support: VT-x, VT-d (Core i7-12700K) vs Yes (Core i9-10900T). Both include integrated graphics Intel UHD Graphics 770 (Core i7-12700K) and Intel UHD Graphics 630 (Core i9-10900T) — 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 i9-10900T
Integrated GPU
Yes
Yes
IGPU Model
Intel UHD Graphics 770
Intel UHD Graphics 630
Unlocked
Yes
AVX-512
No
No
Virtualization
VT-x, VT-d
Yes
💰

Value Analysis

The Core i7-12700K launched at $409 MSRP, while the Core i9-10900T debuted at $120. On MSRP ($409 vs $120), the Core i9-10900T is $289 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 122.7 pts/$ for the Core i9-10900T — making the Core i9-10900T the 37.5% better value option.

FeatureCore i7-12700KCore i9-10900T
MSRP
$409
$120-71%
Performance per Dollar
84.0
122.7+46%
Release Date
2021
2020