Core i5-1335U vs Core i7-12700K

Intel

Core i5-1335U

10 Cores12 Thrd15 WWMax: 4.6 GHz2023

Popular choices:

i7-12700K
VS
Intel

Core i7-12700K

12 Cores20 Thrd125 WWMax: 5 GHz2021

Popular choices:

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 i5-1335U

2023

Why buy it

  • Draws 15W instead of 125W, a 110W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-12700K across 33 shared CPU benchmark tests.
  • Lower PassMark (14,093 vs 34,347).
  • Smaller total L3 cache (12 MB vs 25 MB).

Core i7-12700K

2021

Why buy it

  • Better for gaming: +25.3% higher average FPS across 33 shared CPU benchmark tests.
  • +108.3% larger total L3 cache (25 MB vs 12 MB).

Trade-offs

  • Launch MSRP is still $409 MSRP, while Core i5-1335U mostly shows up through inconsistent older-market listings.
  • 733.3% higher power demand at 125W vs 15W.

Quick Answers

So, is Core i7-12700K better than Core i5-1335U?
Yes. Core i7-12700K is the better overall CPU here. You are getting a 25.3% average FPS lead across 33 shared CPU game tests in our data and 143.7% 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 25.3% more average FPS across 33 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 143.7% better PassMark, backed by 12 cores and 20 threads. It also carries the larger cache pool with 108.3% larger total L3 cache (25 MB vs 12 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 $409 MSRP versus unclear MSRP, and it gives you a 25.3% average FPS lead across 33 shared CPU game tests in our data. It is also 100.0% better value on MSRP (84.0 vs 0.0 PassMark/$), 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?
Core i5-1335U 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 i5-1335UCore i7-12700K
1080p
low187 FPS314 FPS
medium156 FPS295 FPS
high130 FPS246 FPS
ultra106 FPS193 FPS
1440p
low151 FPS269 FPS
medium120 FPS225 FPS
high98 FPS182 FPS
ultra81 FPS145 FPS
4K
low85 FPS170 FPS
medium73 FPS142 FPS
high59 FPS109 FPS
ultra46 FPS96 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-1335UCore i7-12700K
1080p
low219 FPS630 FPS
medium182 FPS533 FPS
high164 FPS450 FPS
ultra144 FPS410 FPS
1440p
low190 FPS536 FPS
medium162 FPS475 FPS
high150 FPS403 FPS
ultra129 FPS349 FPS
4K
low148 FPS312 FPS
medium130 FPS280 FPS
high124 FPS266 FPS
ultra107 FPS234 FPS
League of Legends

League of Legends

PresetCore i5-1335UCore i7-12700K
1080p
low352 FPS797 FPS
medium352 FPS633 FPS
high352 FPS556 FPS
ultra352 FPS472 FPS
1440p
low352 FPS704 FPS
medium352 FPS565 FPS
high352 FPS490 FPS
ultra352 FPS422 FPS
4K
low352 FPS510 FPS
medium352 FPS425 FPS
high352 FPS381 FPS
ultra283 FPS321 FPS
Valorant

Valorant

PresetCore i5-1335UCore i7-12700K
1080p
low352 FPS859 FPS
medium352 FPS802 FPS
high352 FPS699 FPS
ultra352 FPS628 FPS
1440p
low352 FPS760 FPS
medium352 FPS678 FPS
high352 FPS590 FPS
ultra352 FPS519 FPS
4K
low352 FPS535 FPS
medium352 FPS488 FPS
high352 FPS437 FPS
ultra352 FPS384 FPS

Technical Specifications

Side-by-side comparison of Core i5-1335U and Core i7-12700K

Intel

Core i5-1335U

The Core i5-1335U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 10 cores and 12 threads. Base frequency is 1.3 GHz, with boost up to 4.6 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 14,093 points. Launch price was $340.

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.

Processing Power

The Core i5-1335U packs 10 cores / 12 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 2 more cores. Boost clocks reach 4.6 GHz on the Core i5-1335U versus 5 GHz on the Core i7-12700K — a 8.3% clock advantage for the Core i7-12700K (base: 1.3 GHz vs 3.6 GHz). The Core i5-1335U uses the Raptor Lake-U (2023) architecture (Intel 7 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Core i5-1335U scores 14,093 against the Core i7-12700K's 34,347 — a 83.6% lead for the Core i7-12700K. L3 cache: 12 MB (total) on the Core i5-1335U vs 25 MB (total) on the Core i7-12700K.

FeatureCore i5-1335UCore i7-12700K
Cores / Threads
10 / 12
12 / 20+20%
Boost Clock
4.6 GHz
5 GHz+9%
Base Clock
1.3 GHz
3.6 GHz+177%
L3 Cache
12 MB (total)
25 MB (total)+108%
L2 Cache
1.25 MB (per core)
1.25 MB (per core)
Process
Intel 7 nm-30%
10 nm
Architecture
Raptor Lake-U (2023)
Alder Lake, Golden Cove, Gracemont (2021)
PassMark
14,093
34,347+144%
Cinebench R23 Multi
8,977
Geekbench 6 Single
2,389
Geekbench 6 Multi
9,456
🧠

Memory & Platform

The Core i5-1335U uses the FCBGA1744 socket (PCIe 3.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-6400 on the Core i5-1335U versus 4800 on the Core i7-12700K — the Core i7-12700K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 96 GB 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: SoC (Core i5-1335U) and Z690,B660 (Core i7-12700K).

FeatureCore i5-1335UCore i7-12700K
Socket
FCBGA1744
LGA1700
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
LPDDR5-6400
4800+95900%
Max RAM Capacity
96 GB+78643100%
128
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
20
20
🔧

Advanced Features

Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core i5-1335U) vs VT-x, VT-d (Core i7-12700K). Both include integrated graphics Iris Xe Graphics (80 EU) (Core i5-1335U) and Intel UHD Graphics 770 (Core i7-12700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-1335U targets Productivity. Direct competitor: Core i5-1335U rivals Ryzen 5 7535U; Core i7-12700K rivals Ryzen 7 5800X.

FeatureCore i5-1335UCore i7-12700K
Integrated GPU
Yes
Yes
IGPU Model
Iris Xe Graphics (80 EU)
Intel UHD Graphics 770
Unlocked
No
Yes
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
VT-x, VT-d
Target Use
Productivity