Core i5-1334U vs Core i5-12400F

Intel

Core i5-1334U

10 Cores12 Thrd15 WWMax: 4.6 GHz2023
VS
Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Core i5-1334U vs Core i5-12400F Performance Spectrum

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.

Core i5-1334U vs Core i5-12400F FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i5-1334U vs Core i5-12400F: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-1334U

2023

Why buy it

  • βœ…Draws 15W instead of 65W, a 50W reduction.
  • βœ…Integrated graphics onboard with Iris Xe Graphics 80EU, while Core i5-12400F needs a discrete GPU.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
  • ❌Lower PassMark (13,265 vs 19,532).
  • ❌Smaller total L3 cache (12 MB vs 18 MB).
  • ❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Why buy it

  • βœ…Better for gaming: +3.3% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…+50% larger total L3 cache (18 MB vs 12 MB).
  • βœ…Includes a boxed cooler (Yes), unlike Core i5-1334U.

Trade-offs

  • ❌Launch MSRP is still $174 MSRP, while Core i5-1334U mostly shows up through inconsistent older-market listings.
  • ❌333.3% higher power demand at 65W vs 15W.
  • ❌No integrated graphics, while Core i5-1334U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-12400F better than Core i5-1334U?
Yes. Core i5-12400F is the better all-around CPU here. It gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data and 47.2% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i5-12400F is the better pick. According to our tests, it delivers 3.3% 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 i5-12400F is the stronger fit. You are getting 47.2% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-12400F is the better buy right now. Core i5-12400F comes in at an unclear MSRP at $174 MSRP versus unclear MSRP, and it still gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-1334U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022). That makes it the safer long-term bet.

Core i5-1334U vs Core i5-12400F Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Core i5-1334U

The Core i5-1334U 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: 13,265 points. Launch price was $340.

Intel

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

⚑

Processing Power

The Core i5-1334U packs 10 cores / 12 threads, while the Core i5-12400F offers 6 cores / 12 threads β€” the Core i5-1334U has 4 more cores. Boost clocks reach 4.6 GHz on the Core i5-1334U versus 4.4 GHz on the Core i5-12400F β€” a 4.4% clock advantage for the Core i5-1334U (base: 1.3 GHz vs 2.5 GHz). The Core i5-1334U uses the Raptor Lake-U (2023) architecture (Intel 7 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core i5-1334U scores 13,265 against the Core i5-12400F's 19,532 β€” a 38.2% lead for the Core i5-12400F. Geekbench 6 single-core β€” the metric most relevant to gaming β€” records 2,390 vs 1,700, a 33.7% lead for the Core i5-1334U that directly translates to higher frame rates. L3 cache: 12 MB (total) on the Core i5-1334U vs 18 MB (total) on the Core i5-12400F.

FeatureCore i5-1334UCore i5-12400F
Cores / Threads
10 / 12+67%
6 / 12
Boost Clock
4.6 GHz+5%
4.4 GHz
Base Clock
1.3 GHz
2.5 GHz+92%
L3 Cache
12 MB (total)
18 MB (total)+50%
L2 Cache
1.25 MB (per core)
1.25 MB (per core)
Process
Intel 7 nm
Intel 7 nm
Architecture
Raptor Lake-U (2023)
Alder Lake-S (2022)
PassMark
13,265
19,532+47%
Cinebench R23 Multi
β€”
12,380
Geekbench 6 Single
2,390+41%
1,700
Geekbench 6 Multi
β€”
657
🧠

Memory & Platform

The Core i5-1334U uses the FCBGA1744 socket (PCIe 5.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) β€” making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5200 on the Core i5-1334U versus DDR5-4800, DDR4-3200 on the Core i5-12400F β€” the Core i5-1334U supports 8.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 64 GB β€” 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes.

FeatureCore i5-1334UCore i5-12400F
Socket
FCBGA1744
LGA1700
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
Max RAM Speed
LPDDR5-5200+8%
DDR5-4800, DDR4-3200
Max RAM Capacity
64 GB
128 GB+100%
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
20
20
πŸ”§

Advanced Features

Both support VT-x, VT-d, EPT virtualization. The Core i5-1334U includes integrated graphics (Iris Xe Graphics 80EU), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-1334U targets Mainstream Laptop, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-1334U rivals Ryzen 5 7520U; Core i5-12400F rivals Ryzen 5 5600.

FeatureCore i5-1334UCore i5-12400F
Integrated GPU
Yes
No
IGPU Model
Iris Xe Graphics 80EU
β€”
Unlocked
No
β€”
AVX-512
No
β€”
Virtualization
VT-x, VT-d, EPT
VT-x, VT-d, EPT
Target Use
Mainstream Laptop
Gaming Performance/Value