Core i5-11400 vs Core Ultra 7 165U

Intel

Core i5-11400

6 Cores12 Thrd65 WWMax: 4.4 GHz2021
Core family
·······
VS
Intel

Core Ultra 7 165U

12 Cores14 Thrd0 WWMax: 4.9 GHz2023
Core Ultra family
·······

Core i5-11400 vs Core Ultra 7 165U 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 i5-11400 vs Core Ultra 7 165U 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 i5-11400 vs Core Ultra 7 165U: Pros, Cons & Final Verdict

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

Core i5-11400

2021

Why buy it

  • Includes a boxed cooler (Stock), unlike Core Ultra 7 165U.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 7 165U across 50 shared CPU benchmark tests.
  • Lower Geekbench multi-core (7,260 vs 10,000).
  • Launch MSRP is still $182 MSRP, while Core Ultra 7 165U mostly shows up through inconsistent older-market listings.
  • Older platform position on LGA1200 with DDR4, while Core Ultra 7 165U moves to FCBGA2049 and DDR5.

Core Ultra 7 165U

2023

Why buy it

  • Better for gaming: +10.9% higher average FPS across 50 shared CPU benchmark tests.
  • Newer platform on FCBGA2049 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

  • No boxed cooler included, unlike Core i5-11400.

Quick Answers

So, is Core Ultra 7 165U better than Core i5-11400?
Yes. Core Ultra 7 165U is the better all-around CPU here. It gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data, 37.7% better Geekbench multi-core, 1.1% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core Ultra 7 165U is the better pick. According to our tests, it delivers 10.9% 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 Ultra 7 165U is the stronger fit. You are getting 37.7% better Geekbench multi-core, backed by 12 cores and 14 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 7 165U is still the faster CPU overall, but Core i5-11400 is easier to justify if budget matters more than peak performance. Core Ultra 7 165U comes in at an unclear MSRP at unclear MSRP versus $182 MSRP, and it still gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data. Core i5-11400 is also 100.0% better value on MSRP (91.6 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Core Ultra 7 165U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with FCBGA2049 and DDR5 instead of LGA1200, and more multi-core headroom with 12 cores / 14 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-11400 vs Core Ultra 7 165U Technical Specifications

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

Intel

Core i5-11400

The Core i5-11400 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 6 cores and 12 threads. Base frequency is 2.6 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 16,670 points. Launch price was $299.

Intel

Core Ultra 7 165U

The Core Ultra 7 165U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-P (2023) architecture. It features 12 cores and 14 threads. Base frequency is 1.7 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 12 MB. Memory support: DDR5. Passmark benchmark score: 16,857 points. Launch price was $448.

Processing Power

The Core i5-11400 packs 6 cores / 12 threads, while the Core Ultra 7 165U offers 12 cores / 14 threads — the Core Ultra 7 165U has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-11400 versus 4.9 GHz on the Core Ultra 7 165U — a 10.8% clock advantage for the Core Ultra 7 165U (base: 2.6 GHz vs 1.7 GHz). The Core i5-11400 uses the Rocket Lake (2021) architecture (14 nm), while the Core Ultra 7 165U uses Meteor Lake-P (2023) (7 nm). In PassMark, the Core i5-11400 scores 16,670 against the Core Ultra 7 165U's 16,857 — a 1.1% lead for the Core Ultra 7 165U. Geekbench 6 single-core — the metric most relevant to gaming — records 1,960 vs 2,350, a 18.1% lead for the Core Ultra 7 165U that directly translates to higher frame rates. Multi-core Geekbench: 7,260 vs 10,000 (31.7% advantage for the Core Ultra 7 165U). Both processors carry 12 MB (total) of L3 cache.

FeatureCore i5-11400Core Ultra 7 165U
Cores / Threads
6 / 12
12 / 14+100%
Boost Clock
4.4 GHz
4.9 GHz+11%
Base Clock
2.6 GHz+53%
1.7 GHz
L3 Cache
12 MB (total)
12 MB (total)
L2 Cache
256K (per core)+12700%
2 MB (per core)
Process
14 nm
7 nm-50%
Architecture
Rocket Lake (2021)
Meteor Lake-P (2023)
PassMark
16,670
16,857+1%
Cinebench R23 Multi
10,350
Geekbench 6 Single
1,960
2,350+20%
Geekbench 6 Multi
7,260
10,000+38%
🧠

Memory & Platform

The Core i5-11400 uses the LGA1200 socket (PCIe 4.0), while the Core Ultra 7 165U uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i5-11400 versus DDR5-5600 on the Core Ultra 7 165U — the Core Ultra 7 165U supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-11400 supports up to 128 GB of RAM compared to 96 GB 33.3% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: B560,Z590 (Core i5-11400) and SoC (Core Ultra 7 165U).

FeatureCore i5-11400Core Ultra 7 165U
Socket
LGA1200
FCBGA2049
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
DDR4-3200
DDR5-5600+75%
Max RAM Capacity
128 GB+33%
96 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
20
20
🔧

Advanced Features

Neither processor supports overclocking. Only the Core i5-11400 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Both include integrated graphics Intel UHD Graphics 730 (Core i5-11400) and Intel Arc Graphics (Core Ultra 7 165U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-11400 targets Mainstream Desktop, Core Ultra 7 165U targets Premium Laptop. Direct competitor: Core i5-11400 rivals Ryzen 5 5600X.

FeatureCore i5-11400Core Ultra 7 165U
Integrated GPU
Yes
Yes
IGPU Model
Intel UHD Graphics 730
Intel Arc Graphics
Unlocked
No
No
AVX-512
Yes
No
Virtualization
VT-x, VT-d
VT-x, VT-d
Target Use
Mainstream Desktop
Premium Laptop