Core i5-11600 vs Core Ultra 7 255U

Intel

Core i5-11600

6 Cores12 Thrd65 WWMax: 4.8 GHz2021
VS
Intel

Core Ultra 7 255U

12 Cores14 Thrd14 WWMax: 5.2 GHz2025

Core i5-11600 vs Core Ultra 7 255U 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 i5-11600 vs Core Ultra 7 255U 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 i5-11600 vs Core Ultra 7 255U: Pros, Cons & Final Verdict

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

Core i5-11600

2021

Why buy it

  • βœ…+0.4% higher PassMark.
  • βœ…100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
  • βœ…Integrated graphics onboard with UHD Graphics 750, while Core Ultra 7 255U needs a discrete GPU.
  • βœ…Includes a boxed cooler (Yes), unlike Core Ultra 7 255U.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Core Ultra 7 255U across 50 shared CPU benchmark tests.
  • ❌Launch MSRP is still $213 MSRP, while Core Ultra 7 255U mostly shows up through inconsistent older-market listings.
  • ❌364.3% higher power demand at 65W vs 14W.
  • ❌Older platform position on LGA1200 with DDR4, while Core Ultra 7 255U moves to FCBGA2049 and DDR5.

Core Ultra 7 255U

2025

Why buy it

  • βœ…Better for gaming: +17.7% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…Draws 14W instead of 65W, a 51W reduction.
  • βœ…Newer platform on FCBGA2049 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

  • ❌Lower PassMark (17,834 vs 17,912).
  • ❌No integrated graphics, while Core i5-11600 can still boot and troubleshoot without a discrete GPU.
  • ❌No boxed cooler included, unlike Core i5-11600.

Quick Answers

So, is Core Ultra 7 255U better than Core i5-11600?
It depends on what you want from the system. For gaming, Core Ultra 7 255U is ahead with a 17.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-11600 pulls ahead with 0.4% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-11600 is the stronger fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 7 255U is still the faster CPU overall, but Core i5-11600 is easier to justify if budget matters more than peak performance. Core Ultra 7 255U comes in at an unclear MSRP at unclear MSRP versus $213 MSRP, and it still gives you a 17.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i5-11600 is still stronger for heavier multi-core work with 0.4% better PassMark. Core i5-11600 is also 100.0% better value on MSRP (84.1 vs 0.0 PassMark/$), 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 255U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021) and a healthier platform with FCBGA2049 and DDR5 instead of LGA1200. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-11600 vs Core Ultra 7 255U Technical Specifications

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

Intel

Core i5-11600

The Core i5-11600 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 2.8 GHz, with boost up to 4.8 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: 17,912 points. Launch price was $299.

Intel

Core Ultra 7 255U

The Core Ultra 7 255U is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-U (2025) architecture. It features 12 cores and 14 threads. Base frequency is 3.8 GHz, with boost up to 5.2 GHz. L3 cache: 12 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 14 MBΒ +Β 12 MB. Memory support: DDR5. Passmark benchmark score: 17,834 points. Launch price was $299.

⚑

Processing Power

The Core i5-11600 packs 6 cores / 12 threads, while the Core Ultra 7 255U offers 12 cores / 14 threads β€” the Core Ultra 7 255U has 6 more cores. Boost clocks reach 4.8 GHz on the Core i5-11600 versus 5.2 GHz on the Core Ultra 7 255U β€” a 8% clock advantage for the Core Ultra 7 255U (base: 2.8 GHz vs 3.8 GHz). The Core i5-11600 uses the Rocket Lake (2021) architecture (14 nm), while the Core Ultra 7 255U uses Arrow Lake-U (2025) (5 nm). In PassMark, the Core i5-11600 scores 17,912 against the Core Ultra 7 255U's 17,834 β€” a 0.4% lead for the Core i5-11600. L3 cache: 12 MB (total) on the Core i5-11600 vs 12 MB on the Core Ultra 7 255U.

FeatureCore i5-11600Core Ultra 7 255U
Cores / Threads
6 / 12
12 / 14+100%
Boost Clock
4.8 GHz
5.2 GHz+8%
Base Clock
2.8 GHz
3.8 GHz+36%
L3 Cache
12 MB (total)
12 MB
L2 Cache
256K (per core)
β€”
Process
14 nm
5 nm-64%
Architecture
Rocket Lake (2021)
Arrow Lake-U (2025)
PassMark
17,912
17,834
Cinebench R23 Multi
10,500
β€”
Geekbench 6 Single
2,130
β€”
Geekbench 6 Multi
8,000
β€”
🧠

Memory & Platform

The Core i5-11600 uses the LGA1200 socket (PCIe 4.0), while the Core Ultra 7 255U uses FCBGA2049 (PCIe 5.0) β€” making them incompatible on the same motherboard.

FeatureCore i5-11600Core Ultra 7 255U
Socket
LGA1200
FCBGA2049
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
DDR4-3200
β€”
Max RAM Capacity
128 GB
β€”
RAM Channels
2
β€”
ECC Support
No
β€”
PCIe Lanes
20
β€”
πŸ”§

Advanced Features

Virtualization: VT-x, VT-d (Core i5-11600) / not specified (Core Ultra 7 255U). The Core i5-11600 includes integrated graphics (UHD Graphics 750), while the Core Ultra 7 255U requires a dedicated GPU. Primary use case: Core i5-11600 targets Gaming. Direct competitor: Core i5-11600 rivals Ryzen 5 5600X.

FeatureCore i5-11600Core Ultra 7 255U
Integrated GPU
Yes
β€”
IGPU Model
UHD Graphics 750
β€”
Unlocked
No
β€”
AVX-512
Yes
β€”
Virtualization
VT-x, VT-d
β€”
Target Use
Gaming
β€”