Core i5-11500B vs Core Ultra 5 235U

Intel

Core i5-11500B

6 Cores12 Thrd7.5 WWMax: 4.6 GHz2021
Core family
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VS
Intel

Core Ultra 5 235U

12 Cores14 Thrd14 WWMax: 4.9 GHz2025
Core Ultra family
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Core i5-11500B vs Core Ultra 5 235U 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 i5-11500B vs Core Ultra 5 235U 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 i5-11500B vs Core Ultra 5 235U: Pros, Cons & Final Verdict

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

Core i5-11500B

2021

Why buy it

  • Draws 8W instead of 14W, a 7W reduction.
  • 100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with UHD Graphics 32EU, while Core Ultra 5 235U needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 5 235U across 50 shared CPU benchmark tests.
  • Lower PassMark (17,075 vs 17,397).
  • Launch MSRP is still $185 MSRP, while Core Ultra 5 235U mostly shows up through inconsistent older-market listings.
  • Older platform position on FCBGA1787 with DDR4, while Core Ultra 5 235U moves to FCBGA2049 and DDR5.

Core Ultra 5 235U

2025

Why buy it

  • Better for gaming: +18.4% higher average FPS across 50 shared CPU benchmark tests.
  • Newer platform on FCBGA2049 with DDR5 support instead of FCBGA1787 and DDR4.

Trade-offs

  • 86.7% higher power demand at 14W vs 7.5W.
  • No integrated graphics, while Core i5-11500B can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 5 235U better than Core i5-11500B?
Yes. Core Ultra 5 235U is the better all-around CPU here. It gives you a 18.4% average FPS lead across 50 shared CPU game tests in our data, 1.9% better 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 5 235U is the better pick. According to our tests, it delivers 18.4% 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 5 235U is the stronger fit. You are getting 1.9% better PassMark, backed by 12 cores and 14 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 5 235U is the easy recommendation for a fresh desktop build. Core Ultra 5 235U comes in at an unclear MSRP at unclear MSRP versus $185 MSRP, and it still gives you a 18.4% average FPS lead across 50 shared CPU game tests in our data. Core i5-11500B only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 18.4% in the shared gaming data.
Which one is more future-proof for 2026 and beyond?
Core Ultra 5 235U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with FCBGA2049 and DDR5 instead of FCBGA1787, 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 i5-11500B vs Core Ultra 5 235U Technical Specifications

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

Intel

Core i5-11500B

The Core i5-11500B is manufactured by Intel. It was released in 1 April 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 12 MB. L2 cache: 7.5 MB. Built on 10 nm process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 17,075 points. Launch price was $299.

Intel

Core Ultra 5 235U

The Core Ultra 5 235U 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 2.4 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 14 MB + 12 MB. Memory support: DDR5. Passmark benchmark score: 17,397 points. Launch price was $299.

Processing Power

The Core i5-11500B packs 6 cores / 12 threads, while the Core Ultra 5 235U offers 12 cores / 14 threads — the Core Ultra 5 235U has 6 more cores. Boost clocks reach 4.6 GHz on the Core i5-11500B versus 4.9 GHz on the Core Ultra 5 235U — a 6.3% clock advantage for the Core Ultra 5 235U (base: 3.3 GHz vs 2.4 GHz). The Core i5-11500B uses the Tiger Lake-H (2021) architecture (10 nm), while the Core Ultra 5 235U uses Arrow Lake-U (2025) (5 nm). In PassMark, the Core i5-11500B scores 17,075 against the Core Ultra 5 235U's 17,397 — a 1.9% lead for the Core Ultra 5 235U. Both processors carry 12 MB of L3 cache.

FeatureCore i5-11500BCore Ultra 5 235U
Cores / Threads
6 / 12
12 / 14+100%
Boost Clock
4.6 GHz
4.9 GHz+7%
Base Clock
3.3 GHz+38%
2.4 GHz
L3 Cache
12 MB
12 MB
L2 Cache
7.5 MB
Process
10 nm
5 nm-50%
Architecture
Tiger Lake-H (2021)
Arrow Lake-U (2025)
PassMark
17,075
17,397+2%
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Memory & Platform

The Core i5-11500B uses the FCBGA1787 socket (PCIe 4.0), while the Core Ultra 5 235U uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureCore i5-11500BCore Ultra 5 235U
Socket
FCBGA1787
FCBGA2049
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
DDR4-3200
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
20
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Advanced Features

Virtualization: VT-x, VT-d (Core i5-11500B) / not specified (Core Ultra 5 235U). The Core i5-11500B includes integrated graphics (UHD Graphics 32EU), while the Core Ultra 5 235U requires a dedicated GPU. Primary use case: Core i5-11500B targets Desktop / Mini PC.

FeatureCore i5-11500BCore Ultra 5 235U
Integrated GPU
Yes
IGPU Model
UHD Graphics 32EU
Unlocked
No
AVX-512
Yes
Virtualization
VT-x, VT-d
Target Use
Desktop / Mini PC