Core Ultra 5 115U vs Xeon 6315P

Intel

Core Ultra 5 115U

8 Cores10 Thrd0 WWMax: 4.2 GHz2023
Core Ultra family
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VS
Intel

Xeon 6315P

4 Cores4 Thrd55 WWMax: 4.5 GHz2025
Similar parts
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Core Ultra 5 115U vs Xeon 6315P 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 Ultra 5 115U vs Xeon 6315P 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 Ultra 5 115U vs Xeon 6315P: Pros, Cons & Final Verdict

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

Core Ultra 5 115U

2023

Why buy it

  • Better for gaming: +11.2% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark (11,518 vs 11,721).
  • Smaller total L3 cache (10 MB vs 12 MB).

Xeon 6315P

2025

Why buy it

  • +1.8% higher PassMark.
  • +20% larger total L3 cache (12 MB vs 10 MB).

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 5 115U across 50 shared CPU benchmark tests.
  • Launch MSRP is still $1,166 MSRP, while Core Ultra 5 115U mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Xeon 6315P better than Core Ultra 5 115U?
Not really, because they are built for different jobs. Xeon 6315P makes more sense for workstation-style multi-core throughput, while Core Ultra 5 115U is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon 6315P is the stronger fit. You are getting 1.8% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 20% larger total L3 cache (12 MB vs 10 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Xeon 6315P is the better buy right now. Xeon 6315P comes in at an unclear MSRP at $1,166 MSRP versus unclear MSRP, and it still gives you 1.8% better PassMark. The compromise is that Core Ultra 5 115U is still the better pure gaming CPU with a 11.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (10.1 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon 6315P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023), 20% larger total L3 cache (12 MB vs 10 MB), and more multi-core headroom with 4 cores / 4 threads instead of 8/10. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core Ultra 5 115U vs Xeon 6315P Technical Specifications

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

Intel

Core Ultra 5 115U

The Core Ultra 5 115U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake (2023) architecture. It features 8 cores and 10 threads. Base frequency is 1.5 GHz, with boost up to 4.2 GHz. L3 cache: 10 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 10 MB. Memory support: DDR5 Depends on motherboard. Passmark benchmark score: 11,518 points. Launch price was $149.

Intel

Xeon 6315P

The Xeon 6315P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 55 Watt. Memory support: DDR5-4800. Passmark benchmark score: 11,721 points. Launch price was $213.

Processing Power

The Core Ultra 5 115U packs 8 cores / 10 threads, while the Xeon 6315P offers 4 cores / 4 threads — the Core Ultra 5 115U has 4 more cores. Boost clocks reach 4.2 GHz on the Core Ultra 5 115U versus 4.5 GHz on the Xeon 6315P — a 6.9% clock advantage for the Xeon 6315P (base: 1.5 GHz vs 2.8 GHz). The Core Ultra 5 115U uses the Meteor Lake (2023) architecture (7 nm), while the Xeon 6315P uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Core Ultra 5 115U scores 11,518 against the Xeon 6315P's 11,721 — a 1.7% lead for the Xeon 6315P. L3 cache: 10 MB (total) on the Core Ultra 5 115U vs 12 MB (total) on the Xeon 6315P.

FeatureCore Ultra 5 115UXeon 6315P
Cores / Threads
8 / 10+100%
4 / 4
Boost Clock
4.2 GHz
4.5 GHz+7%
Base Clock
1.5 GHz
2.8 GHz+87%
L3 Cache
10 MB (total)
12 MB (total)+20%
L2 Cache
2 MB (per core)+60%
1.25 MB (per core)
Process
7 nm
Intel 7 nm
Architecture
Meteor Lake (2023)
Raptor Lake-R (2023−2025)
PassMark
11,518
11,721+2%
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Memory & Platform

The Core Ultra 5 115U uses the FCBGA2049 socket (PCIe 5.0), while the Xeon 6315P uses LGA1700 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore Ultra 5 115UXeon 6315P
Socket
FCBGA2049
LGA1700
PCIe Generation
PCIe 5.0+25%
PCIe 4.0