Core Ultra 9 275HX vs Ryzen 7 7800X3D

Intel

Core Ultra 9 275HX

24 Cores24 Thrd55 WWMax: 5.4 GHz2025
Core Ultra family
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VS
AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023
Ryzen family
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Core Ultra 9 275HX vs Ryzen 7 7800X3D 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 9 275HX vs Ryzen 7 7800X3D 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 9 275HX vs Ryzen 7 7800X3D: 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 9 275HX

2025

Why buy it

  • +19.4% higher Geekbench multi-core.
  • Draws 55W instead of 120W, a 65W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 10 shared CPU benchmark tests.

Ryzen 7 7800X3D

2023

Why buy it

  • Better for gaming: +13.1% higher average FPS across 10 shared CPU benchmark tests.
  • 16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Lower Geekbench multi-core (15,000 vs 17,908).
  • Launch MSRP is still $449 MSRP, while Core Ultra 9 275HX mostly shows up through inconsistent older-market listings.
  • 118.2% higher power demand at 120W vs 55W.

Quick Answers

So, is Core Ultra 9 275HX better than Ryzen 7 7800X3D?
It depends on what you want from the system. For gaming, Ryzen 7 7800X3D is ahead with a 13.1% average FPS lead across 10 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core Ultra 9 275HX pulls ahead with 19.4% better Geekbench multi-core. Ryzen 7 7800X3D also has the bigger cache pool with 166.7% larger total L3 cache (96 MB vs 36 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core Ultra 9 275HX is the stronger fit. You are getting 19.4% better Geekbench multi-core, backed by 24 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 9 275HX is still the faster CPU overall, but Ryzen 7 7800X3D is easier to justify if budget matters more than peak performance. Core Ultra 9 275HX comes in at an unclear MSRP at unclear MSRP versus $449 MSRP, and it still gives you 19.4% better Geekbench multi-core. The compromise is that Ryzen 7 7800X3D is still the better pure gaming CPU with a 13.1% average FPS lead across 10 shared CPU game tests in our data. Ryzen 7 7800X3D is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), 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 9 275HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023) and more multi-core headroom with 24 cores / 24 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core Ultra 9 275HX vs Ryzen 7 7800X3D Technical Specifications

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

Intel

Core Ultra 9 275HX

The Core Ultra 9 275HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.7 GHz, with boost up to 5.4 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 56,018 points. Launch price was $600.

AMD

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

Processing Power

The Core Ultra 9 275HX packs 24 cores / 24 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Core Ultra 9 275HX has 16 more cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 275HX versus 5 GHz on the Ryzen 7 7800X3D — a 7.7% clock advantage for the Core Ultra 9 275HX (base: 2.7 GHz vs 4.4 GHz). The Core Ultra 9 275HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core Ultra 9 275HX scores 56,018 against the Ryzen 7 7800X3D's 34,293 — a 48.1% lead for the Core Ultra 9 275HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,835 vs 2,700, a 4.9% lead for the Core Ultra 9 275HX that directly translates to higher frame rates. Multi-core Geekbench: 17,908 vs 15,000 (17.7% advantage for the Core Ultra 9 275HX). L3 cache: 36 MB (total) on the Core Ultra 9 275HX vs 96 MB (total) on the Ryzen 7 7800X3D.

FeatureCore Ultra 9 275HXRyzen 7 7800X3D
Cores / Threads
24 / 24+200%
8 / 16
Boost Clock
5.4 GHz+8%
5 GHz
Base Clock
2.7 GHz
4.4 GHz+63%
L3 Cache
36 MB (total)
96 MB (total)+167%
L2 Cache
3 MB (per core)+200%
1 MB (per core)
Process
3 nm-40%
5 nm
Architecture
Arrow Lake-HX (2025)
Raphael (Zen4) (2022−2023)
PassMark
56,018+63%
34,293
Cinebench R23 Multi
18,500
Geekbench 6 Single
2,835+5%
2,700
Geekbench 6 Multi
17,908+19%
15,000
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Memory & Platform

The Core Ultra 9 275HX uses the FCBGA2114 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 275HX versus DDR5-5200 on the Ryzen 7 7800X3D — the Core Ultra 9 275HX supports 23.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 9 275HX supports up to 256 GB of RAM compared to 128 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 9 275HX) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 9 275HX) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

FeatureCore Ultra 9 275HXRyzen 7 7800X3D
Socket
FCBGA2114
AM5
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
DDR5-6400+23%
DDR5-5200
Max RAM Capacity
256 GB+100%
128 GB
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
24
28+17%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 9 275HX) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics Intel Arc Graphics (Core Ultra 9 275HX) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 9 275HX targets High-End Gaming Laptop, Ryzen 7 7800X3D targets Gaming. Direct competitor: Core Ultra 9 275HX rivals Ryzen 9 9955HX; Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeatureCore Ultra 9 275HXRyzen 7 7800X3D
Integrated GPU
Yes
Yes
IGPU Model
Intel Arc Graphics
AMD Radeon Graphics (2-core)
Unlocked
Yes
Yes
AVX-512
No
Yes
Virtualization
VT-x, VT-d
AMD-V
Target Use
High-End Gaming Laptop
Gaming