Core Ultra 9 285HX vs Ryzen 9 7945HX3D

Intel

Core Ultra 9 285HX

24 Cores24 Thrd55 WWMax: 5.5 GHz2025
Core Ultra family
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VS
AMD

Ryzen 9 7945HX3D

16 Cores32 Thrd55 WWMax: 5.4 GHz2023
Ryzen family
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Core Ultra 9 285HX vs Ryzen 9 7945HX3D 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 285HX vs Ryzen 9 7945HX3D 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 285HX vs Ryzen 9 7945HX3D: 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 285HX

2025

Why buy it

  • Better for gaming: +3.7% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • Smaller total L3 cache (36 MB vs 128 MB).

Ryzen 9 7945HX3D

2023

Why buy it

  • +255.6% larger total L3 cache (128 MB vs 36 MB).
  • 16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 9 285HX across 50 shared CPU benchmark tests.
  • Lower PassMark (57,803 vs 58,732).

Quick Answers

So, is Core Ultra 9 285HX better than Ryzen 9 7945HX3D?
Yes. Core Ultra 9 285HX is the better all-around CPU here. It gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data, 1.6% 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 9 285HX is the better pick. According to our tests, it delivers 3.7% 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 9 285HX is the stronger fit. You are getting 1.6% better PassMark, backed by 24 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 9 285HX still makes the most sense overall. Core Ultra 9 285HX comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Core Ultra 9 285HX 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 16/32. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 9 285HX vs Ryzen 9 7945HX3D Technical Specifications

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

Intel

Core Ultra 9 285HX

The Core Ultra 9 285HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.8 GHz, with boost up to 5.5 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: 58,732 points. Launch price was $650.

AMD

Ryzen 9 7945HX3D

The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.

Processing Power

The Core Ultra 9 285HX packs 24 cores / 24 threads, while the Ryzen 9 7945HX3D offers 16 cores / 32 threads — the Core Ultra 9 285HX has 8 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 9 285HX versus 5.4 GHz on the Ryzen 9 7945HX3D — a 1.8% clock advantage for the Core Ultra 9 285HX (base: 2.8 GHz vs 2.3 GHz). The Core Ultra 9 285HX uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen 9 7945HX3D uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Core Ultra 9 285HX scores 58,732 against the Ryzen 9 7945HX3D's 57,803 — a 1.6% lead for the Core Ultra 9 285HX. L3 cache: 36 MB (total) on the Core Ultra 9 285HX vs 128 MB (total) on the Ryzen 9 7945HX3D.

FeatureCore Ultra 9 285HXRyzen 9 7945HX3D
Cores / Threads
24 / 24+50%
16 / 32
Boost Clock
5.5 GHz+2%
5.4 GHz
Base Clock
2.8 GHz+22%
2.3 GHz
L3 Cache
36 MB (total)
128 MB (total)+256%
L2 Cache
3 MB (per core)+200%
1 MB (per core)
Process
3 nm-40%
5 nm
Architecture
Arrow Lake-S (2024−2025)
Dragon Range-HX (Zen 4) (2023−2024)
PassMark
58,732+2%
57,803
Geekbench 6 Single
3,106
Geekbench 6 Multi
22,200
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Memory & Platform

The Core Ultra 9 285HX uses the FCBGA2114 socket (PCIe 5.0), while the Ryzen 9 7945HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 285HX versus 5200 on the Ryzen 9 7945HX3D — the Core Ultra 9 285HX supports 23.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 9 285HX supports up to 192 GB of RAM compared to 128 GB 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 9 285HX) vs 28 (Ryzen 9 7945HX3D) — the Ryzen 9 7945HX3D offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM870 (Core Ultra 9 285HX) and FL1 (Ryzen 9 7945HX3D).

FeatureCore Ultra 9 285HXRyzen 9 7945HX3D
Socket
FCBGA2114
FL1
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
DDR5-6400+23%
5200
Max RAM Capacity
192 GB+50%
128 GB
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
24
28+17%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7945HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 9 285HX) vs VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D). Both include integrated graphics Intel Arc Graphics (Core Ultra 9 285HX) and AMD Radeon 610M (Ryzen 9 7945HX3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core Ultra 9 285HX rivals Ryzen 9 7945HX3D; Ryzen 9 7945HX3D rivals Core Ultra 9 285HX.

FeatureCore Ultra 9 285HXRyzen 9 7945HX3D
Integrated GPU
Yes
Yes
IGPU Model
Intel Arc Graphics
AMD Radeon 610M
Unlocked
Yes
Yes
AVX-512
No
Yes
Virtualization
true
VT-x, VT-d, AMD-V