Ryzen AI 9 HX PRO 370 vs Ryzen Threadripper PRO 3945WX

AMD

Ryzen AI 9 HX PRO 370

12 Cores24 Thrd28 WWMax: 5.1 GHz2025
Similar parts
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AMD

Ryzen Threadripper PRO 3945WX

12 Cores24 Thrd280 WWMax: 4.3 GHz2020
Threadripper Pro family
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Ryzen AI 9 HX PRO 370 vs Ryzen Threadripper PRO 3945WX 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.

Ryzen AI 9 HX PRO 370 vs Ryzen Threadripper PRO 3945WX 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.

Ryzen AI 9 HX PRO 370 vs Ryzen Threadripper PRO 3945WX: Pros, Cons & Final Verdict

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

Ryzen AI 9 HX PRO 370

2025

Why buy it

  • Costs $649 less on MSRP ($500 MSRP vs $1,149 MSRP).
  • Delivers 125.6% more PassMark for each dollar spent, at 65.7 vs 29.1 PassMark/$ ($500 MSRP vs $1,149 MSRP).
  • Draws 28W instead of 280W, a 252W reduction.
  • Newer platform on FP8 with DDR5 support instead of sWRX8 and DDR4.
  • Integrated graphics onboard with Radeon 890M, while Ryzen Threadripper PRO 3945WX needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3945WX across 50 shared CPU benchmark tests.
  • Lower PassMark (32,841 vs 33,455).
  • Smaller total L3 cache (16 MB vs 64 MB).
  • Less compelling for workstation-style loads than Ryzen Threadripper PRO 3945WX, which brings 12 cores / 24 threads and 128 PCIe lanes.

Ryzen Threadripper PRO 3945WX

2020

Why buy it

  • Better for gaming: +12.6% higher average FPS across 50 shared CPU benchmark tests.
  • +300% larger total L3 cache (64 MB vs 16 MB).
  • Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 128 PCIe lanes vs 20.
  • 540% more PCIe lanes (128 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 29.1 vs 65.7 PassMark/$ ($1,149 MSRP vs $500 MSRP).
  • 900% higher power demand at 280W vs 28W.
  • Older platform position on sWRX8 with DDR4, while Ryzen AI 9 HX PRO 370 moves to FP8 and DDR5.
  • No integrated graphics, while Ryzen AI 9 HX PRO 370 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen Threadripper PRO 3945WX better than Ryzen AI 9 HX PRO 370?
Not really, because they are built for different jobs. Ryzen Threadripper PRO 3945WX makes more sense for workstation-style multi-core throughput, while Ryzen AI 9 HX PRO 370 is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Ryzen Threadripper PRO 3945WX is the better pick. According to our tests, it delivers 12.6% 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, Ryzen Threadripper PRO 3945WX is the stronger fit. You are getting 1.9% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 300% larger total L3 cache (64 MB vs 16 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen Threadripper PRO 3945WX is the easy recommendation for a fresh desktop build. Ryzen Threadripper PRO 3945WX comes in 129.8% more expensive on MSRP at $1,149 MSRP versus $500 MSRP, and it still gives you a 12.6% average FPS lead across 50 shared CPU game tests in our data. Ryzen AI 9 HX PRO 370 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 12.6% in the shared gaming data.
Which one is more future-proof for 2026 and beyond?
Ryzen AI 9 HX PRO 370 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with FP8 and DDR5 instead of sWRX8, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen AI 9 HX PRO 370 vs Ryzen Threadripper PRO 3945WX Technical Specifications

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

AMD

Ryzen AI 9 HX PRO 370

The Ryzen AI 9 HX PRO 370 is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Strix Point-HX PRO (Zen 5/5c) (2025) architecture. It features 12 cores and 24 threads. Base frequency is 2 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 32,841 points. Launch price was $499.

AMD

Ryzen Threadripper PRO 3945WX

The Ryzen Threadripper PRO 3945WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 12 cores and 24 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 33,455 points. Launch price was $499.

Processing Power

Both the Ryzen AI 9 HX PRO 370 and Ryzen Threadripper PRO 3945WX share an identical 12-core/24-thread configuration. Boost clocks reach 5.1 GHz on the Ryzen AI 9 HX PRO 370 versus 4.3 GHz on the Ryzen Threadripper PRO 3945WX — a 17% clock advantage for the Ryzen AI 9 HX PRO 370 (base: 2 GHz vs 4 GHz). The Ryzen AI 9 HX PRO 370 uses the Strix Point-HX PRO (Zen 5/5c) (2025) architecture (4 nm), while the Ryzen Threadripper PRO 3945WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Ryzen AI 9 HX PRO 370 scores 32,841 against the Ryzen Threadripper PRO 3945WX's 33,455 — a 1.9% lead for the Ryzen Threadripper PRO 3945WX. L3 cache: 16 MB on the Ryzen AI 9 HX PRO 370 vs 64 MB on the Ryzen Threadripper PRO 3945WX.

FeatureRyzen AI 9 HX PRO 370Ryzen Threadripper PRO 3945WX
Cores / Threads
12 / 24
12 / 24
Boost Clock
5.1 GHz+19%
4.3 GHz
Base Clock
2 GHz
4 GHz+100%
L3 Cache
16 MB
64 MB+300%
L2 Cache
1 MB (per core)+100%
512 kB (per core)
Process
4 nm-43%
7 nm, 12 nm
Architecture
Strix Point-HX PRO (Zen 5/5c) (2025)
Castle Peak (2020)
PassMark
32,841
33,455+2%
Cinebench R23 Multi
18,500
Geekbench 6 Single
1,652
Geekbench 6 Multi
11,500
🧠

Memory & Platform

The Ryzen AI 9 HX PRO 370 uses the FP8 socket (PCIe 4.0), while the Ryzen Threadripper PRO 3945WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5X-8000 on the Ryzen AI 9 HX PRO 370 versus DDR4-3200 on the Ryzen Threadripper PRO 3945WX — the Ryzen AI 9 HX PRO 370 supports 150% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3945WX supports up to 2048 GB of RAM compared to 64 GB 3100% more capacity for professional workloads. Memory channels: 2 (Ryzen AI 9 HX PRO 370) vs 8 (Ryzen Threadripper PRO 3945WX). PCIe lanes: 20 (Ryzen AI 9 HX PRO 370) vs 128 (Ryzen Threadripper PRO 3945WX) — the Ryzen Threadripper PRO 3945WX offers 108 more lanes for additional GPUs or NVMe drives.

FeatureRyzen AI 9 HX PRO 370Ryzen Threadripper PRO 3945WX
Socket
FP8
sWRX8
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
LPDDR5X-8000+150%
DDR4-3200
Max RAM Capacity
64 GB
2048 GB+3100%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
20
128+540%
🔧

Advanced Features

Only the Ryzen Threadripper PRO 3945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen AI 9 HX PRO 370 supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen AI 9 HX PRO 370 includes integrated graphics (Radeon 890M), while the Ryzen Threadripper PRO 3945WX requires a dedicated GPU. Primary use case: Ryzen AI 9 HX PRO 370 targets Mobile Workstation / AI, Ryzen Threadripper PRO 3945WX targets Professional Workstation. Direct competitor: Ryzen Threadripper PRO 3945WX rivals Xeon w5-2455X.

FeatureRyzen AI 9 HX PRO 370Ryzen Threadripper PRO 3945WX
Integrated GPU
Yes
No
IGPU Model
Radeon 890M
Unlocked
No
Yes
AVX-512
Yes
No
Virtualization
AMD-V
AMD-V
Target Use
Mobile Workstation / AI
Professional Workstation
💰

Value Analysis

At launch, the Ryzen AI 9 HX PRO 370 was priced at $500, while the Ryzen Threadripper PRO 3945WX came in at $1149. On launch pricing ($500 vs $1149), Ryzen AI 9 HX PRO 370 was $649 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen AI 9 HX PRO 370 delivers 65.7 pts/$ vs 29.1 pts/$ for the Ryzen Threadripper PRO 3945WX — making the Ryzen AI 9 HX PRO 370 the 77.1% better value option.

FeatureRyzen AI 9 HX PRO 370Ryzen Threadripper PRO 3945WX
MSRP
$500-56%
$1149
Performance per Dollar
65.7+126%
29.1
Release Date
2025
2020

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