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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 9 PRO 5945

2022

Why buy it

✅Better for gaming: +12.2% higher average FPS across 50 shared CPU benchmark tests.
✅+300% larger total L3 cache (64 MB vs 16 MB).
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌132.1% higher power demand at 65W vs 28W.
❌Older platform position on AM4 with DDR4, while Ryzen AI 9 HX 375 moves to FP8 and DDR5.
❌No integrated graphics, while Ryzen AI 9 HX 375 can still boot and troubleshoot without a discrete GPU.

Ryzen AI 9 HX 375

2024

Why buy it

✅Draws 28W instead of 65W, a 37W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 890M, while Ryzen 9 PRO 5945 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 5945 across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (22,246 vs 23,200).
❌Smaller total L3 cache (16 MB vs 64 MB).

Ryzen 9 PRO 5945

2022

Ryzen AI 9 HX 375

2024

Why buy it

✅Better for gaming: +12.2% higher average FPS across 50 shared CPU benchmark tests.
✅+300% larger total L3 cache (64 MB vs 16 MB).
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Why buy it

✅Draws 28W instead of 65W, a 37W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 890M, while Ryzen 9 PRO 5945 needs a discrete GPU.

Trade-offs

❌132.1% higher power demand at 65W vs 28W.
❌Older platform position on AM4 with DDR4, while Ryzen AI 9 HX 375 moves to FP8 and DDR5.
❌No integrated graphics, while Ryzen AI 9 HX 375 can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 5945 across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (22,246 vs 23,200).
❌Smaller total L3 cache (16 MB vs 64 MB).

Quick Answers

So, is Ryzen 9 PRO 5945 better than Ryzen AI 9 HX 375?

Yes. Ryzen 9 PRO 5945 is the better overall CPU here. You are getting a 12.2% average FPS lead across 50 shared CPU game tests in our data and 4.3% better Cinebench R23 multi-core, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 PRO 5945 is the better pick here. According to our tests, it delivers 12.2% 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 9 PRO 5945 is the better fit. You are getting 4.3% better Cinebench R23 multi-core, backed by 12 cores and 24 threads. It also carries 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 9 PRO 5945 still looks like the safer overall buy. Ryzen 9 PRO 5945 is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 12.2% average FPS lead across 50 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Ryzen AI 9 HX 375 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022) and a healthier platform with FP8 and DDR5 instead of AM4. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Ryzen 9 PRO 5945 Benchmark Check

Ryzen AI 9 HX 375 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 PRO 5945	Ryzen AI 9 HX 375
1080p
low	164 FPS	245 FPS
medium	136 FPS	230 FPS
high	116 FPS	192 FPS
ultra	97 FPS	165 FPS
1440p
low	149 FPS	216 FPS
medium	119 FPS	184 FPS
high	97 FPS	148 FPS
ultra	82 FPS	130 FPS
4K
low	83 FPS	150 FPS
medium	72 FPS	128 FPS
high	57 FPS	98 FPS
ultra	46 FPS	86 FPS

Open Ryzen 9 PRO 5945 Open Ryzen AI 9 HX 375

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 PRO 5945	Ryzen AI 9 HX 375
1080p
low	630 FPS	262 FPS
medium	544 FPS	220 FPS
high	434 FPS	194 FPS
ultra	381 FPS	173 FPS
1440p
low	524 FPS	232 FPS
medium	460 FPS	203 FPS
high	385 FPS	178 FPS
ultra	315 FPS	151 FPS
4K
low	307 FPS	154 FPS
medium	271 FPS	140 FPS
high	249 FPS	135 FPS
ultra	221 FPS	115 FPS

Open Ryzen 9 PRO 5945 Open Ryzen AI 9 HX 375

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 PRO 5945	Ryzen AI 9 HX 375
1080p
low	845 FPS	738 FPS
medium	670 FPS	587 FPS
high	586 FPS	508 FPS
ultra	494 FPS	429 FPS
1440p
low	676 FPS	661 FPS
medium	535 FPS	533 FPS
high	460 FPS	455 FPS
ultra	387 FPS	388 FPS
4K
low	480 FPS	482 FPS
medium	398 FPS	403 FPS
high	354 FPS	359 FPS
ultra	293 FPS	301 FPS

Open Ryzen 9 PRO 5945 Open Ryzen AI 9 HX 375

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 PRO 5945	Ryzen AI 9 HX 375
1080p
low	864 FPS	865 FPS
medium	864 FPS	809 FPS
high	836 FPS	694 FPS
ultra	743 FPS	625 FPS
1440p
low	864 FPS	757 FPS
medium	757 FPS	680 FPS
high	661 FPS	583 FPS
ultra	566 FPS	515 FPS
4K
low	626 FPS	518 FPS
medium	557 FPS	473 FPS
high	490 FPS	420 FPS
ultra	423 FPS	369 FPS

Open Ryzen 9 PRO 5945 Open Ryzen AI 9 HX 375

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 PRO 5945 and Ryzen AI 9 HX 375

Ryzen 9 PRO 5945

The Ryzen 9 PRO 5945 is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 34,549 points. Launch price was $499.

Ryzen AI 9 HX 375

The Ryzen AI 9 HX 375 is manufactured by AMD. It was released in Julho 2024 (1 year ago). It is based on the Strix Point-HX (Zen 5) (2024) 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: 34,585 points. Launch price was $499.

⚡

Processing Power

Both the Ryzen 9 PRO 5945 and Ryzen AI 9 HX 375 share an identical 12-core/24-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 9 PRO 5945 versus 5.1 GHz on the Ryzen AI 9 HX 375 — a 8.2% clock advantage for the Ryzen AI 9 HX 375 (base: 3 GHz vs 2 GHz). The Ryzen 9 PRO 5945 uses the Vermeer (2020−2025) architecture (7 nm), while the Ryzen AI 9 HX 375 uses Strix Point-HX (Zen 5) (2024) (4 nm). In PassMark, the Ryzen 9 PRO 5945 scores 34,549 against the Ryzen AI 9 HX 375's 34,585 — a 0.1% lead for the Ryzen AI 9 HX 375. Cinebench R23 multi-core: 23,200 vs 22,246 (4.2% advantage for the Ryzen 9 PRO 5945). Geekbench 6 single-core — the metric most relevant to gaming — records 2,175 vs 2,865, a 27.4% lead for the Ryzen AI 9 HX 375 that directly translates to higher frame rates. Multi-core Geekbench: 12,500 vs 15,100 (18.8% advantage for the Ryzen AI 9 HX 375). L3 cache: 64 MB on the Ryzen 9 PRO 5945 vs 16 MB on the Ryzen AI 9 HX 375.

Feature	Ryzen 9 PRO 5945	Ryzen AI 9 HX 375
Cores / Threads	12 / 24	12 / 24
Boost Clock	4.7 GHz	5.1 GHz+9%
Base Clock	3 GHz+50%	2 GHz
L3 Cache	64 MB+300%	16 MB
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	7 nm	4 nm-43%
Architecture	Vermeer (2020−2025)	Strix Point-HX (Zen 5) (2024)
PassMark	34,549	34,585
Cinebench R23 Multi	23,200+4%	22,246
Geekbench 6 Single	2,175	2,865+32%
Geekbench 6 Multi	12,500	15,100+21%

🧠

Memory & Platform

The Ryzen 9 PRO 5945 uses the AM4 socket (PCIe 4.0), while the Ryzen AI 9 HX 375 uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 PRO 5945 versus LPDDR5x-8000, DDR5-5600 on the Ryzen AI 9 HX 375 — the Ryzen AI 9 HX 375 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen AI 9 HX 375 supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Ryzen 9 PRO 5945) vs 16 (Ryzen AI 9 HX 375) — the Ryzen 9 PRO 5945 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,A520,X470,B450 (Ryzen 9 PRO 5945) and SoC (Ryzen AI 9 HX 375).

Feature	Ryzen 9 PRO 5945	Ryzen AI 9 HX 375
Socket	AM4	FP8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	LPDDR5x-8000, DDR5-5600+25%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	20+25%	16

🔧

Advanced Features

Neither processor supports overclocking. Only the Ryzen AI 9 HX 375 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (SVM) (Ryzen 9 PRO 5945) vs AMD-V, AMD-Vi (Ryzen AI 9 HX 375). The Ryzen AI 9 HX 375 includes integrated graphics (Radeon 890M), while the Ryzen 9 PRO 5945 requires a dedicated GPU. Primary use case: Ryzen 9 PRO 5945 targets High-end Gaming, Ryzen AI 9 HX 375 targets AI-Notebook. Direct competitor: Ryzen 9 PRO 5945 rivals Core i9-12900; Ryzen AI 9 HX 375 rivals Ryzen AI 9 HX 370.