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 7945HX3D

2023

Why buy it

✅Better for gaming: +17.2% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 55W instead of 270W, a 215W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA4189 and DDR4.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon W-3365 needs a discrete GPU.

Trade-offs

❌Less compelling for workstation-style loads than Xeon W-3365, which brings 32 cores / 64 threads and 64 PCIe lanes.

Xeon W-3365

2021

Why buy it

✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 28.
✅128.6% more PCIe lanes (64 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX3D across 4 shared CPU benchmark tests.
❌Lower PassMark (57,312 vs 57,803).
❌Launch MSRP is still $3,499 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌390.9% higher power demand at 270W vs 55W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 7945HX3D moves to FL1 and DDR5.

Ryzen 9 7945HX3D

2023

Xeon W-3365

2021

Why buy it

✅Better for gaming: +17.2% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 55W instead of 270W, a 215W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA4189 and DDR4.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon W-3365 needs a discrete GPU.

Why buy it

✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 28.
✅128.6% more PCIe lanes (64 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Less compelling for workstation-style loads than Xeon W-3365, which brings 32 cores / 64 threads and 64 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX3D across 4 shared CPU benchmark tests.
❌Lower PassMark (57,312 vs 57,803).
❌Launch MSRP is still $3,499 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌390.9% higher power demand at 270W vs 55W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 7945HX3D moves to FL1 and DDR5.

Quick Answers

So, is Ryzen 9 7945HX3D better than Xeon W-3365?

Not in a simple one-size-fits-all way. Xeon W-3365 makes more sense for workstation-style multi-core throughput, while Ryzen 9 7945HX3D is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 7945HX3D is the better pick here. According to our tests, it delivers 17.2% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 128 MB vs 48 MB.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 9 7945HX3D is the better fit. You are getting 0.9% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 166.7% larger total L3 cache (128 MB vs 48 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 7945HX3D is still the faster CPU overall, but Xeon W-3365 makes more sense if price matters more than absolute performance. Ryzen 9 7945HX3D is at an unclear MSRP at unclear MSRP versus $3,499 MSRP, and it gives you a 17.2% average FPS lead across 4 shared CPU game tests in our data. Xeon W-3365 is also 100.0% better value on MSRP (16.4 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 9 7945HX3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with FL1 and DDR5 instead of LGA4189, 3D V-Cache and a much larger 128 MB L3 cache instead of 48 MB, and more multi-core headroom with 16 cores / 32 threads instead of 32/64. 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 7945HX3D Benchmark Check

Xeon W-3365 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 7945HX3D	Xeon W-3365
1080p
low	279 FPS	191 FPS
medium	257 FPS	154 FPS
high	210 FPS	126 FPS
ultra	178 FPS	98 FPS
1440p
low	263 FPS	157 FPS
medium	220 FPS	123 FPS
high	169 FPS	96 FPS
ultra	149 FPS	76 FPS
4K
low	183 FPS	72 FPS
medium	152 FPS	60 FPS
high	116 FPS	47 FPS
ultra	103 FPS	39 FPS

Open Ryzen 9 7945HX3D Open Xeon W-3365

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 7945HX3D	Xeon W-3365
1080p
low	673 FPS	497 FPS
medium	580 FPS	431 FPS
high	432 FPS	345 FPS
ultra	363 FPS	285 FPS
1440p
low	559 FPS	425 FPS
medium	499 FPS	376 FPS
high	385 FPS	309 FPS
ultra	301 FPS	245 FPS
4K
low	314 FPS	264 FPS
medium	284 FPS	237 FPS
high	250 FPS	209 FPS
ultra	211 FPS	174 FPS

Open Ryzen 9 7945HX3D Open Xeon W-3365

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 7945HX3D	Xeon W-3365
1080p
low	1025 FPS	1025 FPS
medium	1077 FPS	972 FPS
high	1022 FPS	913 FPS
ultra	875 FPS	826 FPS
1440p
low	884 FPS	841 FPS
medium	805 FPS	744 FPS
high	740 FPS	699 FPS
ultra	647 FPS	626 FPS
4K
low	539 FPS	540 FPS
medium	464 FPS	444 FPS
high	418 FPS	390 FPS
ultra	355 FPS	320 FPS

Open Ryzen 9 7945HX3D Open Xeon W-3365

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 7945HX3D	Xeon W-3365
1080p
low	1051 FPS	932 FPS
medium	951 FPS	847 FPS
high	833 FPS	732 FPS
ultra	745 FPS	635 FPS
1440p
low	831 FPS	732 FPS
medium	736 FPS	644 FPS
high	645 FPS	554 FPS
ultra	555 FPS	481 FPS
4K
low	607 FPS	532 FPS
medium	544 FPS	476 FPS
high	482 FPS	419 FPS
ultra	416 FPS	361 FPS

Open Ryzen 9 7945HX3D Open Xeon W-3365

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 7945HX3D and Xeon W-3365

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.

Xeon W-3365

The Xeon W-3365 is manufactured by Intel. It was released in 2021-07-29. It is based on the Ice Lake-W (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 48 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 57,312 points. Launch price was $3,499.

⚡

Processing Power

The Ryzen 9 7945HX3D packs 16 cores / 32 threads, while the Xeon W-3365 offers 32 cores / 64 threads — the Xeon W-3365 has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX3D versus 4 GHz on the Xeon W-3365 — a 29.8% clock advantage for the Ryzen 9 7945HX3D (base: 2.3 GHz vs 2.7 GHz). The Ryzen 9 7945HX3D uses the Dragon Range-HX (Zen 4) (2023−2024) architecture (5 nm), while the Xeon W-3365 uses Ice Lake-W (2021) (10 nm). In PassMark, the Ryzen 9 7945HX3D scores 57,803 against the Xeon W-3365's 57,312 — a 0.9% lead for the Ryzen 9 7945HX3D. L3 cache: 128 MB (total) on the Ryzen 9 7945HX3D vs 48 MB (total) on the Xeon W-3365.

Feature	Ryzen 9 7945HX3D	Xeon W-3365
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.4 GHz+35%	4 GHz
Base Clock	2.3 GHz	2.7 GHz+17%
L3 Cache	128 MB (total)+167%	48 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	5 nm-50%	10 nm
Architecture	Dragon Range-HX (Zen 4) (2023−2024)	Ice Lake-W (2021)
PassMark	57,803	57,312
Geekbench 6 Single	—	1,960
Geekbench 6 Multi	—	16,817

🧠

Memory & Platform

The Ryzen 9 7945HX3D uses the FL1 socket (PCIe 5.0), while the Xeon W-3365 uses LGA4189 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7945HX3D versus DDR4-3200 on the Xeon W-3365 — the Ryzen 9 7945HX3D supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3365 supports up to 4096 GB of RAM compared to 128 — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7945HX3D) vs 8 (Xeon W-3365). PCIe lanes: 28 (Ryzen 9 7945HX3D) vs 64 (Xeon W-3365) — the Xeon W-3365 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 7945HX3D) and Intel C621A (Xeon W-3365).

Feature	Ryzen 9 7945HX3D	Xeon W-3365
Socket	FL1	LGA4189
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	5200+129900%	DDR4-3200
Max RAM Capacity	128	4096 GB+3355443100%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	64+129%

🔧

Advanced Features

Only the Ryzen 9 7945HX3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D) vs true (Xeon W-3365). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon W-3365 requires a dedicated GPU. Direct competitor: Ryzen 9 7945HX3D rivals Core Ultra 9 285HX; Xeon W-3365 rivals EPYC 7543.

Feature	Ryzen 9 7945HX3D	Xeon W-3365
Integrated GPU	Yes	No
IGPU Model	AMD Radeon 610M	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d, AMD-V	true

💰

Value Analysis

The Ryzen 9 7945HX3D launched at $0 MSRP, while the Xeon W-3365 debuted at $3499. On MSRP ($0 vs $3499), the Ryzen 9 7945HX3D is $3499 cheaper.