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

✅+89.6% larger total L3 cache (128 MB vs 68 MB).
✅Draws 55W instead of 310W, a 255W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon w7-3545 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3545 across 4 shared CPU benchmark tests.
❌Lower PassMark (57,803 vs 58,453).
❌Less compelling for workstation-style loads than Xeon w7-3545, which brings 24 cores / 48 threads and 112 PCIe lanes.

Xeon w7-3545

2023

Why buy it

✅Better for gaming: +5.2% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 112 PCIe lanes vs 28.
✅300% more PCIe lanes (112 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (68 MB vs 128 MB).
❌Launch MSRP is still $2,039 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌463.6% higher power demand at 310W vs 55W.
❌No integrated graphics, while Ryzen 9 7945HX3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 7945HX3D

2023

Xeon w7-3545

2023

Why buy it

✅+89.6% larger total L3 cache (128 MB vs 68 MB).
✅Draws 55W instead of 310W, a 255W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon w7-3545 needs a discrete GPU.

Why buy it

✅Better for gaming: +5.2% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 112 PCIe lanes vs 28.
✅300% more PCIe lanes (112 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3545 across 4 shared CPU benchmark tests.
❌Lower PassMark (57,803 vs 58,453).
❌Less compelling for workstation-style loads than Xeon w7-3545, which brings 24 cores / 48 threads and 112 PCIe lanes.

Trade-offs

❌Smaller total L3 cache (68 MB vs 128 MB).
❌Launch MSRP is still $2,039 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌463.6% higher power demand at 310W vs 55W.
❌No integrated graphics, while Ryzen 9 7945HX3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon w7-3545 better than Ryzen 9 7945HX3D?

Not in a simple one-size-fits-all way. Xeon w7-3545 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, Xeon w7-3545 is the better pick here. According to our tests, it delivers 5.2% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon w7-3545 is the better fit. You are getting 1.1% better PassMark, backed by 24 cores and 48 threads.

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

Xeon w7-3545 is the smarter buy today. Xeon w7-3545 is at an unclear MSRP at $2,039 MSRP versus unclear MSRP, and it gives you a 5.2% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (28.7 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Xeon w7-3545 is the more future-proof choice for 2026 and beyond. You are getting more multi-core headroom with 24 cores / 48 threads instead of 16/32. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 w7-3545 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 7945HX3D	Xeon w7-3545
1080p
low	279 FPS	311 FPS
medium	257 FPS	301 FPS
high	210 FPS	242 FPS
ultra	178 FPS	204 FPS
1440p
low	263 FPS	270 FPS
medium	220 FPS	233 FPS
high	169 FPS	175 FPS
ultra	149 FPS	154 FPS
4K
low	183 FPS	184 FPS
medium	152 FPS	157 FPS
high	116 FPS	118 FPS
ultra	103 FPS	106 FPS

Open Ryzen 9 7945HX3D Open Xeon w7-3545

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 7945HX3D	Xeon w7-3545
1080p
low	673 FPS	682 FPS
medium	580 FPS	593 FPS
high	432 FPS	482 FPS
ultra	363 FPS	427 FPS
1440p
low	559 FPS	551 FPS
medium	499 FPS	489 FPS
high	385 FPS	415 FPS
ultra	301 FPS	341 FPS
4K
low	314 FPS	324 FPS
medium	284 FPS	288 FPS
high	250 FPS	267 FPS
ultra	211 FPS	234 FPS

Open Ryzen 9 7945HX3D Open Xeon w7-3545

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 7945HX3D	Xeon w7-3545
1080p
low	1025 FPS	1025 FPS
medium	1077 FPS	1057 FPS
high	1022 FPS	974 FPS
ultra	875 FPS	834 FPS
1440p
low	884 FPS	1001 FPS
medium	805 FPS	888 FPS
high	740 FPS	802 FPS
ultra	647 FPS	656 FPS
4K
low	539 FPS	600 FPS
medium	464 FPS	517 FPS
high	418 FPS	461 FPS
ultra	355 FPS	397 FPS

Open Ryzen 9 7945HX3D Open Xeon w7-3545

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 7945HX3D	Xeon w7-3545
1080p
low	1051 FPS	1212 FPS
medium	951 FPS	1015 FPS
high	833 FPS	925 FPS
ultra	745 FPS	809 FPS
1440p
low	831 FPS	980 FPS
medium	736 FPS	845 FPS
high	645 FPS	736 FPS
ultra	555 FPS	635 FPS
4K
low	607 FPS	727 FPS
medium	544 FPS	632 FPS
high	482 FPS	557 FPS
ultra	416 FPS	437 FPS

Open Ryzen 9 7945HX3D Open Xeon w7-3545

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 7945HX3D and Xeon w7-3545

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 w7-3545

The Xeon w7-3545 is manufactured by Intel. It was released in 24 August 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 24 cores and 48 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 67.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 310 Watt. Memory support: DDR5-4800. Passmark benchmark score: 58,453 points. Launch price was $2,039.

⚡

Processing Power

The Ryzen 9 7945HX3D packs 16 cores / 32 threads, while the Xeon w7-3545 offers 24 cores / 48 threads — the Xeon w7-3545 has 8 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX3D versus 4.8 GHz on the Xeon w7-3545 — a 11.8% 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 w7-3545 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 7945HX3D scores 57,803 against the Xeon w7-3545's 58,453 — a 1.1% lead for the Xeon w7-3545. L3 cache: 128 MB (total) on the Ryzen 9 7945HX3D vs 67.5 MB on the Xeon w7-3545.

Feature	Ryzen 9 7945HX3D	Xeon w7-3545
Cores / Threads	16 / 32	24 / 48+50%
Boost Clock	5.4 GHz+13%	4.8 GHz
Base Clock	2.3 GHz	2.7 GHz+17%
L3 Cache	128 MB (total)+90%	67.5 MB
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	5 nm-29%	Intel 7 nm
Architecture	Dragon Range-HX (Zen 4) (2023−2024)	Sapphire Rapids (2023−2024)
PassMark	57,803	58,453+1%
Geekbench 6 Single	—	2,300
Geekbench 6 Multi	—	16,200

🧠

Memory & Platform

The Ryzen 9 7945HX3D uses the FL1 socket (PCIe 5.0), while the Xeon w7-3545 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7945HX3D versus DDR5-4800 on the Xeon w7-3545 — the Ryzen 9 7945HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w7-3545 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 w7-3545). PCIe lanes: 28 (Ryzen 9 7945HX3D) vs 112 (Xeon w7-3545) — the Xeon w7-3545 offers 84 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 7945HX3D) and Intel W790 (Xeon w7-3545).

Feature	Ryzen 9 7945HX3D	Xeon w7-3545
Socket	FL1	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	5200+103900%	DDR5-4800
Max RAM Capacity	128	4096 GB+3355443100%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	112+300%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. 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 w7-3545). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon w7-3545 requires a dedicated GPU. Direct competitor: Ryzen 9 7945HX3D rivals Core Ultra 9 285HX; Xeon w7-3545 rivals Threadripper PRO 7965WX.

Feature	Ryzen 9 7945HX3D	Xeon w7-3545
Integrated GPU	Yes	No
IGPU Model	AMD Radeon 610M	None
Unlocked	Yes	Yes
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 w7-3545 debuted at $2039. On MSRP ($0 vs $2039), the Ryzen 9 7945HX3D is $2039 cheaper.