Ryzen 9 7945HX3D vs Xeon w7-3545

Ryzen 9 7945HX3D vs Xeon w7-3545 Performance Spectrum

Ryzen 9 7945HX3D

16 / 32

57,803

0.0%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Xeon w7-3545

24 / 48

58,453

+1.1%

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 9 7945HX3D vs Xeon w7-3545 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 9 7945HX3D vs Xeon w7-3545: Pros, Cons & Final Verdict

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

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

❌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 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.

Quick Answers

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

Not really, because they are built for different jobs. Xeon w7-3545 makes more sense for workstation-style multi-core throughput, while Ryzen 9 7945HX3D is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon w7-3545 is the better pick. According to our tests, it delivers 2.0% 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, Xeon w7-3545 is the stronger 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 better buy right now. Xeon w7-3545 comes in at an unclear MSRP at $2,039 MSRP versus unclear MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (28.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon w7-3545 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 24 cores / 48 threads instead of 16/32. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen 9 7945HX3D vs Xeon w7-3545 Technical Specifications

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

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 8.3% 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 GB — 3100% 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+8%	DDR5-4800
Max RAM Capacity	128 GB	4096 GB+3100%
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

At launch, the Ryzen 9 7945HX3D was priced at $0, while the Xeon w7-3545 came in at $2039. On launch pricing ($0 vs $2039), Ryzen 9 7945HX3D was $2039 cheaper.

Feature	Ryzen 9 7945HX3D	Xeon w7-3545
MSRP	$0-100%	$2039
Performance per Dollar	—	28.7
Release Date	2023	2023

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