Ryzen 9 PRO 5945 vs Xeon Platinum 8260M

Ryzen 9 PRO 5945 vs Xeon Platinum 8260M Performance Spectrum

Ryzen 9 PRO 5945

12 / 24

34,549

+1.7%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper 7970X

Xeon Platinum 8260M

24 / 48

33,970

0.0%

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 PRO 5945 vs Xeon Platinum 8260M 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 PRO 5945 vs Xeon Platinum 8260M: 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 PRO 5945

2022

Why buy it

✅Better for gaming: +11.7% higher average FPS across 50 shared CPU benchmark tests.
✅+79% larger total L3 cache (64 MB vs 36 MB).
✅Draws 65W instead of 165W, a 100W reduction.

Trade-offs

❌Lower Cinebench R23 multi-core (23,200 vs 30,500).
❌Less compelling for workstation-style loads than Xeon Platinum 8260M, which brings 24 cores / 48 threads and 48 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Platinum 8260M

2019

Why buy it

✅+31.5% higher Cinebench R23 multi-core.
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 48 PCIe lanes vs 20.
✅140% more PCIe lanes (48 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 5945 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Launch MSRP is still $7,705 MSRP, while Ryzen 9 PRO 5945 mostly shows up through inconsistent older-market listings.
❌153.8% higher power demand at 165W vs 65W.

Quick Answers

So, is Ryzen 9 PRO 5945 better than Xeon Platinum 8260M?

Not really, because they are built for different jobs. Xeon Platinum 8260M makes more sense for workstation-style multi-core throughput, while Ryzen 9 PRO 5945 is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon Platinum 8260M is the stronger fit. You are getting 31.5% better Cinebench R23 multi-core, backed by 24 cores and 48 threads.

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

Ryzen 9 PRO 5945 is still the faster CPU overall, but Xeon Platinum 8260M is easier to justify if budget matters more than peak performance. Ryzen 9 PRO 5945 comes in at an unclear MSRP at unclear MSRP versus $7,705 MSRP, and it still gives you a 11.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Platinum 8260M is still stronger for heavier multi-core work with 31.5% better Cinebench R23 multi-core. Xeon Platinum 8260M is also 100.0% better value on MSRP (4.4 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 9 PRO 5945 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019) and 79% larger total L3 cache (64 MB vs 36 MB). That makes it the safer long-term bet.

Ryzen 9 PRO 5945 vs Xeon Platinum 8260M Technical Specifications

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

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.

Xeon Platinum 8260M

The Xeon Platinum 8260M is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 3.9 GHz. L3 cache: 35.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 33,970 points. Launch price was $7,705.

⚡

Processing Power

The Ryzen 9 PRO 5945 packs 12 cores / 24 threads, while the Xeon Platinum 8260M offers 24 cores / 48 threads — the Xeon Platinum 8260M has 12 more cores. Boost clocks reach 4.7 GHz on the Ryzen 9 PRO 5945 versus 3.9 GHz on the Xeon Platinum 8260M — a 18.6% clock advantage for the Ryzen 9 PRO 5945 (base: 3 GHz vs 2.4 GHz). The Ryzen 9 PRO 5945 uses the Vermeer (2020−2025) architecture (7 nm), while the Xeon Platinum 8260M uses Cascade Lake-SP (2018) (14 nm). In PassMark, the Ryzen 9 PRO 5945 scores 34,549 against the Xeon Platinum 8260M's 33,970 — a 1.7% lead for the Ryzen 9 PRO 5945. Cinebench R23 multi-core: 23,200 vs 30,500 (27.2% advantage for the Xeon Platinum 8260M). Geekbench 6 single-core — the metric most relevant to gaming — records 2,175 vs 1,200, a 57.8% lead for the Ryzen 9 PRO 5945 that directly translates to higher frame rates. Multi-core Geekbench: 12,500 vs 10,491 (17.5% advantage for the Ryzen 9 PRO 5945). L3 cache: 64 MB on the Ryzen 9 PRO 5945 vs 35.75 MB (total) on the Xeon Platinum 8260M.

Feature	Ryzen 9 PRO 5945	Xeon Platinum 8260M
Cores / Threads	12 / 24	24 / 48+100%
Boost Clock	4.7 GHz+21%	3.9 GHz
Base Clock	3 GHz+25%	2.4 GHz
L3 Cache	64 MB+79%	35.75 MB (total)
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	7 nm-50%	14 nm
Architecture	Vermeer (2020−2025)	Cascade Lake-SP (2018)
PassMark	34,549+2%	33,970
Cinebench R23 Multi	23,200	30,500+31%
Geekbench 6 Single	2,175+81%	1,200
Geekbench 6 Multi	12,500+19%	10,491

🧠

Memory & Platform

The Ryzen 9 PRO 5945 uses the AM4 socket (PCIe 4.0), while the Xeon Platinum 8260M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 PRO 5945 versus DDR4-2933 on the Xeon Platinum 8260M — the Ryzen 9 PRO 5945 supports 9.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8260M supports up to 2048 GB of RAM compared to 128 GB — 1500% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 PRO 5945) vs 6 (Xeon Platinum 8260M). PCIe lanes: 20 (Ryzen 9 PRO 5945) vs 48 (Xeon Platinum 8260M) — the Xeon Platinum 8260M offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,A520,X470,B450 (Ryzen 9 PRO 5945) and C621,C622,C624,C627,C628 (Xeon Platinum 8260M).

Feature	Ryzen 9 PRO 5945	Xeon Platinum 8260M
Socket	AM4	LGA3647
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200+9%	DDR4-2933
Max RAM Capacity	128 GB	2048 GB+1500%
RAM Channels	2	6+200%
ECC Support	Yes	Yes
PCIe Lanes	20	48+140%

🔧

Advanced Features

Neither processor supports overclocking. Only the Xeon Platinum 8260M supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (SVM) (Ryzen 9 PRO 5945) vs VT-x, VT-d, EPT (Xeon Platinum 8260M). Primary use case: Ryzen 9 PRO 5945 targets High-end Gaming, Xeon Platinum 8260M targets Server (Memory Optimized). Direct competitor: Ryzen 9 PRO 5945 rivals Core i9-12900; Xeon Platinum 8260M rivals Xeon Platinum 8268.