Ryzen 9 5900X vs Xeon X5670

Ryzen 9 5900X vs Xeon X5670 Performance Spectrum

Ryzen 9 5900X

12 / 24

38,955

+532.4%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Xeon X5670

6 / 12

6,160

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 5900X vs Xeon X5670 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 5900X vs Xeon X5670: 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 5900X

2020

Why buy it

✅Better for gaming: +142.3% higher average FPS across 50 shared CPU benchmark tests.
✅+433.3% larger total L3 cache (64 MB vs 12 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 71.0 vs 91.9 PassMark/$ ($549 MSRP vs $67 MSRP).

Xeon X5670

2010

Why buy it

✅Costs $482 less on MSRP ($67 MSRP vs $549 MSRP).
✅Delivers 29.6% more PassMark for each dollar spent, at 91.9 vs 71.0 PassMark/$ ($67 MSRP vs $549 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (6,160 vs 38,955).
❌Smaller total L3 cache (12 MB vs 64 MB).

Quick Answers

So, is Ryzen 9 5900X better than Xeon X5670?

Not really, because they are built for different jobs. Xeon X5670 makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 142.3% 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 5900X is the stronger fit. You are getting 532.4% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 433.3% larger total L3 cache (64 MB vs 12 MB).

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

Ryzen 9 5900X is still the faster CPU overall, but Xeon X5670 is easier to justify if budget matters more than peak performance. Ryzen 9 5900X comes in 719.4% more expensive on MSRP at $549 MSRP versus $67 MSRP, and it still gives you a 142.3% average FPS lead across 50 shared CPU game tests in our data. Xeon X5670 is also 29.6% better value on MSRP (91.9 vs 71.0 PassMark/$), 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 5900X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2010), 433.3% larger total L3 cache (64 MB vs 12 MB), and more multi-core headroom with 12 cores / 24 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen 9 5900X vs Xeon X5670 Technical Specifications

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

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

Xeon X5670

The Xeon X5670 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.93 GHz, with boost up to 3.33 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 6,160 points. Launch price was $67.

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Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon X5670 offers 6 cores / 12 threads — the Ryzen 9 5900X has 6 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 3.33 GHz on the Xeon X5670 — a 36.2% clock advantage for the Ryzen 9 5900X (base: 3.7 GHz vs 2.93 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Xeon X5670 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon X5670's 6,160 — a 145.4% lead for the Ryzen 9 5900X. L3 cache: 64 MB on the Ryzen 9 5900X vs 12 MB (total) on the Xeon X5670.

Feature	Ryzen 9 5900X	Xeon X5670
Cores / Threads	12 / 24+100%	6 / 12
Boost Clock	4.8 GHz+44%	3.33 GHz
Base Clock	3.7 GHz+26%	2.93 GHz
L3 Cache	64 MB+433%	12 MB (total)
L2 Cache	512K (per core)+100%	256 kB (per core)
Process	7 nm, 12 nm-78%	32 nm
Architecture	Vermeer (Zen3) (2020−2022)	Westmere-EP (2010−2011)
PassMark	38,955+532%	6,160
Cinebench R23 Multi	21,000	—
Geekbench 6 Single	2,174	—
Geekbench 6 Multi	11,888	—

🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Xeon X5670 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus DDR3-1333 on the Xeon X5670 — the Ryzen 9 5900X supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Ryzen 9 5900X) vs 3 (Xeon X5670). Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and Intel X58,Intel 5520 (Xeon X5670).

Feature	Ryzen 9 5900X	Xeon X5670
Socket	AM4	LGA1366
PCIe Generation	PCIe 4.0+100%	PCIe 2.0
Max RAM Speed	DDR4-3200+140%	DDR3-1333
Max RAM Capacity	128 GB	—
RAM Channels	2	3+50%
ECC Support	Yes	Yes
PCIe Lanes	24	—

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (Ryzen 9 5900X) vs VT-x, VT-d, EPT (Xeon X5670). Primary use case: Ryzen 9 5900X targets Workstation, Xeon X5670 targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Xeon X5670 rivals Core i7-980X.

Feature	Ryzen 9 5900X	Xeon X5670
Integrated GPU	No	No
Unlocked	Yes	No
AVX-512	No	No
Virtualization	AMD-V	VT-x, VT-d, EPT
Target Use	Workstation	Workstation

💰

Value Analysis

At launch, the Ryzen 9 5900X was priced at $549, while the Xeon X5670 came in at $67. On launch pricing ($549 vs $67), Xeon X5670 was $482 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 91.9 pts/$ for the Xeon X5670 — making the Xeon X5670 the 25.8% better value option.

Feature	Ryzen 9 5900X	Xeon X5670
MSRP	$549	$67-88%
Performance per Dollar	71.0	91.9+29%
Release Date	2020	2010

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