Ryzen 9 5900X vs Xeon E5-2673 V3

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 5900X

2020

Why buy it

✅Better for gaming: +59.7% higher average FPS across 50 shared CPU benchmark tests.
✅+113.3% larger total L3 cache (64 MB vs 30 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $549 MSRP, while Xeon E5-2673 V3 mostly shows up through inconsistent older-market listings.

Xeon E5-2673 V3

2014

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (13,899 vs 38,955).
❌Smaller total L3 cache (30 MB vs 64 MB).

Ryzen 9 5900X

2020

Xeon E5-2673 V3

2014

Why buy it

✅Better for gaming: +59.7% higher average FPS across 50 shared CPU benchmark tests.
✅+113.3% larger total L3 cache (64 MB vs 30 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Why buy it

Trade-offs

❌Launch MSRP is still $549 MSRP, while Xeon E5-2673 V3 mostly shows up through inconsistent older-market listings.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (13,899 vs 38,955).
❌Smaller total L3 cache (30 MB vs 64 MB).

Quick Answers

So, is Ryzen 9 5900X better than Xeon E5-2673 V3?

Not in a simple one-size-fits-all way. Xeon E5-2673 V3 makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X 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 5900X is the better pick here. According to our tests, it delivers 59.7% 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 better fit. You are getting 180.3% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 113.3% larger total L3 cache (64 MB vs 30 MB).

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

Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is at an unclear MSRP at $549 MSRP versus unclear MSRP, and it gives you a 59.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (71.0 vs 0.0 PassMark/$), 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?

Ryzen 9 5900X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2014), 113.3% larger total L3 cache (64 MB vs 30 MB), and more multi-core headroom with 12 cores / 24 threads instead of 12/24. 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 5900X Benchmark Check

Xeon E5-2673 V3 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Xeon E5-2673 V3
1080p
low	323 FPS	160 FPS
medium	291 FPS	138 FPS
high	243 FPS	112 FPS
ultra	193 FPS	92 FPS
1440p
low	307 FPS	134 FPS
medium	248 FPS	113 FPS
high	192 FPS	89 FPS
ultra	157 FPS	72 FPS
4K
low	193 FPS	62 FPS
medium	156 FPS	56 FPS
high	115 FPS	44 FPS
ultra	103 FPS	35 FPS

Open Ryzen 9 5900X Open Xeon E5-2673 V3

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Xeon E5-2673 V3
1080p
low	772 FPS	331 FPS
medium	647 FPS	299 FPS
high	508 FPS	258 FPS
ultra	450 FPS	213 FPS
1440p
low	619 FPS	286 FPS
medium	536 FPS	262 FPS
high	443 FPS	227 FPS
ultra	364 FPS	185 FPS
4K
low	365 FPS	185 FPS
medium	318 FPS	169 FPS
high	289 FPS	147 FPS
ultra	255 FPS	116 FPS

Open Ryzen 9 5900X Open Xeon E5-2673 V3

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Xeon E5-2673 V3
1080p
low	832 FPS	347 FPS
medium	645 FPS	347 FPS
high	558 FPS	347 FPS
ultra	459 FPS	347 FPS
1440p
low	721 FPS	347 FPS
medium	565 FPS	347 FPS
high	488 FPS	347 FPS
ultra	407 FPS	330 FPS
4K
low	511 FPS	347 FPS
medium	421 FPS	316 FPS
high	374 FPS	281 FPS
ultra	308 FPS	232 FPS

Open Ryzen 9 5900X Open Xeon E5-2673 V3

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Xeon E5-2673 V3
1080p
low	974 FPS	347 FPS
medium	974 FPS	347 FPS
high	934 FPS	347 FPS
ultra	826 FPS	347 FPS
1440p
low	959 FPS	347 FPS
medium	843 FPS	347 FPS
high	726 FPS	347 FPS
ultra	617 FPS	347 FPS
4K
low	694 FPS	347 FPS
medium	621 FPS	347 FPS
high	541 FPS	347 FPS
ultra	437 FPS	327 FPS

Open Ryzen 9 5900X Open Xeon E5-2673 V3

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Xeon E5-2673 V3

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 E5-2673 V3

The Xeon E5-2673 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 3.1 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 13,899 points. Launch price was $800.

⚡

Processing Power

Both the Ryzen 9 5900X and Xeon E5-2673 V3 share an identical 12-core/24-thread configuration. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 3.1 GHz on the Xeon E5-2673 V3 — a 43% clock advantage for the Ryzen 9 5900X (base: 3.7 GHz vs 2.4 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Xeon E5-2673 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon E5-2673 V3's 13,899 — a 94.8% lead for the Ryzen 9 5900X. L3 cache: 64 MB on the Ryzen 9 5900X vs 30 MB (total) on the Xeon E5-2673 V3.

Feature	Ryzen 9 5900X	Xeon E5-2673 V3
Cores / Threads	12 / 24	12 / 24
Boost Clock	4.8 GHz+55%	3.1 GHz
Base Clock	3.7 GHz+54%	2.4 GHz
L3 Cache	64 MB+113%	30 MB (total)
L2 Cache	512K (per core)+100%	256K (per core)
Process	7 nm, 12 nm-68%	22 nm
Architecture	Vermeer (Zen3) (2020−2022)	Haswell-EP (2014−2015)
PassMark	38,955+180%	13,899
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 E5-2673 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Ryzen 9 5900X	Xeon E5-2673 V3
Socket	AM4	LGA2011-3
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	24	—

🔧

Advanced Features

Virtualization: AMD-V (Ryzen 9 5900X) / not specified (Xeon E5-2673 V3). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.