Ryzen 9 5900X vs Xeon E5-4620 v2

AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Popular choices:

VS
Intel

Xeon E5-4620 v2

8 Cores16 Thrd95 WWMax: 3 GHz2014

Popular choices:

Performance Spectrum - CPU

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.

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: +78.9% higher average FPS across 50 shared CPU benchmark tests.
  • +220% larger total L3 cache (64 MB vs 20 MB).
  • Delivers 105.6% more PassMark for each dollar spent, at 71.0 vs 34.5 PassMark/$ ($549 MSRP vs $273 MSRP).
  • 100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • 101.1% HIGHER MSRP
    $549 MSRPvs$273 MSRP

Xeon E5-4620 v2

2014

Why buy it

  • Costs $276 less on MSRP ($273 MSRP vs $549 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
  • Lower PassMark (9,424 vs 38,955).
  • Smaller total L3 cache (20 MB vs 64 MB).
  • Lower PassMark per dollar, at 34.5 vs 71.0 PassMark/$ ($273 MSRP vs $549 MSRP).

Quick Answers

So, is Ryzen 9 5900X better than Xeon E5-4620 v2?
Not in a simple one-size-fits-all way. Xeon E5-4620 v2 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 78.9% 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 313.4% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 220% larger total L3 cache (64 MB vs 20 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 101.1% more expensive on MSRP at $549 MSRP versus $273 MSRP, and it gives you a 78.9% average FPS lead across 50 shared CPU game tests in our data. It is also 105.6% better value on MSRP (71.0 vs 34.5 PassMark/$), 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), 220% larger total L3 cache (64 MB vs 20 MB), and more multi-core headroom with 12 cores / 24 threads instead of 8/16. 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.

Path of Exile 2

Path of Exile 2

PresetRyzen 9 5900XXeon E5-4620 v2
1080p
low323 FPS169 FPS
medium291 FPS134 FPS
high243 FPS109 FPS
ultra193 FPS87 FPS
1440p
low307 FPS138 FPS
medium248 FPS108 FPS
high192 FPS86 FPS
ultra157 FPS68 FPS
4K
low193 FPS65 FPS
medium156 FPS55 FPS
high115 FPS43 FPS
ultra103 FPS34 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 9 5900XXeon E5-4620 v2
1080p
low772 FPS236 FPS
medium647 FPS236 FPS
high508 FPS236 FPS
ultra450 FPS199 FPS
1440p
low619 FPS236 FPS
medium536 FPS236 FPS
high443 FPS218 FPS
ultra364 FPS175 FPS
4K
low365 FPS185 FPS
medium318 FPS166 FPS
high289 FPS141 FPS
ultra255 FPS112 FPS
League of Legends

League of Legends

PresetRyzen 9 5900XXeon E5-4620 v2
1080p
low832 FPS236 FPS
medium645 FPS236 FPS
high558 FPS236 FPS
ultra459 FPS236 FPS
1440p
low721 FPS236 FPS
medium565 FPS236 FPS
high488 FPS236 FPS
ultra407 FPS236 FPS
4K
low511 FPS236 FPS
medium421 FPS236 FPS
high374 FPS236 FPS
ultra308 FPS236 FPS
Valorant

Valorant

PresetRyzen 9 5900XXeon E5-4620 v2
1080p
low974 FPS236 FPS
medium974 FPS236 FPS
high934 FPS236 FPS
ultra826 FPS236 FPS
1440p
low959 FPS236 FPS
medium843 FPS236 FPS
high726 FPS236 FPS
ultra617 FPS236 FPS
4K
low694 FPS236 FPS
medium621 FPS236 FPS
high541 FPS236 FPS
ultra437 FPS236 FPS

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Xeon E5-4620 v2

AMD

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.

Intel

Xeon E5-4620 v2

The Xeon E5-4620 v2 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 16 threads. Base frequency is 2.6 GHz, with boost up to 3 GHz. L3 cache: 20 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600. Passmark benchmark score: 9,424 points. Launch price was $800.

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon E5-4620 v2 offers 8 cores / 16 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 3 GHz on the Xeon E5-4620 v2 — a 46.2% clock advantage for the Ryzen 9 5900X (base: 3.7 GHz vs 2.6 GHz). The Ryzen 9 5900X is built on the Vermeer (Zen3) (2020−2022) architecture. In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon E5-4620 v2's 9,424 — a 122.1% lead for the Ryzen 9 5900X. L3 cache: 64 MB on the Ryzen 9 5900X vs 20 MB Intel® Smart Cache on the Xeon E5-4620 v2.

FeatureRyzen 9 5900XXeon E5-4620 v2
Cores / Threads
12 / 24+50%
8 / 16
Boost Clock
4.8 GHz+60%
3 GHz
Base Clock
3.7 GHz+42%
2.6 GHz
L3 Cache
64 MB+220%
20 MB Intel® Smart Cache
L2 Cache
512K (per core)
Process
7 nm, 12 nm-68%
22 nm
Architecture
Vermeer (Zen3) (2020−2022)
PassMark
38,955+313%
9,424
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 E5-4620 v2 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureRyzen 9 5900XXeon E5-4620 v2
Socket
AM4
LGA2011
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 E5-4620 v2). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

FeatureRyzen 9 5900XXeon E5-4620 v2
Integrated GPU
No
Unlocked
Yes
AVX-512
No
Virtualization
AMD-V
Target Use
Workstation
💰

Value Analysis

The Ryzen 9 5900X launched at $549 MSRP, while the Xeon E5-4620 v2 debuted at $273. On MSRP ($549 vs $273), the Xeon E5-4620 v2 is $276 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 34.5 pts/$ for the Xeon E5-4620 v2 — making the Ryzen 9 5900X the 69.1% better value option.

FeatureRyzen 9 5900XXeon E5-4620 v2
MSRP
$549
$273-50%
Performance per Dollar
71.0+106%
34.5
Release Date
2020
2014