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: +33.5% higher average FPS across 50 shared CPU benchmark tests.
✅+79% larger total L3 cache (64 MB vs 36 MB).
✅Costs $1,895 less on MSRP ($549 MSRP vs $2,444 MSRP).
✅Delivers 419.9% more PassMark for each dollar spent, at 71.0 vs 13.6 PassMark/$ ($549 MSRP vs $2,444 MSRP).
✅Draws 105W instead of 165W, a 60W reduction.

Trade-offs

❌Lower Cinebench R23 multi-core (21,000 vs 22,500).
❌Less compelling for workstation-style loads than Xeon Gold 6240R, which brings 24 cores / 48 threads and 48 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Gold 6240R

2020

Why buy it

✅+7.1% higher Cinebench R23 multi-core.
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 48 PCIe lanes vs 24.
✅100% more PCIe lanes (48 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Lower PassMark per dollar, at 13.6 vs 71.0 PassMark/$ ($2,444 MSRP vs $549 MSRP).
❌57.1% higher power demand at 165W vs 105W.

Ryzen 9 5900X

2020

Xeon Gold 6240R

2020

Why buy it

✅Better for gaming: +33.5% higher average FPS across 50 shared CPU benchmark tests.
✅+79% larger total L3 cache (64 MB vs 36 MB).
✅Costs $1,895 less on MSRP ($549 MSRP vs $2,444 MSRP).
✅Delivers 419.9% more PassMark for each dollar spent, at 71.0 vs 13.6 PassMark/$ ($549 MSRP vs $2,444 MSRP).
✅Draws 105W instead of 165W, a 60W reduction.

Why buy it

✅+7.1% higher Cinebench R23 multi-core.
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 48 PCIe lanes vs 24.
✅100% more PCIe lanes (48 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower Cinebench R23 multi-core (21,000 vs 22,500).
❌Less compelling for workstation-style loads than Xeon Gold 6240R, which brings 24 cores / 48 threads and 48 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Lower PassMark per dollar, at 13.6 vs 71.0 PassMark/$ ($2,444 MSRP vs $549 MSRP).
❌57.1% higher power demand at 165W vs 105W.

Quick Answers

So, is Ryzen 9 5900X better than Xeon Gold 6240R?

Not in a simple one-size-fits-all way. Xeon Gold 6240R 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 streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon Gold 6240R is the better fit. You are getting 7.1% 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 5900X is the smarter buy today. Ryzen 9 5900X is $1,895 cheaper on MSRP at $549 MSRP versus $2,444 MSRP, and it gives you a 33.5% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon Gold 6240R is still stronger for heavier multi-core work with 7.1% better Cinebench R23 multi-core. It is also 419.9% better value on MSRP (71.0 vs 13.6 PassMark/$), 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?

Xeon Gold 6240R is the more future-proof choice for 2026 and beyond. You are getting more multi-core headroom with 24 cores / 48 threads instead of 12/24 and AVX-512 support for heavier modern compute workloads. 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 Gold 6240R Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Xeon Gold 6240R
1080p
low	323 FPS	197 FPS
medium	291 FPS	159 FPS
high	243 FPS	129 FPS
ultra	193 FPS	100 FPS
1440p
low	307 FPS	157 FPS
medium	248 FPS	123 FPS
high	192 FPS	96 FPS
ultra	157 FPS	76 FPS
4K
low	193 FPS	72 FPS
medium	156 FPS	60 FPS
high	115 FPS	47 FPS
ultra	103 FPS	38 FPS

Open Ryzen 9 5900X Open Xeon Gold 6240R

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Xeon Gold 6240R
1080p
low	772 FPS	443 FPS
medium	647 FPS	386 FPS
high	508 FPS	314 FPS
ultra	450 FPS	260 FPS
1440p
low	619 FPS	383 FPS
medium	536 FPS	336 FPS
high	443 FPS	277 FPS
ultra	364 FPS	221 FPS
4K
low	365 FPS	240 FPS
medium	318 FPS	213 FPS
high	289 FPS	188 FPS
ultra	255 FPS	154 FPS

Open Ryzen 9 5900X Open Xeon Gold 6240R

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Xeon Gold 6240R
1080p
low	832 FPS	781 FPS
medium	645 FPS	634 FPS
high	558 FPS	570 FPS
ultra	459 FPS	501 FPS
1440p
low	721 FPS	606 FPS
medium	565 FPS	499 FPS
high	488 FPS	449 FPS
ultra	407 FPS	391 FPS
4K
low	511 FPS	441 FPS
medium	421 FPS	350 FPS
high	374 FPS	308 FPS
ultra	308 FPS	249 FPS

Open Ryzen 9 5900X Open Xeon Gold 6240R

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Xeon Gold 6240R
1080p
low	974 FPS	834 FPS
medium	974 FPS	834 FPS
high	934 FPS	738 FPS
ultra	826 FPS	644 FPS
1440p
low	959 FPS	744 FPS
medium	843 FPS	654 FPS
high	726 FPS	562 FPS
ultra	617 FPS	488 FPS
4K
low	694 FPS	541 FPS
medium	621 FPS	483 FPS
high	541 FPS	424 FPS
ultra	437 FPS	364 FPS

Open Ryzen 9 5900X Open Xeon Gold 6240R

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Xeon Gold 6240R

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 Gold 6240R

The Xeon Gold 6240R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 4 GHz. L3 cache: 35.75 MB. L2 cache: 24 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 33,353 points. Launch price was $2,200.

⚡

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon Gold 6240R offers 24 cores / 48 threads — the Xeon Gold 6240R has 12 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 4 GHz on the Xeon Gold 6240R — a 18.2% 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 Gold 6240R uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon Gold 6240R's 33,353 — a 15.5% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 21,000 vs 22,500 (6.9% advantage for the Xeon Gold 6240R). Geekbench 6 single-core — the metric most relevant to gaming — records 2,174 vs 1,212, a 56.8% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 11,888 vs 17,218 (36.6% advantage for the Xeon Gold 6240R). L3 cache: 64 MB on the Ryzen 9 5900X vs 35.75 MB on the Xeon Gold 6240R.

Feature	Ryzen 9 5900X	Xeon Gold 6240R
Cores / Threads	12 / 24	24 / 48+100%
Boost Clock	4.8 GHz+20%	4 GHz
Base Clock	3.7 GHz+54%	2.4 GHz
L3 Cache	64 MB+79%	35.75 MB
L2 Cache	512K (per core)	24 MB+4700%
Process	7 nm, 12 nm-50%	14 nm
Architecture	Vermeer (Zen3) (2020−2022)	Cascade Lake (2019−2020)
PassMark	38,955+17%	33,353
Cinebench R23 Multi	21,000	22,500+7%
Geekbench 6 Single	2,174+79%	1,212
Geekbench 6 Multi	11,888	17,218+45%

🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Xeon Gold 6240R uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Xeon Gold 6240R supports up to 1024 GB of RAM compared to 128 GB — 155.6% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 5900X) vs 6 (Xeon Gold 6240R). PCIe lanes: 24 (Ryzen 9 5900X) vs 48 (Xeon Gold 6240R) — the Xeon Gold 6240R offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and C621,Lewisburg (Xeon Gold 6240R).

Feature	Ryzen 9 5900X	Xeon Gold 6240R
Socket	AM4	LGA3647
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200	DDR4-2933
Max RAM Capacity	128 GB	1024 GB+700%
RAM Channels	2	6+200%
ECC Support	Yes	Yes
PCIe Lanes	24	48+100%

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6240R supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs VT-x, VT-d, EPT (Xeon Gold 6240R). Primary use case: Ryzen 9 5900X targets Workstation, Xeon Gold 6240R targets Server / High-load computing. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Xeon Gold 6240R rivals EPYC 7402.

Feature	Ryzen 9 5900X	Xeon Gold 6240R
Integrated GPU	No	No
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	AMD-V	VT-x, VT-d, EPT
Target Use	Workstation	Server / High-load computing

💰

Value Analysis

The Ryzen 9 5900X launched at $549 MSRP, while the Xeon Gold 6240R debuted at $2444. On MSRP ($549 vs $2444), the Ryzen 9 5900X is $1895 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 13.6 pts/$ for the Xeon Gold 6240R — making the Ryzen 9 5900X the 135.5% better value option.