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: +27.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $6,665 less on MSRP ($549 MSRP vs $7,214 MSRP).
✅Delivers 456.1% more PassMark for each dollar spent, at 71.0 vs 12.8 PassMark/$ ($549 MSRP vs $7,214 MSRP).
✅Draws 105W instead of 270W, a 165W reduction.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Platinum 8368, which brings 38 cores / 76 threads and 64 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Platinum 8368

2021

Why buy it

✅Better for workstations and heavier parallel workloads: 38 cores / 76 threads, plus 64 PCIe lanes vs 24.
✅166.7% more PCIe lanes (64 vs 24) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (20,000 vs 21,000).
❌Lower PassMark per dollar, at 12.8 vs 71.0 PassMark/$ ($7,214 MSRP vs $549 MSRP).
❌157.1% higher power demand at 270W vs 105W.

Ryzen 9 5900X

2020

Xeon Platinum 8368

2021

Why buy it

✅Better for gaming: +27.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $6,665 less on MSRP ($549 MSRP vs $7,214 MSRP).
✅Delivers 456.1% more PassMark for each dollar spent, at 71.0 vs 12.8 PassMark/$ ($549 MSRP vs $7,214 MSRP).
✅Draws 105W instead of 270W, a 165W reduction.

Why buy it

✅Better for workstations and heavier parallel workloads: 38 cores / 76 threads, plus 64 PCIe lanes vs 24.
✅166.7% more PCIe lanes (64 vs 24) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Platinum 8368, which brings 38 cores / 76 threads and 64 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.
❌Lower Cinebench R23 multi-core (20,000 vs 21,000).
❌Lower PassMark per dollar, at 12.8 vs 71.0 PassMark/$ ($7,214 MSRP vs $549 MSRP).
❌157.1% higher power demand at 270W vs 105W.

Quick Answers

So, is Ryzen 9 5900X better than Xeon Platinum 8368?

Not in a simple one-size-fits-all way. Xeon Platinum 8368 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 27.1% 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 5% better Cinebench R23 multi-core, backed by 12 cores and 24 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 $6,665 cheaper on MSRP at $549 MSRP versus $7,214 MSRP, and it gives you a 27.1% average FPS lead across 50 shared CPU game tests in our data. It is also 456.1% better value on MSRP (71.0 vs 12.8 PassMark/$), 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 Platinum 8368 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020) and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term pick.

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 Platinum 8368 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Xeon Platinum 8368
1080p
low	323 FPS	185 FPS
medium	291 FPS	149 FPS
high	243 FPS	120 FPS
ultra	193 FPS	94 FPS
1440p
low	307 FPS	154 FPS
medium	248 FPS	120 FPS
high	192 FPS	93 FPS
ultra	157 FPS	74 FPS
4K
low	193 FPS	72 FPS
medium	156 FPS	60 FPS
high	115 FPS	46 FPS
ultra	103 FPS	38 FPS

Open Ryzen 9 5900X Open Xeon Platinum 8368

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Xeon Platinum 8368
1080p
low	772 FPS	412 FPS
medium	647 FPS	361 FPS
high	508 FPS	294 FPS
ultra	450 FPS	235 FPS
1440p
low	619 FPS	353 FPS
medium	536 FPS	314 FPS
high	443 FPS	264 FPS
ultra	364 FPS	203 FPS
4K
low	365 FPS	219 FPS
medium	318 FPS	198 FPS
high	289 FPS	167 FPS
ultra	255 FPS	135 FPS

Open Ryzen 9 5900X Open Xeon Platinum 8368

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Xeon Platinum 8368
1080p
low	832 FPS	935 FPS
medium	645 FPS	817 FPS
high	558 FPS	766 FPS
ultra	459 FPS	680 FPS
1440p
low	721 FPS	746 FPS
medium	565 FPS	643 FPS
high	488 FPS	603 FPS
ultra	407 FPS	535 FPS
4K
low	511 FPS	479 FPS
medium	421 FPS	378 FPS
high	374 FPS	334 FPS
ultra	308 FPS	272 FPS

Open Ryzen 9 5900X Open Xeon Platinum 8368

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Xeon Platinum 8368
1080p
low	974 FPS	911 FPS
medium	974 FPS	828 FPS
high	934 FPS	714 FPS
ultra	826 FPS	613 FPS
1440p
low	959 FPS	712 FPS
medium	843 FPS	625 FPS
high	726 FPS	537 FPS
ultra	617 FPS	460 FPS
4K
low	694 FPS	514 FPS
medium	621 FPS	459 FPS
high	541 FPS	403 FPS
ultra	437 FPS	351 FPS

Open Ryzen 9 5900X Open Xeon Platinum 8368

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Xeon Platinum 8368

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 Platinum 8368

The Xeon Platinum 8368 is manufactured by Intel. It was released in 2021-04-06. It is based on the Ice Lake-SP (2021) architecture. It features 38 cores and 76 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 57 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 92,054 points. Launch price was $7,214.

⚡

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon Platinum 8368 offers 38 cores / 76 threads — the Xeon Platinum 8368 has 26 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 3.4 GHz on the Xeon Platinum 8368 — a 34.1% 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 Platinum 8368 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon Platinum 8368's 92,054 — a 81.1% lead for the Xeon Platinum 8368. Cinebench R23 multi-core: 21,000 vs 20,000 (4.9% advantage for the Ryzen 9 5900X). Geekbench 6 single-core — the metric most relevant to gaming — records 2,174 vs 1,961, a 10.3% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 11,888 vs 25,000 (71.1% advantage for the Xeon Platinum 8368). L3 cache: 64 MB on the Ryzen 9 5900X vs 57 MB (total) on the Xeon Platinum 8368.

Feature	Ryzen 9 5900X	Xeon Platinum 8368
Cores / Threads	12 / 24	38 / 76+217%
Boost Clock	4.8 GHz+41%	3.4 GHz
Base Clock	3.7 GHz+54%	2.4 GHz
L3 Cache	64 MB+12%	57 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm-30%	10 nm
Architecture	Vermeer (Zen3) (2020−2022)	Ice Lake-SP (2021)
PassMark	38,955	92,054+136%
Cinebench R23 Multi	21,000+5%	20,000
Geekbench 6 Single	2,174+11%	1,961
Geekbench 6 Multi	11,888	25,000+110%

🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Xeon Platinum 8368 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 5900X) vs 8 (Xeon Platinum 8368). PCIe lanes: 24 (Ryzen 9 5900X) vs 64 (Xeon Platinum 8368) — the Xeon Platinum 8368 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and C621A (Xeon Platinum 8368).

Feature	Ryzen 9 5900X	Xeon Platinum 8368
Socket	AM4	LGA4189
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	128 GB	6 TB+4700%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	64+167%

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Platinum 8368 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs VT-x, VT-d (Xeon Platinum 8368). Primary use case: Ryzen 9 5900X targets Workstation, Xeon Platinum 8368 targets Server. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Xeon Platinum 8368 rivals EPYC 7543.

Feature	Ryzen 9 5900X	Xeon Platinum 8368
Integrated GPU	No	No
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	AMD-V	VT-x, VT-d
Target Use	Workstation	Server

💰

Value Analysis

The Ryzen 9 5900X launched at $549 MSRP, while the Xeon Platinum 8368 debuted at $7214. On MSRP ($549 vs $7214), the Ryzen 9 5900X is $6665 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 12.8 pts/$ for the Xeon Platinum 8368 — making the Ryzen 9 5900X the 139% better value option.