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.

EPYC 9684X

2023

Why buy it

✅+213.2% higher PassMark.
✅+1700% larger total L3 cache (1.1 GB vs 64 MB).
✅Better for workstations and heavier parallel workloads: 96 cores / 192 threads, plus 128 PCIe lanes vs 24.
✅Newer platform on SP5 with DDR5 support instead of AM4 and DDR4.
✅433.3% more PCIe lanes (128 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.
❌Lower PassMark per dollar, at 8.3 vs 71.0 PassMark/$ ($14,756 MSRP vs $549 MSRP).
❌281% higher power demand at 400W vs 105W.

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +31.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $14,207 less on MSRP ($549 MSRP vs $14,756 MSRP).
✅Delivers 758.1% more PassMark for each dollar spent, at 71.0 vs 8.3 PassMark/$ ($549 MSRP vs $14,756 MSRP).
✅Draws 105W instead of 400W, a 295W reduction.

Trade-offs

❌Lower PassMark (38,955 vs 122,017).
❌Smaller total L3 cache (64 MB vs 1.1 GB).
❌Less compelling for workstation-style loads than EPYC 9684X, which brings 96 cores / 192 threads and 128 PCIe lanes.
❌Older platform position on AM4 with DDR4, while EPYC 9684X moves to SP5 and DDR5.

EPYC 9684X

2023

Ryzen 9 5900X

2020

Why buy it

✅+213.2% higher PassMark.
✅+1700% larger total L3 cache (1.1 GB vs 64 MB).
✅Better for workstations and heavier parallel workloads: 96 cores / 192 threads, plus 128 PCIe lanes vs 24.
✅Newer platform on SP5 with DDR5 support instead of AM4 and DDR4.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +31.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $14,207 less on MSRP ($549 MSRP vs $14,756 MSRP).
✅Delivers 758.1% more PassMark for each dollar spent, at 71.0 vs 8.3 PassMark/$ ($549 MSRP vs $14,756 MSRP).
✅Draws 105W instead of 400W, a 295W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 8.3 vs 71.0 PassMark/$ ($14,756 MSRP vs $549 MSRP).
❌281% higher power demand at 400W vs 105W.

Trade-offs

❌Lower PassMark (38,955 vs 122,017).
❌Smaller total L3 cache (64 MB vs 1.1 GB).
❌Less compelling for workstation-style loads than EPYC 9684X, which brings 96 cores / 192 threads and 128 PCIe lanes.
❌Older platform position on AM4 with DDR4, while EPYC 9684X moves to SP5 and DDR5.

Quick Answers

So, is Ryzen 9 5900X better than EPYC 9684X?

Not in a simple one-size-fits-all way. EPYC 9684X 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, EPYC 9684X is the better fit. You are getting 213.2% better PassMark, backed by 96 cores and 192 threads. It also carries the larger cache pool with 1700% larger total L3 cache (1.1 GB vs 64 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 $14,207 cheaper on MSRP at $549 MSRP versus $14,756 MSRP, and it gives you a 31.2% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that EPYC 9684X is still stronger for heavier multi-core work with 213.2% better PassMark. It is also 758.1% better value on MSRP (71.0 vs 8.3 PassMark/$), 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?

EPYC 9684X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with SP5 and DDR5 instead of AM4, 1700% larger total L3 cache (1.1 GB vs 64 MB), and more multi-core headroom with 96 cores / 192 threads instead of 12/24. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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.

EPYC 9684X Benchmark Check

Ryzen 9 5900X Benchmark Check

Path of Exile 2

Preset	EPYC 9684X	Ryzen 9 5900X
1080p
low	169 FPS	323 FPS
medium	140 FPS	291 FPS
high	120 FPS	243 FPS
ultra	94 FPS	193 FPS
1440p
low	147 FPS	307 FPS
medium	119 FPS	248 FPS
high	95 FPS	192 FPS
ultra	76 FPS	157 FPS
4K
low	69 FPS	193 FPS
medium	59 FPS	156 FPS
high	46 FPS	115 FPS
ultra	38 FPS	103 FPS

Open EPYC 9684X Open Ryzen 9 5900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9684X	Ryzen 9 5900X
1080p
low	506 FPS	772 FPS
medium	442 FPS	647 FPS
high	353 FPS	508 FPS
ultra	287 FPS	450 FPS
1440p
low	416 FPS	619 FPS
medium	372 FPS	536 FPS
high	306 FPS	443 FPS
ultra	242 FPS	364 FPS
4K
low	256 FPS	365 FPS
medium	233 FPS	318 FPS
high	204 FPS	289 FPS
ultra	170 FPS	255 FPS

Open EPYC 9684X Open Ryzen 9 5900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9684X	Ryzen 9 5900X
1080p
low	668 FPS	832 FPS
medium	558 FPS	645 FPS
high	519 FPS	558 FPS
ultra	452 FPS	459 FPS
1440p
low	509 FPS	721 FPS
medium	423 FPS	565 FPS
high	388 FPS	488 FPS
ultra	335 FPS	407 FPS
4K
low	374 FPS	511 FPS
medium	292 FPS	421 FPS
high	261 FPS	374 FPS
ultra	209 FPS	308 FPS

Open EPYC 9684X Open Ryzen 9 5900X

League of Legends

League of Legends

Valorant

Preset	EPYC 9684X	Ryzen 9 5900X
1080p
low	902 FPS	974 FPS
medium	822 FPS	974 FPS
high	708 FPS	934 FPS
ultra	623 FPS	826 FPS
1440p
low	721 FPS	959 FPS
medium	628 FPS	843 FPS
high	538 FPS	726 FPS
ultra	459 FPS	617 FPS
4K
low	517 FPS	694 FPS
medium	462 FPS	621 FPS
high	405 FPS	541 FPS
ultra	348 FPS	437 FPS

Open EPYC 9684X Open Ryzen 9 5900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9684X and Ryzen 9 5900X

EPYC 9684X

The EPYC 9684X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 96 cores and 192 threads. Base frequency is 2.55 GHz, with boost up to 3.7 GHz. L3 cache: 1152 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 122,017 points. Launch price was $14,756.

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.

⚡

Processing Power

The EPYC 9684X packs 96 cores / 192 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the EPYC 9684X has 84 more cores. Boost clocks reach 3.7 GHz on the EPYC 9684X versus 4.8 GHz on the Ryzen 9 5900X — a 25.9% clock advantage for the Ryzen 9 5900X (base: 2.55 GHz vs 3.7 GHz). The EPYC 9684X uses the Genoa-X (2023) architecture (5 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 9684X scores 122,017 against the Ryzen 9 5900X's 38,955 — a 103.2% lead for the EPYC 9684X. L3 cache: 1152 MB (total) on the EPYC 9684X vs 64 MB on the Ryzen 9 5900X.

Feature	EPYC 9684X	Ryzen 9 5900X
Cores / Threads	96 / 192+700%	12 / 24
Boost Clock	3.7 GHz	4.8 GHz+30%
Base Clock	2.55 GHz	3.7 GHz+45%
L3 Cache	1152 MB (total)+1700%	64 MB
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	5 nm-29%	7 nm, 12 nm
Architecture	Genoa-X (2023)	Vermeer (Zen3) (2020−2022)
PassMark	122,017+213%	38,955
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

🧠

Memory & Platform

The EPYC 9684X uses the SP5 socket (PCIe 5.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the EPYC 9684X versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 9684X supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 12 (EPYC 9684X) vs 2 (Ryzen 9 5900X). PCIe lanes: 128 (EPYC 9684X) vs 24 (Ryzen 9 5900X) — the EPYC 9684X offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9684X) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	EPYC 9684X	Ryzen 9 5900X
Socket	SP5	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800+25%	DDR4-3200
Max RAM Capacity	6 TB+4700%	128 GB
RAM Channels	12+500%	2
ECC Support	Yes	Yes
PCIe Lanes	128+433%	24

🔧

Advanced Features

Virtualization support: AMD-V, SEV-SNP (EPYC 9684X) vs AMD-V (Ryzen 9 5900X). Primary use case: EPYC 9684X targets HPC / Cache Sensitive Workloads, Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 9684X rivals Xeon 6979P; Ryzen 9 5900X rivals Core i9-12900K.

Feature	EPYC 9684X	Ryzen 9 5900X
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	AMD-V, SEV-SNP	AMD-V
Target Use	HPC / Cache Sensitive Workloads	Workstation

💰

Value Analysis

The EPYC 9684X launched at $14756 MSRP, while the Ryzen 9 5900X debuted at $549. On MSRP ($14756 vs $549), the Ryzen 9 5900X is $14207 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9684X delivers 8.3 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 158.3% better value option.