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.

Core i9-9900X

2018

Why buy it

✅57.1% more PCIe lanes (44 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (13,985 vs 18,500).
❌Lower PassMark per dollar, at 21.9 vs 76.4 PassMark/$ ($989 MSRP vs $449 MSRP).
❌37.5% higher power demand at 165W vs 120W.
❌Older platform position on LGA2066 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +40.3% higher average FPS across 7 shared CPU benchmark tests.
✅Costs $540 less on MSRP ($449 MSRP vs $989 MSRP).
✅Delivers 248.8% more PassMark for each dollar spent, at 76.4 vs 21.9 PassMark/$ ($449 MSRP vs $989 MSRP).
✅Draws 120W instead of 165W, a 45W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i9-9900X

2018

Ryzen 7 7800X3D

2023

Why buy it

✅57.1% more PCIe lanes (44 vs 28) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +40.3% higher average FPS across 7 shared CPU benchmark tests.
✅Costs $540 less on MSRP ($449 MSRP vs $989 MSRP).
✅Delivers 248.8% more PassMark for each dollar spent, at 76.4 vs 21.9 PassMark/$ ($449 MSRP vs $989 MSRP).
✅Draws 120W instead of 165W, a 45W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (13,985 vs 18,500).
❌Lower PassMark per dollar, at 21.9 vs 76.4 PassMark/$ ($989 MSRP vs $449 MSRP).
❌37.5% higher power demand at 165W vs 120W.
❌Older platform position on LGA2066 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 7 7800X3D better than Core i9-9900X?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 40.3% average FPS lead across 7 shared CPU game tests in our data, 32.3% better Cinebench R23 multi-core, 58.4% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick here. According to our tests, it delivers 40.3% more average FPS across 7 shared CPU game tests. It also has a big cache advantage at 96 MB vs 19 MB.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 32.3% better Cinebench R23 multi-core, backed by 8 cores and 16 threads. It also carries the larger cache pool with 398.7% larger total L3 cache (96 MB vs 19 MB).

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

Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is $540 cheaper on MSRP at $449 MSRP versus $989 MSRP, and it gives you a 40.3% average FPS lead across 7 shared CPU game tests in our data. It is also 248.8% better value on MSRP (76.4 vs 21.9 PassMark/$), 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 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with AM5 and DDR5 instead of LGA2066, 3D V-Cache and a much larger 96 MB L3 cache instead of 19 MB, and more multi-core headroom with 8 cores / 16 threads instead of 10/20. 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.

Core i9-9900X Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	Core i9-9900X	Ryzen 7 7800X3D
1080p
low	178 FPS	266 FPS
medium	143 FPS	247 FPS
high	116 FPS	211 FPS
ultra	96 FPS	186 FPS
1440p
low	148 FPS	258 FPS
medium	117 FPS	215 FPS
high	95 FPS	171 FPS
ultra	78 FPS	154 FPS
4K
low	81 FPS	179 FPS
medium	69 FPS	149 FPS
high	55 FPS	112 FPS
ultra	43 FPS	100 FPS

Open Core i9-9900X Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-9900X	Ryzen 7 7800X3D
1080p
low	516 FPS	857 FPS
medium	431 FPS	737 FPS
high	360 FPS	580 FPS
ultra	323 FPS	493 FPS
1440p
low	447 FPS	722 FPS
medium	384 FPS	611 FPS
high	323 FPS	500 FPS
ultra	279 FPS	398 FPS
4K
low	278 FPS	396 FPS
medium	239 FPS	339 FPS
high	220 FPS	315 FPS
ultra	192 FPS	273 FPS

Open Core i9-9900X Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-9900X	Ryzen 7 7800X3D
1080p
low	541 FPS	857 FPS
medium	541 FPS	857 FPS
high	541 FPS	857 FPS
ultra	527 FPS	857 FPS
1440p
low	541 FPS	857 FPS
medium	518 FPS	851 FPS
high	469 FPS	786 FPS
ultra	407 FPS	656 FPS
4K
low	458 FPS	558 FPS
medium	363 FPS	479 FPS
high	328 FPS	427 FPS
ultra	262 FPS	362 FPS

Open Core i9-9900X Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Core i9-9900X	Ryzen 7 7800X3D
1080p
low	541 FPS	857 FPS
medium	541 FPS	857 FPS
high	541 FPS	857 FPS
ultra	541 FPS	782 FPS
1440p
low	541 FPS	857 FPS
medium	541 FPS	760 FPS
high	541 FPS	669 FPS
ultra	541 FPS	576 FPS
4K
low	541 FPS	618 FPS
medium	541 FPS	556 FPS
high	506 FPS	495 FPS
ultra	437 FPS	428 FPS

Open Core i9-9900X Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-9900X and Ryzen 7 7800X3D

Core i9-9900X

The Core i9-9900X is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.5 GHz, with boost up to 4.5 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 21,655 points. Launch price was $989.

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

⚡

Processing Power

The Core i9-9900X packs 10 cores / 20 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Core i9-9900X has 2 more cores. Boost clocks reach 4.5 GHz on the Core i9-9900X versus 5 GHz on the Ryzen 7 7800X3D — a 10.5% clock advantage for the Ryzen 7 7800X3D (base: 3.5 GHz vs 4.4 GHz). The Core i9-9900X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i9-9900X scores 21,655 against the Ryzen 7 7800X3D's 34,293 — a 45.2% lead for the Ryzen 7 7800X3D. Cinebench R23 multi-core: 13,985 vs 18,500 (27.8% advantage for the Ryzen 7 7800X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 1,459 vs 2,700, a 59.7% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 9,475 vs 15,000 (45.1% advantage for the Ryzen 7 7800X3D). L3 cache: 19.25 MB (total) on the Core i9-9900X vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core i9-9900X	Ryzen 7 7800X3D
Cores / Threads	10 / 20+25%	8 / 16
Boost Clock	4.5 GHz	5 GHz+11%
Base Clock	3.5 GHz	4.4 GHz+26%
L3 Cache	19.25 MB (total)	96 MB (total)+399%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	14 nm	5 nm-64%
Architecture	Skylake (server) (2017−2018)	Raphael (Zen4) (2022−2023)
PassMark	21,655	34,293+58%
Cinebench R23 Multi	13,985	18,500+32%
Geekbench 6 Single	1,459	2,700+85%
Geekbench 6 Multi	9,475	15,000+58%

🧠

Memory & Platform

The Core i9-9900X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i9-9900X versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 4 (Core i9-9900X) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 44 (Core i9-9900X) vs 28 (Ryzen 7 7800X3D) — the Core i9-9900X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-9900X) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Core i9-9900X	Ryzen 7 7800X3D
Socket	LGA2066	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-5200+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	4+100%	2
ECC Support	No	Yes
PCIe Lanes	44+57%	28

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-9900X) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core i9-9900X requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Core i9-9900X	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon Graphics (2-core)
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	Gaming

💰

Value Analysis

The Core i9-9900X launched at $989 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($989 vs $449), the Ryzen 7 7800X3D is $540 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-9900X delivers 21.9 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 110.9% better value option.