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 i9-10900K

2020

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 4 shared CPU benchmark tests.
❌Lower PassMark (22,382 vs 34,293).
❌Lower PassMark per dollar, at 44.9 vs 76.4 PassMark/$ ($499 MSRP vs $449 MSRP).
❌Older platform position on LGA1200 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +50.9% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $50 less on MSRP ($449 MSRP vs $499 MSRP).
✅Delivers 70.3% more PassMark for each dollar spent, at 76.4 vs 44.9 PassMark/$ ($449 MSRP vs $499 MSRP).
✅Draws 120W instead of 125W, a 5W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

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

Core i9-10900K

2020

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +50.9% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $50 less on MSRP ($449 MSRP vs $499 MSRP).
✅Delivers 70.3% more PassMark for each dollar spent, at 76.4 vs 44.9 PassMark/$ ($449 MSRP vs $499 MSRP).
✅Draws 120W instead of 125W, a 5W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 4 shared CPU benchmark tests.
❌Lower PassMark (22,382 vs 34,293).
❌Lower PassMark per dollar, at 44.9 vs 76.4 PassMark/$ ($499 MSRP vs $449 MSRP).
❌Older platform position on LGA1200 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 i9-10900K?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 50.9% average FPS lead across 4 shared CPU game tests in our data, 53.2% better 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 50.9% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 96 MB vs 20 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 53.2% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 380% larger total L3 cache (96 MB vs 20 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 $50 cheaper on MSRP at $449 MSRP versus $499 MSRP, and it gives you a 50.9% average FPS lead across 4 shared CPU game tests in our data. It is also 70.3% better value on MSRP (76.4 vs 44.9 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i9-10900K can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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 2020), a healthier platform with AM5 and DDR5 instead of LGA1200, 3D V-Cache and a much larger 96 MB L3 cache instead of 20 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 i9-10900K Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	Core i9-10900K	Ryzen 7 7800X3D
1080p
low	263 FPS	266 FPS
medium	242 FPS	247 FPS
high	202 FPS	211 FPS
ultra	174 FPS	186 FPS
1440p
low	227 FPS	258 FPS
medium	189 FPS	215 FPS
high	154 FPS	171 FPS
ultra	136 FPS	154 FPS
4K
low	157 FPS	179 FPS
medium	131 FPS	149 FPS
high	102 FPS	112 FPS
ultra	89 FPS	100 FPS

Open Core i9-10900K Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-10900K	Ryzen 7 7800X3D
1080p
low	560 FPS	857 FPS
medium	487 FPS	735 FPS
high	411 FPS	579 FPS
ultra	375 FPS	491 FPS
1440p
low	497 FPS	715 FPS
medium	436 FPS	607 FPS
high	369 FPS	497 FPS
ultra	321 FPS	396 FPS
4K
low	291 FPS	393 FPS
medium	259 FPS	337 FPS
high	247 FPS	314 FPS
ultra	215 FPS	271 FPS

Open Core i9-10900K Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-10900K	Ryzen 7 7800X3D
1080p
low	560 FPS	857 FPS
medium	560 FPS	857 FPS
high	517 FPS	857 FPS
ultra	426 FPS	857 FPS
1440p
low	560 FPS	857 FPS
medium	546 FPS	851 FPS
high	464 FPS	786 FPS
ultra	387 FPS	656 FPS
4K
low	473 FPS	558 FPS
medium	407 FPS	479 FPS
high	363 FPS	427 FPS
ultra	299 FPS	362 FPS

Open Core i9-10900K Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Core i9-10900K	Ryzen 7 7800X3D
1080p
low	560 FPS	857 FPS
medium	560 FPS	857 FPS
high	560 FPS	857 FPS
ultra	560 FPS	782 FPS
1440p
low	560 FPS	857 FPS
medium	560 FPS	760 FPS
high	560 FPS	669 FPS
ultra	540 FPS	576 FPS
4K
low	539 FPS	618 FPS
medium	490 FPS	556 FPS
high	438 FPS	495 FPS
ultra	383 FPS	428 FPS

Open Core i9-10900K Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-10900K and Ryzen 7 7800X3D

Core i9-10900K

The Core i9-10900K is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 5.2 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 22,382 points. Launch price was $488.

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 i9-10900K packs 10 cores / 20 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Core i9-10900K has 2 more cores. Boost clocks reach 5.2 GHz on the Core i9-10900K versus 5 GHz on the Ryzen 7 7800X3D — a 3.9% clock advantage for the Core i9-10900K (base: 3.7 GHz vs 4.4 GHz). The Core i9-10900K uses the Comet Lake (2020−2025) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i9-10900K scores 22,382 against the Ryzen 7 7800X3D's 34,293 — a 42% lead for the Ryzen 7 7800X3D. L3 cache: 20 MB (total) on the Core i9-10900K vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core i9-10900K	Ryzen 7 7800X3D
Cores / Threads	10 / 20+25%	8 / 16
Boost Clock	5.2 GHz+4%	5 GHz
Base Clock	3.7 GHz	4.4 GHz+19%
L3 Cache	20 MB (total)	96 MB (total)+380%
L2 Cache	256 kB (per core)	1 MB (per core)+300%
Process	14 nm	5 nm-64%
Architecture	Comet Lake (2020−2025)	Raphael (Zen4) (2022−2023)
PassMark	22,382	34,293+53%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The Core i9-10900K uses the LGA1200 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 DDR4-2933 on the Core i9-10900K 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. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i9-10900K) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 400 series (Core i9-10900K) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Core i9-10900K	Ryzen 7 7800X3D
Socket	LGA1200	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2933	DDR5-5200+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	28+75%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-10900K) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — UHD Graphics 630 (Core i9-10900K) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i9-10900K targets Desktop, Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Core i9-10900K	Ryzen 7 7800X3D
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	AMD Radeon Graphics (2-core)
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	Desktop	Gaming

💰

Value Analysis

The Core i9-10900K launched at $499 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($499 vs $449), the Ryzen 7 7800X3D is $50 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-10900K delivers 44.9 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 52% better value option.