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 7 7800X3D

2023

Why buy it

✅Better for gaming: +99.7% higher average FPS across 8 shared CPU benchmark tests.
✅Newer platform on AM5 with DDR5 support instead of FCBGA2518 and DDR4.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Xeon D-2166NT needs a discrete GPU.

Trade-offs

❌Less compelling for workstation-style loads than Xeon D-2166NT, which brings 12 cores / 24 threads.
❌Launch MSRP is still $449 MSRP, while Xeon D-2166NT mostly shows up through inconsistent older-market listings.
❌41.2% higher power demand at 120W vs 85W.

Xeon D-2166NT

2018

Why buy it

✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.
✅Draws 85W instead of 120W, a 35W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 8 shared CPU benchmark tests.
❌Lower PassMark (15,105 vs 34,293).
❌Older platform position on FCBGA2518 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 7 7800X3D

2023

Xeon D-2166NT

2018

Why buy it

✅Better for gaming: +99.7% higher average FPS across 8 shared CPU benchmark tests.
✅Newer platform on AM5 with DDR5 support instead of FCBGA2518 and DDR4.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Xeon D-2166NT needs a discrete GPU.

Why buy it

✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.
✅Draws 85W instead of 120W, a 35W reduction.

Trade-offs

❌Less compelling for workstation-style loads than Xeon D-2166NT, which brings 12 cores / 24 threads.
❌Launch MSRP is still $449 MSRP, while Xeon D-2166NT mostly shows up through inconsistent older-market listings.
❌41.2% higher power demand at 120W vs 85W.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 8 shared CPU benchmark tests.
❌Lower PassMark (15,105 vs 34,293).
❌Older platform position on FCBGA2518 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 7800X3D better than Xeon D-2166NT?

Not in a simple one-size-fits-all way. Xeon D-2166NT makes more sense for workstation-style multi-core throughput, while Ryzen 7 7800X3D 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 7 7800X3D is the better pick here. According to our tests, it delivers 99.7% more average FPS across 8 shared CPU game tests. It also has a big cache advantage at 96 MB vs 17 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 127% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 481.8% larger total L3 cache (96 MB vs 17 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 at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you a 99.7% average FPS lead across 8 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), 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 FCBGA2518, 3D V-Cache and a much larger 96 MB L3 cache instead of 17 MB, more multi-core headroom with 8 cores / 16 threads instead of 12/24, and AVX-512 support for heavier modern compute workloads. 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.

Ryzen 7 7800X3D Benchmark Check

Xeon D-2166NT Benchmark Check

Path of Exile 2

Preset	Ryzen 7 7800X3D	Xeon D-2166NT
1080p
low	266 FPS	171 FPS
medium	247 FPS	135 FPS
high	211 FPS	109 FPS
ultra	186 FPS	87 FPS
1440p
low	258 FPS	138 FPS
medium	215 FPS	108 FPS
high	171 FPS	86 FPS
ultra	154 FPS	68 FPS
4K
low	179 FPS	65 FPS
medium	149 FPS	55 FPS
high	112 FPS	43 FPS
ultra	100 FPS	34 FPS

Open Ryzen 7 7800X3D Open Xeon D-2166NT

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 7800X3D	Xeon D-2166NT
1080p
low	857 FPS	141 FPS
medium	737 FPS	125 FPS
high	580 FPS	113 FPS
ultra	493 FPS	90 FPS
1440p
low	722 FPS	125 FPS
medium	611 FPS	113 FPS
high	500 FPS	102 FPS
ultra	398 FPS	81 FPS
4K
low	396 FPS	91 FPS
medium	339 FPS	85 FPS
high	315 FPS	75 FPS
ultra	273 FPS	58 FPS

Open Ryzen 7 7800X3D Open Xeon D-2166NT

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 7800X3D	Xeon D-2166NT
1080p
low	857 FPS	378 FPS
medium	857 FPS	378 FPS
high	857 FPS	378 FPS
ultra	857 FPS	378 FPS
1440p
low	857 FPS	378 FPS
medium	851 FPS	378 FPS
high	786 FPS	366 FPS
ultra	656 FPS	318 FPS
4K
low	558 FPS	378 FPS
medium	479 FPS	305 FPS
high	427 FPS	258 FPS
ultra	362 FPS	207 FPS

Open Ryzen 7 7800X3D Open Xeon D-2166NT

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 7800X3D	Xeon D-2166NT
1080p
low	857 FPS	378 FPS
medium	857 FPS	378 FPS
high	857 FPS	378 FPS
ultra	782 FPS	378 FPS
1440p
low	857 FPS	378 FPS
medium	760 FPS	378 FPS
high	669 FPS	378 FPS
ultra	576 FPS	378 FPS
4K
low	618 FPS	378 FPS
medium	556 FPS	378 FPS
high	495 FPS	357 FPS
ultra	428 FPS	306 FPS

Open Ryzen 7 7800X3D Open Xeon D-2166NT

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 7800X3D and Xeon D-2166NT

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.

Xeon D-2166NT

The Xeon D-2166NT is manufactured by Intel. It was released in 7 February 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 16.5 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: FCBGA2518. Thermal design power (TDP): 85 Watt. Memory support: DDR4. Passmark benchmark score: 15,105 points. Launch price was $1,005.

⚡

Processing Power

The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Xeon D-2166NT offers 12 cores / 24 threads — the Xeon D-2166NT has 4 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 3 GHz on the Xeon D-2166NT — a 50% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 2 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Xeon D-2166NT uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Xeon D-2166NT's 15,105 — a 77.7% lead for the Ryzen 7 7800X3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 16.5 MB on the Xeon D-2166NT.

Feature	Ryzen 7 7800X3D	Xeon D-2166NT
Cores / Threads	8 / 16	12 / 24+50%
Boost Clock	5 GHz+67%	3 GHz
Base Clock	4.4 GHz+120%	2 GHz
L3 Cache	96 MB (total)+482%	16.5 MB
L2 Cache	1 MB (per core)	12 MB+1100%
Process	5 nm-64%	14 nm
Architecture	Raphael (Zen4) (2022−2023)	Skylake (server) (2017−2018)
PassMark	34,293+127%	15,105
Cinebench R23 Multi	18,500	—
Geekbench 6 Single	2,700	—
Geekbench 6 Multi	15,000	—

🧠

Memory & Platform

The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Xeon D-2166NT uses FCBGA2518 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Ryzen 7 7800X3D	Xeon D-2166NT
Socket	AM5	FCBGA2518
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	DDR5-5200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	28	—

🔧

Advanced Features

Virtualization: AMD-V (Ryzen 7 7800X3D) / not specified (Xeon D-2166NT). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Xeon D-2166NT requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.