Ryzen 7 7800X3D vs Xeon E-2146G

CPU

GPU

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Ryzen family

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Xeon E-2146G

6 Cores12 Thrd80 WWMax: 4.5 GHz2018

Similar parts

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Ryzen 7 7800X3D vs Xeon E-2146G Performance Spectrum

Ryzen 7 7800X3D

8 / 16

34,293

+159.0%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper 7970X

Xeon E-2146G

6 / 12

13,240

0.0%

About PassMark

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.

Ryzen 7 7800X3D vs Xeon E-2146G FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen 7 7800X3D vs Xeon E-2146G: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +63.5% higher average FPS across 37 shared CPU benchmark tests.
✅Newer platform on AM5 with DDR5 support instead of LGA1151 and DDR4.
✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Xeon E-2146G mostly shows up through inconsistent older-market listings.
❌50% higher power demand at 120W vs 80W.
❌No boxed cooler included, unlike Xeon E-2146G.

Xeon E-2146G

2018

Why buy it

✅Draws 80W instead of 120W, a 40W reduction.
✅Includes a boxed cooler (Yes), unlike Ryzen 7 7800X3D.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 37 shared CPU benchmark tests.
❌Lower Geekbench multi-core (6,385 vs 15,000).
❌Older platform position on LGA1151 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Quick Answers

So, is Ryzen 7 7800X3D better than Xeon E-2146G?

Not really, because they are built for different jobs. Xeon E-2146G makes more sense for workstation-style multi-core throughput, while Ryzen 7 7800X3D is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 63.5% more average FPS across 37 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 12 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the stronger fit. You are getting 134.9% better Geekbench multi-core, backed by 8 cores and 16 threads. It also has the larger cache pool with 700% larger total L3 cache (96 MB vs 12 MB).

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

Ryzen 7 7800X3D is the better buy right now. Ryzen 7 7800X3D comes in at an unclear MSRP at $449 MSRP versus unclear MSRP, and it still gives you a 63.5% average FPS lead across 37 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 7 7800X3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with AM5 and DDR5 instead of LGA1151, 3D V-Cache and a much larger 96 MB L3 cache instead of 12 MB, more multi-core headroom with 8 cores / 16 threads instead of 6/12, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 7 7800X3D vs Xeon E-2146G Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 E-2146G

The Xeon E-2146G is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 13,240 points. Launch price was $317.

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Processing Power

The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Xeon E-2146G offers 6 cores / 12 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 4.5 GHz on the Xeon E-2146G — a 10.5% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 3.5 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Xeon E-2146G uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Xeon E-2146G's 13,240 — a 88.6% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 2,700 vs 1,557, a 53.7% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 15,000 vs 6,385 (80.6% advantage for the Ryzen 7 7800X3D). L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 12 MB (total) on the Xeon E-2146G.

Feature	Ryzen 7 7800X3D	Xeon E-2146G
Cores / Threads	8 / 16+33%	6 / 12
Boost Clock	5 GHz+11%	4.5 GHz
Base Clock	4.4 GHz+26%	3.5 GHz
L3 Cache	96 MB (total)+700%	12 MB (total)
L2 Cache	1 MB (per core)+300%	256 kB (per core)
Process	5 nm-64%	14 nm
Architecture	Raphael (Zen4) (2022−2023)	Coffee Lake-S WS (2018−2019)
PassMark	34,293+159%	13,240
Cinebench R23 Multi	18,500	—
Geekbench 6 Single	2,700+73%	1,557
Geekbench 6 Multi	15,000+135%	6,385

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Memory & Platform

The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Xeon E-2146G uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus DDR4-2666 on the Xeon E-2146G — the Ryzen 7 7800X3D supports 95% 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: 28 (Ryzen 7 7800X3D) vs 16 (Xeon E-2146G) — the Ryzen 7 7800X3D offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and C242,C246 (Xeon E-2146G).

Feature	Ryzen 7 7800X3D	Xeon E-2146G
Socket	AM5	LGA1151
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	DDR5-5200+95%	DDR4-2666
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	28+75%	16

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Advanced Features

Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 7 7800X3D) vs Yes (Xeon E-2146G). Both include integrated graphics — AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) and UHD Graphics P630 (Xeon E-2146G) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.