Ryzen 7 7800X3D vs Xeon Gold 6143

AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023
Ryzen family
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VS
Intel

Xeon Gold 6143

16 Cores32 Thrd205 WWMax: 4 GHz2017
Similar parts
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Ryzen 7 7800X3D vs Xeon Gold 6143 Performance Spectrum

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 Gold 6143 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 Gold 6143: 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: +42.6% higher average FPS across 41 shared CPU benchmark tests.
  • Draws 120W instead of 205W, a 85W reduction.
  • Newer platform on AM5 with DDR5 support instead of LGA3647 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 Gold 6143 needs a discrete GPU.

Trade-offs

  • Less compelling for workstation-style loads than Xeon Gold 6143, which brings 16 cores / 32 threads.
  • 31.3% HIGHER MSRP
    $449 MSRPvs$342 MSRP

Xeon Gold 6143

2017

Why buy it

  • Better for workstations and heavier parallel workloads: 16 cores / 32 threads.
  • Costs $107 less on MSRP ($342 MSRP vs $449 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 41 shared CPU benchmark tests.
  • Lower PassMark (24,786 vs 34,293).
  • 70.8% higher power demand at 205W vs 120W.
  • Older platform position on LGA3647 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 Gold 6143?
Not really, because they are built for different jobs. Xeon Gold 6143 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 42.6% more average FPS across 41 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 22 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 38.4% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 336.4% larger total L3 cache (96 MB vs 22 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 31.3% more expensive on MSRP at $449 MSRP versus $342 MSRP, and it still gives you a 42.6% average FPS lead across 41 shared CPU game tests in our data. It is also 5.4% better value on MSRP (76.4 vs 72.5 PassMark/$), 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 2017), a healthier platform with AM5 and DDR5 instead of LGA3647, 3D V-Cache and a much larger 96 MB L3 cache instead of 22 MB, more multi-core headroom with 8 cores / 16 threads instead of 16/32, 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 Gold 6143 Technical Specifications

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

AMD

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.

Intel

Xeon Gold 6143

The Xeon Gold 6143 is manufactured by Intel. It was released in 2015-01-01. It features 16 cores and 32 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 22 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,786 points. Launch price was $800.

Processing Power

The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Xeon Gold 6143 offers 16 cores / 32 threads — the Xeon Gold 6143 has 8 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 4 GHz on the Xeon Gold 6143 — a 22.2% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 2.8 GHz). The Ryzen 7 7800X3D is built on the Raphael (Zen4) (2022−2023) architecture. In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Xeon Gold 6143's 24,786 — a 32.2% lead for the Ryzen 7 7800X3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 22 MB on the Xeon Gold 6143.

FeatureRyzen 7 7800X3DXeon Gold 6143
Cores / Threads
8 / 16
16 / 32+100%
Boost Clock
5 GHz+25%
4 GHz
Base Clock
4.4 GHz+57%
2.8 GHz
L3 Cache
96 MB (total)+336%
22 MB
L2 Cache
1 MB (per core)
Process
5 nm-64%
14 nm
Architecture
Raphael (Zen4) (2022−2023)
PassMark
34,293+38%
24,786
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 Gold 6143 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureRyzen 7 7800X3DXeon Gold 6143
Socket
AM5
LGA3647
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 Gold 6143). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Xeon Gold 6143 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeatureRyzen 7 7800X3DXeon Gold 6143
Integrated GPU
Yes
IGPU Model
AMD Radeon Graphics (2-core)
Unlocked
Yes
AVX-512
Yes
Virtualization
AMD-V
Target Use
Gaming
💰

Value Analysis

At launch, the Ryzen 7 7800X3D was priced at $449, while the Xeon Gold 6143 came in at $342. On launch pricing ($449 vs $342), Xeon Gold 6143 was $107 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 7 7800X3D delivers 76.4 pts/$ vs 72.5 pts/$ for the Xeon Gold 6143 — making the Ryzen 7 7800X3D the 5.2% better value option.

FeatureRyzen 7 7800X3DXeon Gold 6143
MSRP
$449
$342-24%
Performance per Dollar
76.4+5%
72.5
Release Date
2023
2017

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