Pentium Gold G5400 vs Ryzen 7 7800X3D

Intel

Pentium Gold G5400

2 Cores4 Thrd54 WWMax: 3.7 GHz2018
Similar parts
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VS
AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023
Ryzen family
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Pentium Gold G5400 vs Ryzen 7 7800X3D 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.

Pentium Gold G5400 vs Ryzen 7 7800X3D 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.

Pentium Gold G5400 vs Ryzen 7 7800X3D: Pros, Cons & Final Verdict

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

Pentium Gold G5400

2018

Why buy it

  • Draws 54W instead of 120W, a 66W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 36 shared CPU benchmark tests.
  • Lower PassMark (3,735 vs 34,293).
  • Older platform position on LGA1151 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Ryzen 7 7800X3D

2023

Why buy it

  • Better for gaming: +295.0% higher average FPS across 36 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 Pentium Gold G5400 mostly shows up through inconsistent older-market listings.
  • 122.2% higher power demand at 120W vs 54W.

Quick Answers

So, is Ryzen 7 7800X3D better than Pentium Gold G5400?
Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 295.0% average FPS lead across 36 shared CPU game tests in our data, 818.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 295.0% more average FPS across 36 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 4 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 818.2% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 2300% larger total L3 cache (96 MB vs 4 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 $449 MSRP versus unclear MSRP, and it still gives you a 295.0% average FPS lead across 36 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), 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 4 MB, and more multi-core headroom with 8 cores / 16 threads instead of 2/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Pentium Gold G5400 vs Ryzen 7 7800X3D Technical Specifications

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

Intel

Pentium Gold G5400

The Pentium Gold G5400 is manufactured by Intel. It was released in 2 April 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.7 GHz, with boost up to 3.7 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,735 points. Launch price was $64.

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.

Processing Power

The Pentium Gold G5400 packs 2 cores / 4 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 6 more cores. Boost clocks reach 3.7 GHz on the Pentium Gold G5400 versus 5 GHz on the Ryzen 7 7800X3D — a 29.9% clock advantage for the Ryzen 7 7800X3D (base: 3.7 GHz vs 4.4 GHz). The Pentium Gold G5400 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Pentium Gold G5400 scores 3,735 against the Ryzen 7 7800X3D's 34,293 — a 160.7% lead for the Ryzen 7 7800X3D. L3 cache: 4 MB (total) on the Pentium Gold G5400 vs 96 MB (total) on the Ryzen 7 7800X3D.

FeaturePentium Gold G5400Ryzen 7 7800X3D
Cores / Threads
2 / 4
8 / 16+300%
Boost Clock
3.7 GHz
5 GHz+35%
Base Clock
3.7 GHz
4.4 GHz+19%
L3 Cache
4 MB (total)
96 MB (total)+2300%
L2 Cache
256K (per core)+25500%
1 MB (per core)
Process
14 nm
5 nm-64%
Architecture
Coffee Lake (2017−2019)
Raphael (Zen4) (2022−2023)
PassMark
3,735
34,293+818%
Cinebench R23 Multi
18,500
Geekbench 6 Single
2,700
Geekbench 6 Multi
15,000
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Memory & Platform

The Pentium Gold G5400 uses the LGA1151 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 DDR4-2400 on the Pentium Gold G5400 versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 116.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 64 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Pentium Gold G5400) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 12 more lanes for additional GPUs or NVMe drives.

FeaturePentium Gold G5400Ryzen 7 7800X3D
Socket
LGA1151
AM5
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2400
DDR5-5200+117%
Max RAM Capacity
64 GB
128 GB+100%
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
16
28+75%
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Advanced Features

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x (Pentium Gold G5400) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics UHD Graphics 610 (Pentium Gold G5400) 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: Pentium Gold G5400 targets Budget, Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeaturePentium Gold G5400Ryzen 7 7800X3D
Integrated GPU
Yes
Yes
IGPU Model
UHD Graphics 610
AMD Radeon Graphics (2-core)
Unlocked
No
Yes
AVX-512
No
Yes
Virtualization
VT-x
AMD-V
Target Use
Budget
Gaming