A4-9120C vs Ryzen 7 7800X3D

AMD

A4-9120C

2 Cores2 Thrd6 WWMax: 1.6 GHz2019
Similar parts
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VS
AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023
Ryzen family
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A4-9120C 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.

A4-9120C 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.

A4-9120C 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.

A4-9120C

2019

Why buy it

  • Draws 6W instead of 120W, a 114W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 37 shared CPU benchmark tests.
  • Lower PassMark (1,258 vs 34,293).
  • Older platform position on BGA with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Ryzen 7 7800X3D

2023

Why buy it

  • Better for gaming: +788.5% higher average FPS across 37 shared CPU benchmark tests.
  • Newer platform on AM5 with DDR5 support instead of BGA and DDR4.
  • 250% more PCIe lanes (28 vs 8) for storage and expansion-heavy builds.

Trade-offs

  • Launch MSRP is still $449 MSRP, while A4-9120C mostly shows up through inconsistent older-market listings.
  • 1900% higher power demand at 120W vs 6W.

Quick Answers

So, is Ryzen 7 7800X3D better than A4-9120C?
Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 788.5% average FPS lead across 37 shared CPU game tests in our data, 2626% 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 788.5% more average FPS across 37 shared CPU game tests. It also has a clear cache advantage at 96 MB versus null.
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 2626% better PassMark, backed by 8 cores and 16 threads.
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 $449 MSRP versus unclear MSRP, and it still gives you a 788.5% average FPS lead across 37 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), 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 2019), a healthier platform with AM5 and DDR5 instead of BGA, 3D V-Cache and a much larger 96 MB L3 cache instead of null, and more multi-core headroom with 8 cores / 16 threads instead of 2/2. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

A4-9120C vs Ryzen 7 7800X3D Technical Specifications

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

AMD

A4-9120C

The A4-9120C is manufactured by AMD. It was released in 2014-01-01. It is based on the Stoney Ridge (2016−2019) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L2 cache: 1 MB. Built on 28 nm process technology. Socket: BGA. Thermal design power (TDP): 1 MB. Memory support: DDR4. Passmark benchmark score: 1,258 points. Launch price was $50.

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 A4-9120C packs 2 cores / 2 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 6 more cores. Boost clocks reach 1.6 GHz on the A4-9120C versus 5 GHz on the Ryzen 7 7800X3D — a 103% clock advantage for the Ryzen 7 7800X3D. The A4-9120C uses the Stoney Ridge (2016−2019) architecture (28 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the A4-9120C scores 1,258 against the Ryzen 7 7800X3D's 34,293 — a 185.8% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 418 vs 2,700, a 146.4% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates.

FeatureA4-9120CRyzen 7 7800X3D
Cores / Threads
2 / 2
8 / 16+300%
Boost Clock
1.6 GHz
5 GHz+213%
Base Clock
4.4 GHz
L3 Cache
96 MB (total)
L2 Cache
1 MB
1 MB (per core)
Process
28 nm
5 nm-82%
Architecture
Stoney Ridge (2016−2019)
Raphael (Zen4) (2022−2023)
PassMark
1,258
34,293+2626%
Cinebench R23 Multi
18,500
Geekbench 6 Single
418
2,700+546%
Geekbench 6 Multi
15,000
🧠

Memory & Platform

The A4-9120C uses the BGA 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 DDR4-1866 on the A4-9120C versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 178.7% 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 8 GB 1500% more capacity for professional workloads. Memory channels: 1 (A4-9120C) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 8 (A4-9120C) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 20 more lanes for additional GPUs or NVMe drives.

FeatureA4-9120CRyzen 7 7800X3D
Socket
BGA
AM5
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-1866
DDR5-5200+179%
Max RAM Capacity
8 GB
128 GB+1500%
RAM Channels
1
2+100%
ECC Support
No
Yes
PCIe Lanes
8
28+250%
🔧

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. Both support AMD-V virtualization. Both include integrated graphics Radeon R4 (A4-9120C) 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: A4-9120C targets Chromebook, Ryzen 7 7800X3D targets Gaming. Direct competitor: A4-9120C rivals Celeron N3350; Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeatureA4-9120CRyzen 7 7800X3D
Integrated GPU
Yes
Yes
IGPU Model
Radeon R4
AMD Radeon Graphics (2-core)
Unlocked
No
Yes
AVX-512
No
Yes
Virtualization
AMD-V
AMD-V
Target Use
Chromebook
Gaming