FX-6120 vs Ryzen 7 7800X3D

AMD

FX-6120

6 Cores6 Thrd95 WWMax: 4.2 GHz2012

Popular choices:

Ryzen 7 7800X3D
VS
AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Popular choices:

Performance Spectrum - CPU

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.

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.

FX-6120

2012

Why buy it

  • Costs $261 less on MSRP ($188 MSRP vs $449 MSRP).
  • Draws 95W instead of 120W, a 25W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 3 shared CPU benchmark tests.
  • Lower PassMark (3,853 vs 34,293).
  • Lower PassMark per dollar, at 20.5 vs 76.4 PassMark/$ ($188 MSRP vs $449 MSRP).
  • Older platform position on AM3+, 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

Why buy it

  • Better for gaming: +433.3% higher average FPS across 3 shared CPU benchmark tests.
  • Delivers 272.7% more PassMark for each dollar spent, at 76.4 vs 20.5 PassMark/$ ($449 MSRP vs $188 MSRP).
  • Newer platform on AM5 with DDR5 support instead of AM3+ and older memory support.
  • 100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with AMD Radeon Graphics (2-core), while FX-6120 needs a discrete GPU.

Trade-offs

  • 138.8% HIGHER MSRP
    $449 MSRPvs$188 MSRP
  • 26.3% higher power demand at 120W vs 95W.

Quick Answers

So, is Ryzen 7 7800X3D better than FX-6120?
Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 433.3% average FPS lead across 3 shared CPU game tests in our data, 790% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
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 433.3% more average FPS across 3 shared CPU game tests. It also has a big cache advantage at 96 MB vs 8 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 790% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 1100% larger total L3 cache (96 MB vs 8 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 138.8% more expensive on MSRP at $449 MSRP versus $188 MSRP, and it gives you a 433.3% average FPS lead across 3 shared CPU game tests in our data. It is also 272.7% better value on MSRP (76.4 vs 20.5 PassMark/$), 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 2012), a healthier platform with AM5 and DDR5 instead of AM3+, 3D V-Cache and a much larger 96 MB L3 cache instead of 8 MB, and more multi-core headroom with 8 cores / 16 threads instead of 6/6. 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.

Path of Exile 2

Path of Exile 2

PresetFX-6120Ryzen 7 7800X3D
1080p
low96 FPS266 FPS
medium96 FPS247 FPS
high96 FPS211 FPS
ultra96 FPS186 FPS
1440p
low96 FPS258 FPS
medium96 FPS215 FPS
high94 FPS171 FPS
ultra78 FPS154 FPS
4K
low65 FPS179 FPS
medium57 FPS149 FPS
high45 FPS112 FPS
ultra36 FPS100 FPS
Counter-Strike 2

Counter-Strike 2

PresetFX-6120Ryzen 7 7800X3D
1080p
low96 FPS857 FPS
medium96 FPS737 FPS
high96 FPS580 FPS
ultra96 FPS493 FPS
1440p
low96 FPS722 FPS
medium96 FPS611 FPS
high96 FPS500 FPS
ultra96 FPS398 FPS
4K
low96 FPS396 FPS
medium96 FPS339 FPS
high96 FPS315 FPS
ultra96 FPS273 FPS
League of Legends

League of Legends

PresetFX-6120Ryzen 7 7800X3D
1080p
low96 FPS857 FPS
medium96 FPS857 FPS
high96 FPS857 FPS
ultra96 FPS857 FPS
1440p
low96 FPS857 FPS
medium96 FPS851 FPS
high96 FPS786 FPS
ultra96 FPS656 FPS
4K
low96 FPS558 FPS
medium96 FPS479 FPS
high96 FPS427 FPS
ultra96 FPS362 FPS
Valorant

Valorant

PresetFX-6120Ryzen 7 7800X3D
1080p
low96 FPS857 FPS
medium96 FPS857 FPS
high96 FPS857 FPS
ultra96 FPS782 FPS
1440p
low96 FPS857 FPS
medium96 FPS760 FPS
high96 FPS669 FPS
ultra96 FPS576 FPS
4K
low96 FPS618 FPS
medium96 FPS556 FPS
high96 FPS495 FPS
ultra96 FPS428 FPS

Technical Specifications

Side-by-side comparison of FX-6120 and Ryzen 7 7800X3D

AMD

FX-6120

The FX-6120 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Zambezi (2011−2012) architecture. It features 6 cores and 6 threads. Base frequency is 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 6 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,853 points. Launch price was $69.

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 FX-6120 packs 6 cores / 6 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 4.2 GHz on the FX-6120 versus 5 GHz on the Ryzen 7 7800X3D — a 17.4% clock advantage for the Ryzen 7 7800X3D (base: 3.6 GHz vs 4.4 GHz). The FX-6120 uses the Zambezi (2011−2012) architecture (32 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the FX-6120 scores 3,853 against the Ryzen 7 7800X3D's 34,293 — a 159.6% lead for the Ryzen 7 7800X3D. L3 cache: 8 MB (total) on the FX-6120 vs 96 MB (total) on the Ryzen 7 7800X3D.

FeatureFX-6120Ryzen 7 7800X3D
Cores / Threads
6 / 6
8 / 16+33%
Boost Clock
4.2 GHz
5 GHz+19%
Base Clock
3.6 GHz
4.4 GHz+22%
L3 Cache
8 MB (total)
96 MB (total)+1100%
L2 Cache
6 MB+500%
1 MB (per core)
Process
32 nm
5 nm-84%
Architecture
Zambezi (2011−2012)
Raphael (Zen4) (2022−2023)
PassMark
3,853
34,293+790%
Cinebench R23 Multi
18,500
Geekbench 6 Single
2,700
Geekbench 6 Multi
15,000
🧠

Memory & Platform

The FX-6120 uses the AM3+ socket (PCIe 2.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureFX-6120Ryzen 7 7800X3D
Socket
AM3+
AM5
PCIe Generation
PCIe 2.0
PCIe 5.0+150%
Max RAM Speed
DDR5-5200
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
Yes
PCIe Lanes
28
🔧

Advanced Features

Virtualization: not specified (FX-6120) / AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the FX-6120 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeatureFX-6120Ryzen 7 7800X3D
Integrated GPU
Yes
IGPU Model
AMD Radeon Graphics (2-core)
Unlocked
Yes
AVX-512
Yes
Virtualization
AMD-V
Target Use
Gaming
💰

Value Analysis

The FX-6120 launched at $188 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($188 vs $449), the FX-6120 is $261 cheaper. In terms of value on MSRP (PassMark points per dollar), the FX-6120 delivers 20.5 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 115.4% better value option.

FeatureFX-6120Ryzen 7 7800X3D
MSRP
$188-58%
$449
Performance per Dollar
20.5
76.4+273%
Release Date
2012
2023