A8-6600K vs Athlon Silver 7120U

A8-6600K vs Athlon Silver 7120U Performance Spectrum

A8-6600K

4 / 4

3,002

0.0%

Ryzen Threadripper 1920

Ryzen AI Max 390

Ryzen 9 9955HX3D

Ryzen Threadripper 3990X

Athlon Silver 7120U

2 / 2

3,012

+0.3%

Ryzen Threadripper 1950

Ryzen AI Max 390

Ryzen 9 9955HX3D

Ryzen Threadripper 3990X

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.

A8-6600K vs Athlon Silver 7120U 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.

A8-6600K vs Athlon Silver 7120U: Pros, Cons & Final Verdict

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

A8-6600K

2013

Why buy it

✅Better for gaming: +8.7% higher average FPS across 50 shared CPU benchmark tests.
✅300% more PCIe lanes (16 vs 4) for storage and expansion-heavy builds.
✅Includes a boxed cooler (true), unlike Athlon Silver 7120U.

Trade-offs

❌Lower PassMark (3,002 vs 3,012).
❌566.7% higher power demand at 100W vs 15W.
❌Older platform position on FM2, while Athlon Silver 7120U moves to FT6 and DDR5.

Athlon Silver 7120U

2022

Why buy it

✅+0.3% higher PassMark.
✅Draws 15W instead of 100W, a 85W reduction.
✅Newer platform on FT6 with DDR5 support instead of FM2 and older memory support.

Trade-offs

❌Worse for gaming: lower average FPS than A8-6600K across 50 shared CPU benchmark tests.
❌No boxed cooler included, unlike A8-6600K.

Quick Answers

So, is Athlon Silver 7120U better than A8-6600K?

It depends on what you want from the system. For gaming, A8-6600K is ahead with a 8.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon Silver 7120U pulls ahead with 0.3% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon Silver 7120U is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.

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

Athlon Silver 7120U still makes the most sense overall. Athlon Silver 7120U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.3% better PassMark.

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

Athlon Silver 7120U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2013), a healthier platform with FT6 and DDR5 instead of FM2, and more multi-core headroom with 2 cores / 2 threads instead of 4/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

A8-6600K vs Athlon Silver 7120U Technical Specifications

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

A8-6600K

The A8-6600K is manufactured by AMD. It was released in 1 June 2013 (12 years ago). It is based on the Richland (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 3.9 GHz, with boost up to 4.2 GHz. L3 cache: 0 kB. L2 cache: 4096 kB. Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 100 Watt. Memory support: DDR3-1866. Passmark benchmark score: 3,002 points. Launch price was $142.

Athlon Silver 7120U

The Athlon Silver 7120U is manufactured by AMD. It was released in 2009-01-01. It is based on the Mendocino (Zen 2) (2022−2023) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 3.5 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 6 nm process technology. Socket: FT6. Thermal design power (TDP): 15 Watt. Memory support: DDR5 Dual-channel. Passmark benchmark score: 3,012 points. Launch price was $149.

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Processing Power

The A8-6600K packs 4 cores / 4 threads, while the Athlon Silver 7120U offers 2 cores / 2 threads — the A8-6600K has 2 more cores. Boost clocks reach 4.2 GHz on the A8-6600K versus 3.5 GHz on the Athlon Silver 7120U — a 18.2% clock advantage for the A8-6600K (base: 3.9 GHz vs 2.4 GHz). The A8-6600K uses the Richland (2013−2014) architecture (32 nm), while the Athlon Silver 7120U uses Mendocino (Zen 2) (2022−2023) (6 nm). In PassMark, the A8-6600K scores 3,002 against the Athlon Silver 7120U's 3,012 — a 0.3% lead for the Athlon Silver 7120U. L3 cache: 0 kB on the A8-6600K vs 2 MB (total) on the Athlon Silver 7120U.

Feature	A8-6600K	Athlon Silver 7120U
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	4.2 GHz+20%	3.5 GHz
Base Clock	3.9 GHz+63%	2.4 GHz
L3 Cache	0 kB	2 MB (total)
L2 Cache	4096 kB+700%	512 kB (per core)
Process	32 nm	6 nm-81%
Architecture	Richland (2013−2014)	Mendocino (Zen 2) (2022−2023)
PassMark	3,002	3,012

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Memory & Platform

The A8-6600K uses the FM2 socket (PCIe 3.0), while the Athlon Silver 7120U uses FT6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1866 on the A8-6600K versus LPDDR5-5500 on the Athlon Silver 7120U — the Athlon Silver 7120U supports 194.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A8-6600K supports up to 64 GB of RAM compared to 16 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A8-6600K) vs 4 (Athlon Silver 7120U) — the A8-6600K offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FM2 (A8-6600K) and AMD FT6 (Athlon Silver 7120U).

Feature	A8-6600K	Athlon Silver 7120U
Socket	FM2	FT6
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	1866	LPDDR5-5500+195%
Max RAM Capacity	64 GB+300%	16 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16+300%	4

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Advanced Features

Virtualization: true (A8-6600K) / not specified (Athlon Silver 7120U). Both include integrated graphics — Radeon HD 8570D (A8-6600K) and AMD Radeon 610M (Athlon Silver 7120U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: A8-6600K rivals Core i3-4130.