A6-4455M vs Ryzen 7 5800X

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.

A6-4455M vs Ryzen 7 5800X 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.

A6-4455M vs Ryzen 7 5800X: Pros, Cons & Final Verdict

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

A6-4455M

2012

Why buy it

✅Draws 17W instead of 105W, a 88W reduction.
✅Integrated graphics onboard with Radeon HD 7500G, while Ryzen 7 5800X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
❌Lower PassMark (1,689 vs 27,712).

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +485.6% higher average FPS across 50 shared CPU benchmark tests.
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $449 MSRP, while A6-4455M mostly shows up through inconsistent older-market listings.
❌517.6% higher power demand at 105W vs 17W.
❌No integrated graphics, while A6-4455M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 5800X better than A6-4455M?

Yes. Ryzen 7 5800X is the better all-around CPU here. It gives you a 485.6% average FPS lead across 50 shared CPU game tests in our data, 1540.7% 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 5800X is the better pick. According to our tests, it delivers 485.6% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the stronger fit. You are getting 1540.7% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 5800X is the better buy right now. Ryzen 7 5800X comes in at an unclear MSRP at $449 MSRP versus unclear MSRP, and it still gives you a 485.6% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), 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 5800X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2012) and more multi-core headroom with 8 cores / 16 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

A6-4455M vs Ryzen 7 5800X Technical Specifications

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

A6-4455M

The A6-4455M is manufactured by AMD. It was released in 2014-01-01. It is based on the Trinity (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 32 nm process technology. Socket: FP2. Thermal design power (TDP): 17 Watt. Memory support: unknown Dual-channel. Passmark benchmark score: 1,689 points. Launch price was $70.

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

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Processing Power

The A6-4455M packs 2 cores / 2 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 2.6 GHz on the A6-4455M versus 4.7 GHz on the Ryzen 7 5800X — a 57.5% clock advantage for the Ryzen 7 5800X (base: 2.1 GHz vs 3.8 GHz). The A6-4455M uses the Trinity (2012−2013) architecture (32 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the A6-4455M scores 1,689 against the Ryzen 7 5800X's 27,712 — a 177% lead for the Ryzen 7 5800X. L3 cache: 0 kB on the A6-4455M vs 32 MB on the Ryzen 7 5800X.

Feature	A6-4455M	Ryzen 7 5800X
Cores / Threads	2 / 2	8 / 16+300%
Boost Clock	2.6 GHz	4.7 GHz+81%
Base Clock	2.1 GHz	3.8 GHz+81%
L3 Cache	0 kB	32 MB
L2 Cache	2 MB (total)	512K (per core)+25500%
Process	32 nm	7 nm, 12 nm-78%
Architecture	Trinity (2012−2013)	Vermeer (Zen 3) (2020−2022)
PassMark	1,689	27,712+1541%
Geekbench 6 Single	253	—

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Memory & Platform

The A6-4455M uses the FP2 socket (PCIe 2.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the A6-4455M versus DDR4-3200 on the Ryzen 7 5800X — the Ryzen 7 5800X supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 8 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A6-4455M) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives.

Feature	A6-4455M	Ryzen 7 5800X
Socket	FP2	AM4
PCIe Generation	PCIe 2.0	PCIe 4.0+100%
Max RAM Speed	DDR3-1333	DDR4-3200+140%
Max RAM Capacity	8 GB	128 GB+1500%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

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Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. The A6-4455M includes integrated graphics (Radeon HD 7500G), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: A6-4455M targets Thin and Light Laptop, Ryzen 7 5800X targets Desktop. Direct competitor: A6-4455M rivals Pentium 987.