A8-3820 vs Atom x7211RE

A8-3820 vs Atom x7211RE Performance Spectrum

A8-3820

4 / 4

2,178

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom x7211RE

2 / 2

2,188

+0.5%

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.

A8-3820 vs Atom x7211RE 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.

A8-3820 vs Atom x7211RE: Pros, Cons & Final Verdict

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

A8-3820

2011

Why buy it

✅150% more PCIe lanes (20 vs 8) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Atom x7211RE.

Trade-offs

❌Lower PassMark (2,178 vs 2,188).
❌Launch MSRP is still $280 MSRP, while Atom x7211RE mostly shows up through inconsistent older-market listings.
❌983.3% higher power demand at 65W vs 6W.
❌Older platform position on FM1, while Atom x7211RE moves to FCBGA1264 and DDR5.

Atom x7211RE

2024

Why buy it

✅Draws 6W instead of 65W, a 59W reduction.
✅Newer platform on FCBGA1264 with DDR5 support instead of FM1 and older memory support.

Trade-offs

❌No boxed cooler included, unlike A8-3820.

Quick Answers

So, is Atom x7211RE better than A8-3820?

Yes. Atom x7211RE is the better all-around CPU here. It gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data, 0.5% 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, Atom x7211RE is the better pick. According to our tests, it delivers 0.4% 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, Atom x7211RE is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 2 threads.

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

Atom x7211RE is still the much better call for a fresh build. Atom x7211RE comes in at an unclear MSRP at unclear MSRP versus $280 MSRP, and it still gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data. A8-3820 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (7.8 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on FM1.

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

Atom x7211RE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2011), a healthier platform with FCBGA1264 and DDR5 instead of FM1, 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.

A8-3820 vs Atom x7211RE Technical Specifications

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

A8-3820

The A8-3820 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,178 points. Launch price was $90.

Atom x7211RE

The Atom x7211RE is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 2 cores and 2 threads. Base frequency is 1 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 6 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 2,188 points. Launch price was $42.

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Processing Power

The A8-3820 packs 4 cores / 4 threads, while the Atom x7211RE offers 2 cores / 2 threads — the A8-3820 has 2 more cores. Boost clocks reach 2.8 GHz on the A8-3820 versus 3.2 GHz on the Atom x7211RE — a 13.3% clock advantage for the Atom x7211RE (base: 2.5 GHz vs 1 GHz). The A8-3820 uses the Llano (2011−2012) architecture (32 nm), while the Atom x7211RE uses Amston Lake (2024−2025) (10 nm). In PassMark, the A8-3820 scores 2,178 against the Atom x7211RE's 2,188 — a 0.5% lead for the Atom x7211RE. L3 cache: 0 kB on the A8-3820 vs 6 MB (total) on the Atom x7211RE.

Feature	A8-3820	Atom x7211RE
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.8 GHz	3.2 GHz+14%
Base Clock	2.5 GHz+150%	1 GHz
L3 Cache	0 kB	6 MB (total)
L2 Cache	1 MB (per core)	2 MB (total)+100%
Process	32 nm	10 nm-69%
Architecture	Llano (2011−2012)	Amston Lake (2024−2025)
PassMark	2,178	2,188
Geekbench 6 Single	354	—

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Memory & Platform

The A8-3820 uses the FM1 socket (PCIe 2.0), while the Atom x7211RE uses FCBGA1264 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the A8-3820 versus LPDDR5-4800 on the Atom x7211RE — the Atom x7211RE supports 157.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Memory channels: 2 (A8-3820) vs 1 (Atom x7211RE). PCIe lanes: 20 (A8-3820) vs 8 (Atom x7211RE) — the A8-3820 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A55,A75 (A8-3820) and Intel BGA1264 (Atom x7211RE).

Feature	A8-3820	Atom x7211RE
Socket	FM1	FCBGA1264
PCIe Generation	PCIe 2.0	PCIe 4.0+100%
Max RAM Speed	DDR3-1866	LPDDR5-4800+157%
Max RAM Capacity	32 GB	32 GB
RAM Channels	2+100%	1
ECC Support	No	Yes
PCIe Lanes	20+150%	8

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Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (A8-3820) vs VT-x, VT-d (Atom x7211RE). Both include integrated graphics — Radeon HD 6550D (A8-3820) and UHD Graphics (16 EU) (Atom x7211RE) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A8-3820 targets Budget Desktop, Atom x7211RE targets Embedded. Direct competitor: A8-3820 rivals Core i3-2120.