Atom x7433RE vs FX-8100

Atom x7433RE vs FX-8100 Performance Spectrum

Atom x7433RE

4 / 4

4,049

0.0%

Pentium 4417U

Core i5-5300U

Pentium Gold G5400T

Pentium Dual Core T3200

4,095

+1.1%

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.

Atom x7433RE vs FX-8100 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.

Atom x7433RE vs FX-8100: Pros, Cons & Final Verdict

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

Atom x7433RE

2024

Why buy it

✅Draws 9W instead of 95W, a 86W reduction.
✅Newer platform on FCBGA1264 with DDR5 support instead of AM3+ and older memory support.
✅100+% more PCIe lanes (9 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics (32EU), while FX-8100 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than FX-8100 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,049 vs 4,095).
❌Smaller total L3 cache (6 MB vs 8 MB).

FX-8100

2011

Why buy it

✅Better for gaming: +17.5% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).

Trade-offs

❌Launch MSRP is still $300 MSRP, while Atom x7433RE mostly shows up through inconsistent older-market listings.
❌955.6% higher power demand at 95W vs 9W.
❌Older platform position on AM3+, while Atom x7433RE moves to FCBGA1264 and DDR5.
❌No integrated graphics, while Atom x7433RE can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is FX-8100 better than Atom x7433RE?

Yes. FX-8100 is the better all-around CPU here. It gives you a 17.5% average FPS lead across 50 shared CPU game tests in our data and 1.1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, FX-8100 is the better pick. According to our tests, it delivers 17.5% 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, FX-8100 is the stronger fit. You are getting 1.1% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

FX-8100 is the better buy right now. FX-8100 comes in at an unclear MSRP at $300 MSRP versus unclear MSRP, and it still gives you a 17.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Atom x7433RE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2011) and a healthier platform with FCBGA1264 and DDR5 instead of AM3+. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7433RE vs FX-8100 Technical Specifications

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

Atom x7433RE

The Atom x7433RE 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 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 9 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 4,049 points. Launch price was $63.

FX-8100

The FX-8100 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 8 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,095 points. Launch price was $69.

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Processing Power

The Atom x7433RE packs 4 cores / 4 threads, while the FX-8100 offers 8 cores / 8 threads — the FX-8100 has 4 more cores. Boost clocks reach 3.4 GHz on the Atom x7433RE versus 3.7 GHz on the FX-8100 — a 8.5% clock advantage for the FX-8100 (base: 1.5 GHz vs 2.8 GHz). The Atom x7433RE uses the Amston Lake (2024−2025) architecture (10 nm), while the FX-8100 uses Zambezi (2011−2012) (32 nm). In PassMark, the Atom x7433RE scores 4,049 against the FX-8100's 4,095 — a 1.1% lead for the FX-8100. L3 cache: 6 MB (total) on the Atom x7433RE vs 8 MB (total) on the FX-8100.

Feature	Atom x7433RE	FX-8100
Cores / Threads	4 / 4	8 / 8+100%
Boost Clock	3.4 GHz	3.7 GHz+9%
Base Clock	1.5 GHz	2.8 GHz+87%
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	2 MB (total)	8 MB+300%
Process	10 nm-69%	32 nm
Architecture	Amston Lake (2024−2025)	Zambezi (2011−2012)
PassMark	4,049	4,095+1%
Geekbench 6 Single	—	455
Geekbench 6 Multi	—	1,621

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Memory & Platform

The Atom x7433RE uses the FCBGA1264 socket (PCIe 4.0), while the FX-8100 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Atom x7433RE versus DDR3-1866 on the FX-8100 — the Atom x7433RE supports 157.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Memory channels: 1 (Atom x7433RE) vs 2 (FX-8100). PCIe lanes: 9 (Atom x7433RE) vs 0 (FX-8100) — the Atom x7433RE offers 9 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel BGA1264 (Atom x7433RE) and AMD 990FX,AMD 970 (FX-8100).

Feature	Atom x7433RE	FX-8100
Socket	FCBGA1264	AM3+
PCIe Generation	PCIe 4.0+100%	PCIe 2.0
Max RAM Speed	DDR5-4800+157%	DDR3-1866
Max RAM Capacity	16 GB	16 GB
RAM Channels	1	2+100%
ECC Support	Yes	No
PCIe Lanes	9	0

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Advanced Features

Virtualization: not specified (Atom x7433RE) / AMD-V (FX-8100). The Atom x7433RE includes integrated graphics (Intel UHD Graphics (32EU)), while the FX-8100 requires a dedicated GPU.