Athlon PRO 300U vs Atom x7433RE

Athlon PRO 300U vs Atom x7433RE Performance Spectrum

Athlon PRO 300U

2 / 4

4,080

+0.8%

Ryzen Threadripper 3990X

Atom x7433RE

4 / 4

4,049

0.0%

Pentium 4417U

Core i5-5300U

Pentium Gold G5400T

Pentium Dual Core T3200

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.

Athlon PRO 300U vs Atom x7433RE 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.

Athlon PRO 300U vs Atom x7433RE: Pros, Cons & Final Verdict

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

Athlon PRO 300U

2019

Why buy it

✅Better for gaming: +5.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (4 MB vs 6 MB).
❌66.7% higher power demand at 15W vs 9W.
❌Older platform position on FP5 with DDR4, while Atom x7433RE moves to FCBGA1264 and DDR5.

Atom x7433RE

2024

Why buy it

✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Draws 9W instead of 15W, a 6W reduction.
✅Newer platform on FCBGA1264 with DDR5 support instead of FP5 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon PRO 300U across 50 shared CPU benchmark tests.
❌Lower PassMark (4,049 vs 4,080).

Quick Answers

So, is Athlon PRO 300U better than Atom x7433RE?

Yes. Athlon PRO 300U is the better all-around CPU here. It gives you a 5.8% average FPS lead across 50 shared CPU game tests in our data and 0.8% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon PRO 300U is the better pick. According to our tests, it delivers 5.8% 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, Athlon PRO 300U is the stronger fit. You are getting 0.8% better PassMark, backed by 2 cores and 4 threads.

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

Athlon PRO 300U still makes the most sense overall. Athlon PRO 300U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 5.8% average FPS lead across 50 shared CPU game tests in our data.

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 2019), a healthier platform with FCBGA1264 and DDR5 instead of FP5, and 50% larger total L3 cache (6 MB vs 4 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Athlon PRO 300U vs Atom x7433RE Technical Specifications

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

Athlon PRO 300U

The Athlon PRO 300U is manufactured by AMD. It was released in 2009-01-01. It is based on the Raven Ridge 2 (2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 4,080 points. Launch price was $149.

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.

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Processing Power

The Athlon PRO 300U packs 2 cores / 4 threads, while the Atom x7433RE offers 4 cores / 4 threads — the Atom x7433RE has 2 more cores. Boost clocks reach 3.3 GHz on the Athlon PRO 300U versus 3.4 GHz on the Atom x7433RE — a 3% clock advantage for the Atom x7433RE (base: 2.4 GHz vs 1.5 GHz). The Athlon PRO 300U uses the Raven Ridge 2 (2019) architecture (14 nm), while the Atom x7433RE uses Amston Lake (2024−2025) (10 nm). In PassMark, the Athlon PRO 300U scores 4,080 against the Atom x7433RE's 4,049 — a 0.8% lead for the Athlon PRO 300U. L3 cache: 4 MB (total) on the Athlon PRO 300U vs 6 MB (total) on the Atom x7433RE.

Feature	Athlon PRO 300U	Atom x7433RE
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.3 GHz	3.4 GHz+3%
Base Clock	2.4 GHz+60%	1.5 GHz
L3 Cache	4 MB (total)	6 MB (total)+50%
L2 Cache	512K (per core)+25500%	2 MB (total)
Process	14 nm	10 nm-29%
Architecture	Raven Ridge 2 (2019)	Amston Lake (2024−2025)
PassMark	4,080	4,049

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Memory & Platform

The Athlon PRO 300U uses the FP5 socket (PCIe 3.0), while the Atom x7433RE uses FCBGA1264 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Athlon PRO 300U versus DDR5-4800 on the Atom x7433RE — the Atom x7433RE supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon PRO 300U supports up to 32 GB of RAM compared to 16 GB — 100% more capacity for professional workloads. Memory channels: 2 (Athlon PRO 300U) vs 1 (Atom x7433RE). PCIe lanes: 8 (Athlon PRO 300U) vs 9 (Atom x7433RE) — the Atom x7433RE offers 1 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FP5 (Athlon PRO 300U) and Intel BGA1264 (Atom x7433RE).

Feature	Athlon PRO 300U	Atom x7433RE
Socket	FP5	FCBGA1264
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2400	DDR5-4800+100%
Max RAM Capacity	32 GB+100%	16 GB
RAM Channels	2+100%	1
ECC Support	Yes	Yes
PCIe Lanes	8	9+13%

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Advanced Features

Both include integrated graphics — AMD Radeon Vega 3 (Athlon PRO 300U) and Intel UHD Graphics (32EU) (Atom x7433RE) — useful as a fallback for troubleshooting or display output without a dedicated GPU.