Athlon X2 BE-2400 vs Ryzen 9 5900X

CPU

GPU

Athlon X2 BE-2400

2 Cores2 Thrd45 WWMax: 2.3 GHz2007

Similar parts

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

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Athlon X2 BE-2400 vs Ryzen 9 5900X Performance Spectrum

Athlon X2 BE-2400

2 / 2

1,050

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen 9 5900X

12 / 24

38,955

+3610.0%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 X2 BE-2400 vs Ryzen 9 5900X 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 X2 BE-2400 vs Ryzen 9 5900X: Pros, Cons & Final Verdict

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

Athlon X2 BE-2400

2007

Why buy it

✅Costs $489 less on MSRP ($60 MSRP vs $549 MSRP).
✅Draws 45W instead of 105W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (1,050 vs 38,955).
❌Lower PassMark per dollar, at 17.5 vs 71.0 PassMark/$ ($60 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +971.8% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 305.5% more PassMark for each dollar spent, at 71.0 vs 17.5 PassMark/$ ($549 MSRP vs $60 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌
815% HIGHER MSRP
$549 MSRPvs$60 MSRP
❌133.3% higher power demand at 105W vs 45W.

Quick Answers

So, is Ryzen 9 5900X better than Athlon X2 BE-2400?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 971.8% average FPS lead across 50 shared CPU game tests in our data, 3610% 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 9 5900X is the better pick. According to our tests, it delivers 971.8% 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, Ryzen 9 5900X is the stronger fit. You are getting 3610% better PassMark, backed by 12 cores and 24 threads.

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

Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in 815.0% more expensive on MSRP at $549 MSRP versus $60 MSRP, and it still gives you a 971.8% average FPS lead across 50 shared CPU game tests in our data. It is also 305.5% better value on MSRP (71.0 vs 17.5 PassMark/$), 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 9 5900X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2007) and more multi-core headroom with 12 cores / 24 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon X2 BE-2400 vs Ryzen 9 5900X Technical Specifications

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

Athlon X2 BE-2400

The Athlon X2 BE-2400 is manufactured by AMD. It was released in 2009-01-01. It is based on the Brisbane (2007−2008) architecture. It features 2 cores and 2 threads. Max frequency: 2.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 1,050 points. Launch price was $149.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

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Processing Power

The Athlon X2 BE-2400 packs 2 cores / 2 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. Boost clocks reach 2.3 GHz on the Athlon X2 BE-2400 versus 4.8 GHz on the Ryzen 9 5900X — a 70.4% clock advantage for the Ryzen 9 5900X. The Athlon X2 BE-2400 uses the Brisbane (2007−2008) architecture (65 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Athlon X2 BE-2400 scores 1,050 against the Ryzen 9 5900X's 38,955 — a 189.5% lead for the Ryzen 9 5900X. L3 cache: 0 kB on the Athlon X2 BE-2400 vs 64 MB on the Ryzen 9 5900X.

Feature	Athlon X2 BE-2400	Ryzen 9 5900X
Cores / Threads	2 / 2	12 / 24+500%
Boost Clock	2.3 GHz	4.8 GHz+109%
Base Clock	—	3.7 GHz
L3 Cache	0 kB	64 MB
L2 Cache	512 kB	512K (per core)
Process	65 nm	7 nm, 12 nm-89%
Architecture	Brisbane (2007−2008)	Vermeer (Zen3) (2020−2022)
PassMark	1,050	38,955+3610%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

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Memory & Platform

The Athlon X2 BE-2400 uses the AM2 socket (PCIe 1.1), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Athlon X2 BE-2400 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 300% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon X2 BE-2400) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM2 (Athlon X2 BE-2400) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Athlon X2 BE-2400	Ryzen 9 5900X
Socket	AM2	AM4
PCIe Generation	PCIe 1.1	PCIe 4.0+264%
Max RAM Speed	DDR2-800	DDR4-3200+300%
Max RAM Capacity	16 GB	128 GB+700%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	0	24

🔧

Advanced Features

Virtualization: not specified (Athlon X2 BE-2400) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

Feature	Athlon X2 BE-2400	Ryzen 9 5900X
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Workstation

💰

Value Analysis

At launch, the Athlon X2 BE-2400 was priced at $60, while the Ryzen 9 5900X came in at $549. On launch pricing ($60 vs $549), Athlon X2 BE-2400 was $489 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon X2 BE-2400 delivers 17.5 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 120.9% better value option.

Feature	Athlon X2 BE-2400	Ryzen 9 5900X
MSRP	$60-89%	$549
Performance per Dollar	17.5	71.0+306%
Release Date	2007	2020

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