Athlon 64 X2 5400+ vs Pro A6-8500B

Athlon 64 X2 5400+ vs Pro A6-8500B Performance Spectrum

Athlon 64 X2 5400+

2 / 2

1,585

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pro A6-8500B

2 / 2

1,592

+0.4%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

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.

Athlon 64 X2 5400+ vs Pro A6-8500B 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 64 X2 5400+ vs Pro A6-8500B: Pros, Cons & Final Verdict

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

Athlon 64 X2 5400+

2006

Why buy it

Trade-offs

❌Lower PassMark (1,585 vs 1,592).
❌Launch MSRP is still $485 MSRP, while Pro A6-8500B mostly shows up through inconsistent older-market listings.
❌8800% higher power demand at 89W vs 1W.

Pro A6-8500B

2015

Why buy it

✅Draws 1W instead of 89W, a 88W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Pro A6-8500B better than Athlon 64 X2 5400+?

Yes. Pro A6-8500B is the better all-around CPU here. It gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data, 0.4% 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, Pro A6-8500B is the better pick. According to our tests, it delivers 0.5% 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, Pro A6-8500B is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 4 threads.

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

Pro A6-8500B is still the much better call for a fresh build. Pro A6-8500B comes in at an unclear MSRP at unclear MSRP versus $485 MSRP, and it still gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data. Athlon 64 X2 5400+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2006 platform. Even with 100.0% better value on paper (3.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on AM2.

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

Pro A6-8500B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2006) and more multi-core headroom with 2 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon 64 X2 5400+ vs Pro A6-8500B Technical Specifications

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

Athlon 64 X2 5400+

The Athlon 64 X2 5400+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,585 points. Launch price was $149.

Pro A6-8500B

The Pro A6-8500B is manufactured by AMD. It was released in 3 June 2015 (10 years ago). It is based on the Carrizo (2015−2018) architecture. It features 2 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 3 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: FP4. Thermal design power (TDP): 1 MB. Memory support: DDR3/DDR3L-1600. Passmark benchmark score: 1,592 points. Launch price was $69.

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Processing Power

The Athlon 64 X2 5400+ packs 2 cores / 2 threads, matching the Pro A6-8500B's 2 cores. Boost clocks reach 2.8 GHz on the Athlon 64 X2 5400+ versus 3 GHz on the Pro A6-8500B — a 6.9% clock advantage for the Pro A6-8500B. The Athlon 64 X2 5400+ uses the Windsor (2006−2007) architecture (90 nm), while the Pro A6-8500B uses Carrizo (2015−2018) (28 nm). In PassMark, the Athlon 64 X2 5400+ scores 1,585 against the Pro A6-8500B's 1,592 — a 0.4% lead for the Pro A6-8500B.

Feature	Athlon 64 X2 5400+	Pro A6-8500B
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.8 GHz	3 GHz+7%
Base Clock	—	1.6 GHz
L3 Cache	0 kB	—
L2 Cache	512 kB	1024 kB+100%
Process	90 nm	28 nm-69%
Architecture	Windsor (2006−2007)	Carrizo (2015−2018)
PassMark	1,585	1,592

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Memory & Platform

The Athlon 64 X2 5400+ uses the AM2 socket (PCIe 1.1), while the Pro A6-8500B uses FP4 (PCIe 3.0) — making them incompatible on the same motherboard.