Pentium Gold 4425Y vs Phenom II X3 B77

Pentium Gold 4425Y vs Phenom II X3 B77 Performance Spectrum

Pentium Gold 4425Y

2 / 4

1,854

+0.5%

1,844

0.0%

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.

Pentium Gold 4425Y vs Phenom II X3 B77 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.

Pentium Gold 4425Y vs Phenom II X3 B77: Pros, Cons & Final Verdict

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

Pentium Gold 4425Y

2017

Why buy it

✅+0.5% higher PassMark.

Trade-offs

❌Smaller total L3 cache (2 MB vs 6 MB).
❌438.9% higher power demand at 512W vs 95W.

Phenom II X3 B77

2010

Why buy it

✅+200% larger total L3 cache (6 MB vs 2 MB).
✅Draws 95W instead of 512W, a 417W reduction.

Trade-offs

❌Lower PassMark (1,844 vs 1,854).
❌Launch MSRP is still $281 MSRP, while Pentium Gold 4425Y mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Phenom II X3 B77 better than Pentium Gold 4425Y?

It depends on what you want from the system. For gaming, Phenom II X3 B77 is ahead with a 0.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium Gold 4425Y pulls ahead with 0.5% better PassMark. Phenom II X3 B77 also has the bigger cache pool with 200% larger total L3 cache (6 MB vs 2 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Pentium Gold 4425Y is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 4 threads.

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

Phenom II X3 B77 is the better buy right now. Phenom II X3 B77 comes in at an unclear MSRP at $281 MSRP versus unclear MSRP, and it still gives you a 0.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Pentium Gold 4425Y is still stronger for heavier multi-core work with 0.5% better PassMark. It is also 100.0% better value on MSRP (6.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium Gold 4425Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2010) and more multi-core headroom with 2 cores / 4 threads instead of 3/3. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium Gold 4425Y vs Phenom II X3 B77 Technical Specifications

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

Pentium Gold 4425Y

The Pentium Gold 4425Y is manufactured by Intel. It was released in 21 April 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,854 points. Launch price was $161.

Phenom II X3 B77

The Phenom II X3 B77 is manufactured by AMD. It was released in 2009-01-01. It is based on the Heka (2009−2010) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,844 points. Launch price was $149.

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Processing Power

The Pentium Gold 4425Y packs 2 cores / 4 threads, while the Phenom II X3 B77 offers 3 cores / 3 threads — the Phenom II X3 B77 has 1 more core. Boost clocks reach 1.7 GHz on the Pentium Gold 4425Y versus 3.2 GHz on the Phenom II X3 B77 — a 61.2% clock advantage for the Phenom II X3 B77 (base: 1.7 GHz vs 3.2 GHz). The Pentium Gold 4425Y uses the Kaby Lake (2016−2019) architecture (14 nm), while the Phenom II X3 B77 uses Heka (2009−2010) (45 nm). In PassMark, the Pentium Gold 4425Y scores 1,854 against the Phenom II X3 B77's 1,844 — a 0.5% lead for the Pentium Gold 4425Y. L3 cache: 2 MB on the Pentium Gold 4425Y vs 6 MB (total) on the Phenom II X3 B77.

Feature	Pentium Gold 4425Y	Phenom II X3 B77
Cores / Threads	2 / 4	3 / 3+50%
Boost Clock	1.7 GHz	3.2 GHz+88%
Base Clock	1.7 GHz	3.2 GHz+88%
L3 Cache	2 MB	6 MB (total)+200%
L2 Cache	512 kB	512 kB (per core)
Process	14 nm-69%	45 nm
Architecture	Kaby Lake (2016−2019)	Heka (2009−2010)
PassMark	1,854	1,844

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Memory & Platform

The Pentium Gold 4425Y uses the FCBGA1515 socket (PCIe 3.0), while the Phenom II X3 B77 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.