Celeron M 575 vs Phenom II X4 X920 BE

Celeron M 575 vs Phenom II X4 X920 BE Performance Spectrum

Celeron M 575

1 / 1

1,917

0.0%

Pentium 3556U

Pentium Dual Core T4400

1,935

+0.9%

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.

Celeron M 575 vs Phenom II X4 X920 BE 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.

Celeron M 575 vs Phenom II X4 X920 BE: Pros, Cons & Final Verdict

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

Celeron M 575

2008

Why buy it

✅Draws 1W instead of 2W, a 1W reduction.

Trade-offs

❌Lower PassMark (1,917 vs 1,935).
❌Launch MSRP is still $86 MSRP, while Phenom II X4 X920 BE mostly shows up through inconsistent older-market listings.

Phenom II X4 X920 BE

2010

Why buy it

Trade-offs

❌100% higher power demand at 2W vs 1W.

Quick Answers

So, is Phenom II X4 X920 BE better than Celeron M 575?

Yes. Phenom II X4 X920 BE is the better all-around CPU here. It gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data, 0.9% 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, Phenom II X4 X920 BE is the better pick. According to our tests, it delivers 1.2% 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, Phenom II X4 X920 BE is the stronger fit. You are getting 0.9% better PassMark, backed by 4 cores and 4 threads.

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

Phenom II X4 X920 BE is still the much better call for a fresh build. Phenom II X4 X920 BE comes in at an unclear MSRP at unclear MSRP versus $86 MSRP, and it still gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data. Celeron M 575 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 100.0% better value on paper (22.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on PGA478.

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

Phenom II X4 X920 BE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and more multi-core headroom with 4 cores / 4 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron M 575 vs Phenom II X4 X920 BE Technical Specifications

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

Celeron M 575

The Celeron M 575 is manufactured by Intel. It was released in 1 June 2008 (17 years ago). It is based on the Merom (2006−2008) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,917 points. Launch price was $86.

Phenom II X4 X920 BE

The Phenom II X4 X920 BE is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 4 cores and 4 threads. Max frequency: 2.3 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,935 points. Launch price was $149.

⚡

Processing Power

The Celeron M 575 packs 1 cores / 1 threads, while the Phenom II X4 X920 BE offers 4 cores / 4 threads — the Phenom II X4 X920 BE has 3 more cores. Boost clocks reach 2 GHz on the Celeron M 575 versus 2.3 GHz on the Phenom II X4 X920 BE — a 14% clock advantage for the Phenom II X4 X920 BE. The Celeron M 575 uses the Merom (2006−2008) architecture (65 nm), while the Phenom II X4 X920 BE uses Champlain (2010−2011) (45 nm). In PassMark, the Celeron M 575 scores 1,917 against the Phenom II X4 X920 BE's 1,935 — a 0.9% lead for the Phenom II X4 X920 BE.

Feature	Celeron M 575	Phenom II X4 X920 BE
Cores / Threads	1 / 1	4 / 4+300%
Boost Clock	2 GHz	2.3 GHz+15%
L2 Cache	1 MB	2 MB+100%
Process	65 nm	45 nm-31%
Architecture	Merom (2006−2008)	Champlain (2010−2011)
PassMark	1,917	1,935

🧠

Memory & Platform

The Celeron M 575 uses the PGA478 socket (PCIe 1.1), while the Phenom II X4 X920 BE uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron M 575	Phenom II X4 X920 BE
Socket	PGA478	S1
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	800	—
Max RAM Capacity	4	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

🔧

Advanced Features

Virtualization: false (Celeron M 575) / not specified (Phenom II X4 X920 BE). Direct competitor: Celeron M 575 rivals Mobile Sempron SI-40.