E-350 vs Pentium 3558U

E-350 vs Pentium 3558U Performance Spectrum

E-350

2 / 2

1,049

+0.8%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium 3558U

2 / 2

1,041

0.0%

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.

E-350 vs Pentium 3558U 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.

E-350 vs Pentium 3558U: Pros, Cons & Final Verdict

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

E-350

2011

Why buy it

✅+0.8% higher PassMark.
✅Draws 18W instead of 512W, a 494W reduction.

Trade-offs

❌Launch MSRP is still $50 MSRP, while Pentium 3558U mostly shows up through inconsistent older-market listings.

Pentium 3558U

2014

Why buy it

Trade-offs

❌Lower PassMark (1,041 vs 1,049).
❌2744.4% higher power demand at 512W vs 18W.

Quick Answers

So, is E-350 better than Pentium 3558U?

It depends on what you want from the system. For gaming, Pentium 3558U is ahead with a 1.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, E-350 pulls ahead with 0.8% better PassMark.

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

For streaming, content creation, and heavier multitasking, E-350 is the stronger fit. You are getting 0.8% better PassMark, backed by 2 cores and 2 threads.

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

E-350 is the better buy right now. E-350 comes in at an unclear MSRP at $50 MSRP versus unclear MSRP, and it still gives you 0.8% better PassMark. The compromise is that Pentium 3558U is still the better pure gaming CPU with a 1.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (21.0 vs 0.0 PassMark/$), 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 3558U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2011). That makes it the safer long-term bet.

E-350 vs Pentium 3558U Technical Specifications

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

E-350

The E-350 is manufactured by AMD. It was released in 4 January 2011 (14 years ago). It is based on the Zacate (2011−2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 40 nm process technology. Socket: FT1. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,049 points. Launch price was $69.

Pentium 3558U

The Pentium 3558U is manufactured by Intel. It was released in 1 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,041 points. Launch price was $161.

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Processing Power

Both the E-350 and Pentium 3558U share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the E-350 versus 1.7 GHz on the Pentium 3558U — a 6.1% clock advantage for the Pentium 3558U. The E-350 uses the Zacate (2011−2013) architecture (40 nm), while the Pentium 3558U uses Haswell (2013−2015) (22 nm). In PassMark, the E-350 scores 1,049 against the Pentium 3558U's 1,041 — a 0.8% lead for the E-350. L3 cache: 0 kB on the E-350 vs 2 MB on the Pentium 3558U.

Feature	E-350	Pentium 3558U
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.6 GHz	1.7 GHz+6%
Base Clock	—	1.7 GHz
L3 Cache	0 kB	2 MB
L2 Cache	512K (per core)	512 kB
Process	40 nm	22 nm-45%
Architecture	Zacate (2011−2013)	Haswell (2013−2015)
PassMark	1,049	1,041

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Memory & Platform

The E-350 uses the FT1 socket (PCIe 2.0), while the Pentium 3558U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.