Athlon II X2 235e vs Pentium 3556U

Athlon II X2 235e vs Pentium 3556U Performance Spectrum

Athlon II X2 235e

2 / 2

1,079

+0.7%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium 3556U

2 / 2

1,072

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.

Athlon II X2 235e vs Pentium 3556U 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 II X2 235e vs Pentium 3556U: Pros, Cons & Final Verdict

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

Athlon II X2 235e

2009

Why buy it

✅Draws 45W instead of 512W, a 467W reduction.
✅Includes a boxed cooler (Stock), unlike Pentium 3556U.

Trade-offs

❌Launch MSRP is still $69 MSRP, while Pentium 3556U mostly shows up through inconsistent older-market listings.

Pentium 3556U

2013

Why buy it

Trade-offs

❌Lower PassMark (1,072 vs 1,079).
❌1037.8% higher power demand at 512W vs 45W.
❌No boxed cooler included, unlike Athlon II X2 235e.

Quick Answers

So, is Athlon II X2 235e better than Pentium 3556U?

Yes. Athlon II X2 235e is the better all-around CPU here. It gives you a 1.7% average FPS lead across 50 shared CPU game tests in our data and 0.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon II X2 235e is the better pick. According to our tests, it delivers 1.7% 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, Athlon II X2 235e is the stronger fit. You are getting 0.7% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II X2 235e is the better buy right now. Athlon II X2 235e comes in at an unclear MSRP at $69 MSRP versus unclear MSRP, and it still gives you a 1.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (15.6 vs 0.0 PassMark/$), 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 3556U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2009). That makes it the safer long-term bet.

Athlon II X2 235e vs Pentium 3556U Technical Specifications

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

Athlon II X2 235e

The Athlon II X2 235e is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,079 points. Launch price was $84.

Pentium 3556U

The Pentium 3556U is manufactured by Intel. It was released in 2007-01-01. 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 (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,072 points. Launch price was $69.

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Processing Power

Both the Athlon II X2 235e and Pentium 3556U share an identical 2-core/2-thread configuration. Boost clocks reach 2.7 GHz on the Athlon II X2 235e versus 1.7 GHz on the Pentium 3556U — a 45.5% clock advantage for the Athlon II X2 235e (base: 2.7 GHz vs 1.7 GHz). The Athlon II X2 235e uses the Regor (2009−2013) architecture (45 nm), while the Pentium 3556U uses Haswell (2013−2015) (22 nm). In PassMark, the Athlon II X2 235e scores 1,079 against the Pentium 3556U's 1,072 — a 0.7% lead for the Athlon II X2 235e. L3 cache: 0 kB on the Athlon II X2 235e vs 2 MB (total) on the Pentium 3556U.

Feature	Athlon II X2 235e	Pentium 3556U
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.7 GHz+59%	1.7 GHz
Base Clock	2.7 GHz+59%	1.7 GHz
L3 Cache	0 kB	2 MB (total)
L2 Cache	1 MB	256K (per core)+25500%
Process	45 nm	22 nm-51%
Architecture	Regor (2009−2013)	Haswell (2013−2015)
PassMark	1,079	1,072
Geekbench 6 Single	240	—
Geekbench 6 Multi	450	—

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Memory & Platform

The Athlon II X2 235e uses the AM3 socket (PCIe 2.0), while the Pentium 3556U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Athlon II X2 235e	Pentium 3556U
Socket	AM3	FCBGA1168
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: AMD-V (Athlon II X2 235e) / not specified (Pentium 3556U). Primary use case: Athlon II X2 235e targets Energy Efficient Legacy Desktop. Direct competitor: Athlon II X2 235e rivals Pentium E5300.