Pentium E6700 vs Phenom II X2 B55

Pentium E6700 vs Phenom II X2 B55 Performance Spectrum

Pentium E6700

2 / 2

1,219

0.0%

1,222

+0.2%

Ryzen Threadripper PRO 3955WX

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 E6700 vs Phenom II X2 B55 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 E6700 vs Phenom II X2 B55: Pros, Cons & Final Verdict

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

Pentium E6700

2010

Why buy it

✅Draws 65W instead of 80W, a 15W reduction.

Trade-offs

❌Lower PassMark (1,219 vs 1,222).
❌Launch MSRP is still $86 MSRP, while Phenom II X2 B55 mostly shows up through inconsistent older-market listings.

Phenom II X2 B55

2009

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌23.1% higher power demand at 80W vs 65W.

Quick Answers

So, is Pentium E6700 better than Phenom II X2 B55?

It depends on what you want from the system. For gaming, Pentium E6700 is ahead with a 0.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Phenom II X2 B55 pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Phenom II X2 B55 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Pentium E6700 is the better buy right now. Pentium E6700 comes in at an unclear MSRP at $86 MSRP versus unclear MSRP, and it still gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Phenom II X2 B55 is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 100.0% better value on MSRP (14.2 vs 0.0 PassMark/$), 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 E6700 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2009). That makes it the safer long-term bet.

Pentium E6700 vs Phenom II X2 B55 Technical Specifications

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

Pentium E6700

The Pentium E6700 is manufactured by Intel. It was released in 30 May 2010 (15 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,219 points. Launch price was $80.

Phenom II X2 B55

The Phenom II X2 B55 is manufactured by AMD. It was released in 1 October 2009 (16 years ago). It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,222 points. Launch price was $48.

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Processing Power

Both the Pentium E6700 and Phenom II X2 B55 share an identical 2-core/2-thread configuration. Boost clocks reach 3.2 GHz on the Pentium E6700 versus 3 GHz on the Phenom II X2 B55 — a 6.5% clock advantage for the Pentium E6700 (base: 3.2 GHz vs 3 GHz). The Pentium E6700 uses the Wolfdale (2008−2010) architecture (45 nm), while the Phenom II X2 B55 uses Callisto (2009−2010) (45 nm). In PassMark, the Pentium E6700 scores 1,219 against the Phenom II X2 B55's 1,222 — a 0.2% lead for the Phenom II X2 B55. L3 cache: 0 kB on the Pentium E6700 vs 6 MB (total) on the Phenom II X2 B55.

Feature	Pentium E6700	Phenom II X2 B55
Cores / Threads	2 / 2	2 / 2
Boost Clock	3.2 GHz+7%	3 GHz
Base Clock	3.2 GHz+7%	3 GHz
L3 Cache	0 kB	6 MB (total)
L2 Cache	2 MB (total)+300%	512 kB (per core)
Process	45 nm	45 nm
Architecture	Wolfdale (2008−2010)	Callisto (2009−2010)
PassMark	1,219	1,222

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Memory & Platform

The Pentium E6700 uses the LGA775 socket (PCIe 1.1), while the Phenom II X2 B55 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.