Core 2 Duo E8435 vs Pentium Extreme Edition 955

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.

Core 2 Duo E8435 vs Pentium Extreme Edition 955 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.

Core 2 Duo E8435 vs Pentium Extreme Edition 955: Pros, Cons & Final Verdict

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

Core 2 Duo E8435

2009

Why buy it

✅Better for gaming: +3.4% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $849 less on MSRP ($150 MSRP vs $999 MSRP).
✅Delivers 571.5% more PassMark for each dollar spent, at 7.4 vs 1.1 PassMark/$ ($150 MSRP vs $999 MSRP).
✅Draws 44W instead of 130W, a 86W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Pentium Extreme Edition 955

2005

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core 2 Duo E8435 across 50 shared CPU benchmark tests.
❌Lower PassMark (1,095 vs 1,104).
❌Lower PassMark per dollar, at 1.1 vs 7.4 PassMark/$ ($999 MSRP vs $150 MSRP).
❌195.5% higher power demand at 130W vs 44W.

Quick Answers

So, is Core 2 Duo E8435 better than Pentium Extreme Edition 955?

Yes. Core 2 Duo E8435 is the better all-around CPU here. It gives you a 3.4% average FPS lead across 50 shared CPU game tests in our data, 0.8% 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, Core 2 Duo E8435 is the better pick. According to our tests, it delivers 3.4% 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, Core 2 Duo E8435 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?

Core 2 Duo E8435 is the better buy right now. Core 2 Duo E8435 comes in $849 cheaper on MSRP at $150 MSRP versus $999 MSRP, and it still gives you a 3.4% average FPS lead across 50 shared CPU game tests in our data. It is also 571.5% better value on MSRP (7.4 vs 1.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core 2 Duo E8435 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2005) and more multi-core headroom with 2 cores / 2 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo E8435 vs Pentium Extreme Edition 955 Technical Specifications

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

Core 2 Duo E8435

The Core 2 Duo E8435 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 3.067 GHz, with boost up to 0.07 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,104 points. Launch price was $249.

Pentium Extreme Edition 955

The Pentium Extreme Edition 955 is manufactured by Intel. It was released in 27 December 2005 (19 years ago). It is based on the Presler (2005−2007) architecture. It features 2 cores and 4 threads. Base frequency is 3.466 GHz, with boost up to 0.47 GHz. L2 cache: 2 MB (per core). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 130 Watt. Memory support: DDR1, DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,095 points. Launch price was $999.

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Processing Power

The Core 2 Duo E8435 packs 2 cores / 2 threads, matching the Pentium Extreme Edition 955's 2 cores. Boost clocks reach 0.07 GHz on the Core 2 Duo E8435 versus 0.47 GHz on the Pentium Extreme Edition 955 — a 148.1% clock advantage for the Pentium Extreme Edition 955 (base: 3.067 GHz vs 3.466 GHz). The Core 2 Duo E8435 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium Extreme Edition 955 uses Presler (2005−2007) (65 nm). In PassMark, the Core 2 Duo E8435 scores 1,104 against the Pentium Extreme Edition 955's 1,095 — a 0.8% lead for the Core 2 Duo E8435.

Feature	Core 2 Duo E8435	Pentium Extreme Edition 955
Cores / Threads	2 / 2	2 / 4
Boost Clock	0.07 GHz	0.47 GHz+571%
Base Clock	3.067 GHz	3.466 GHz+13%
L2 Cache	6 MB (total)+200%	2 MB (per core)
Process	45 nm-31%	65 nm
Architecture	Penryn (2008−2011)	Presler (2005−2007)
PassMark	1,104	1,095
Geekbench 6 Single	257	—

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Memory & Platform

The Core 2 Duo E8435 uses the P socket (PCIe 1.1), while the Pentium Extreme Edition 955 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Core 2 Duo E8435	Pentium Extreme Edition 955
Socket	P	LGA775
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: VT-x, VT-d (Core 2 Duo E8435) / not specified (Pentium Extreme Edition 955).

Feature	Core 2 Duo E8435	Pentium Extreme Edition 955
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—

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Value Analysis

At launch, the Core 2 Duo E8435 was priced at $150, while the Pentium Extreme Edition 955 came in at $999. On launch pricing ($150 vs $999), Core 2 Duo E8435 was $849 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E8435 delivers 7.4 pts/$ vs 1.1 pts/$ for the Pentium Extreme Edition 955 — making the Core 2 Duo E8435 the 148.2% better value option.

Feature	Core 2 Duo E8435	Pentium Extreme Edition 955
MSRP	$150-85%	$999
Performance per Dollar	7.4+573%	1.1
Release Date	2009	2005

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