Core 2 Duo E6750 vs Core 2 Duo E8135

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 E6750 vs Core 2 Duo E8135 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 E6750 vs Core 2 Duo E8135: 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 E6750

2007

Why buy it

✅Costs $17 less on MSRP ($183 MSRP vs $200 MSRP).
✅Delivers 10.3% more PassMark for each dollar spent, at 5.6 vs 5.1 PassMark/$ ($183 MSRP vs $200 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (true), unlike Core 2 Duo E8135.

Trade-offs

❌47.7% higher power demand at 65W vs 44W.

Core 2 Duo E8135

2009

Why buy it

✅Draws 44W instead of 65W, a 21W reduction.

Trade-offs

❌Lower PassMark (1,020 vs 1,029).
❌Lower PassMark per dollar, at 5.1 vs 5.6 PassMark/$ ($200 MSRP vs $183 MSRP).
❌No boxed cooler included, unlike Core 2 Duo E6750.

Quick Answers

So, is Core 2 Duo E6750 better than Core 2 Duo E8135?

Yes. Core 2 Duo E6750 is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data and 0.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core 2 Duo E6750 is the better pick. According to our tests, it delivers 0.2% 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, Core 2 Duo E6750 is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo E6750 is the better buy right now. Core 2 Duo E6750 comes in $17 cheaper on MSRP at $183 MSRP versus $200 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 10.3% better value on MSRP (5.6 vs 5.1 PassMark/$), 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 E8135 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2007). That makes it the safer long-term bet.

Core 2 Duo E6750 vs Core 2 Duo E8135 Technical Specifications

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

Core 2 Duo E6750

The Core 2 Duo E6750 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,029 points. Launch price was $249.

Core 2 Duo E8135

The Core 2 Duo E8135 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 2.667 GHz, with boost up to 0.67 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: 1,020 points. Launch price was $249.

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Processing Power

Both the Core 2 Duo E6750 and Core 2 Duo E8135 share an identical 2-core/2-thread configuration. Boost clocks reach 2.67 GHz on the Core 2 Duo E6750 versus 0.67 GHz on the Core 2 Duo E8135 — a 119.8% clock advantage for the Core 2 Duo E6750 (base: 2.66 GHz vs 2.667 GHz). The Core 2 Duo E6750 uses the Conroe (2006−2007) architecture (65 nm), while the Core 2 Duo E8135 uses Penryn (2008−2011) (45 nm). In PassMark, the Core 2 Duo E6750 scores 1,029 against the Core 2 Duo E8135's 1,020 — a 0.9% lead for the Core 2 Duo E6750.

Feature	Core 2 Duo E6750	Core 2 Duo E8135
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.67 GHz+299%	0.67 GHz
Base Clock	2.66 GHz	2.667 GHz
L3 Cache	0 kB	—
L2 Cache	4 MB	6 MB (total)+50%
Process	65 nm	45 nm-31%
Architecture	Conroe (2006−2007)	Penryn (2008−2011)
PassMark	1,029	1,020

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Memory & Platform

The Core 2 Duo E6750 uses the LGA775 socket (PCIe 1.1), while the Core 2 Duo E8135 uses P (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Core 2 Duo E6750	Core 2 Duo E8135
Socket	LGA775	P
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	1333	—
Max RAM Capacity	16	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: true (Core 2 Duo E6750) / not specified (Core 2 Duo E8135). Direct competitor: Core 2 Duo E6750 rivals Phenom X3 8450.

Feature	Core 2 Duo E6750	Core 2 Duo E8135
Integrated GPU	No	—
IGPU Model	None	—
Unlocked	No	—
AVX-512	No	—
Virtualization	true	—

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Value Analysis

At launch, the Core 2 Duo E6750 was priced at $183, while the Core 2 Duo E8135 came in at $200. On launch pricing ($183 vs $200), Core 2 Duo E6750 was $17 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E6750 delivers 5.6 pts/$ vs 5.1 pts/$ for the Core 2 Duo E8135 — making the Core 2 Duo E6750 the 9.8% better value option.

Feature	Core 2 Duo E6750	Core 2 Duo E8135
MSRP	$183-9%	$200
Performance per Dollar	5.6+10%	5.1
Release Date	2007	2009

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