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 E6540 vs Core 2 Duo SU7300 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 E6540 vs Core 2 Duo SU7300: 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 E6540

2007

Why buy it

✅Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅Costs $126 less on MSRP ($163 MSRP vs $289 MSRP).
✅Delivers 77.2% more PassMark for each dollar spent, at 9.2 vs 5.2 PassMark/$ ($163 MSRP vs $289 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (1,495 vs 1,496).
❌2066.7% higher power demand at 65W vs 3W.

Core 2 Duo SU7300

2009

Why buy it

✅+0.1% higher PassMark.
✅Draws 3W instead of 65W, a 62W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core 2 Duo E6540 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (3 MB vs 4 MB).
❌Lower PassMark per dollar, at 5.2 vs 9.2 PassMark/$ ($289 MSRP vs $163 MSRP).
❌No boxed cooler included, unlike Core 2 Duo E6540.

Quick Answers

So, is Core 2 Duo SU7300 better than Core 2 Duo E6540?

It depends on what you want from the system. For gaming, Core 2 Duo E6540 is ahead with a 3.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo SU7300 pulls ahead with 0.1% better PassMark. Core 2 Duo E6540 also has the bigger cache pool with 33.3% larger total L3 cache (4 MB vs 3 MB).

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

For streaming, content creation, and heavier multitasking, Core 2 Duo SU7300 is the stronger fit. You are getting 0.1% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo SU7300 is still the much better call for a fresh build. Core 2 Duo SU7300 comes in 77.3% more expensive on MSRP at $289 MSRP versus $163 MSRP, and it still gives you 0.1% better PassMark. Core 2 Duo E6540 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2007 platform. Even with 77.2% better value on paper (9.2 vs 5.2 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA775.

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

Core 2 Duo SU7300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2007) and more multi-core headroom with 2 cores / 2 threads instead of 2/0. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo E6540 vs Core 2 Duo SU7300 Technical Specifications

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

Core 2 Duo E6540

The Core 2 Duo E6540 is manufactured by Intel. It was released in 2008-01-01. It has 2 cores. Base frequency: 2.33 GHz. L3 cache: 4 MB L2 Cache. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,495 points. Launch price was $249.

Core 2 Duo SU7300

The Core 2 Duo SU7300 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 1.3 GHz, with boost up to 1.3 GHz. L3 cache: 3 MB Intel® Smart Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,496 points. Launch price was $249.

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Processing Power

Both the Core 2 Duo E6540 and Core 2 Duo SU7300 share an identical 2-core/2-thread configuration. The Core 2 Duo SU7300 is built on the Penryn (2008−2011) architecture. In PassMark, the Core 2 Duo E6540 scores 1,495 against the Core 2 Duo SU7300's 1,496 — a 0.1% lead for the Core 2 Duo SU7300. L3 cache: 4 MB L2 Cache on the Core 2 Duo E6540 vs 3 MB Intel® Smart Cache on the Core 2 Duo SU7300.

Feature	Core 2 Duo E6540	Core 2 Duo SU7300
Cores / Threads	2	2 / 2
Boost Clock	—	1.3 GHz
Base Clock	2.33 GHz+79%	1.3 GHz
L3 Cache	4 MB L2 Cache+33%	3 MB Intel® Smart Cache
L2 Cache	—	3 MB
Process	65 nm	45 nm-31%
Architecture	—	Penryn (2008−2011)
PassMark	1,495	1,496
Geekbench 6 Single	—	188
Geekbench 6 Multi	—	338

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Memory & Platform

The Core 2 Duo E6540 uses the LGA775 socket (PCIe 1.1), while the Core 2 Duo SU7300 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Core 2 Duo E6540 versus DDR3-1066 on the Core 2 Duo SU7300 — the Core 2 Duo E6540 supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E6540 supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Duo E6540) vs 0 (Core 2 Duo SU7300) — the Core 2 Duo E6540 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6540) and GS45,GM45 (Core 2 Duo SU7300).

Feature	Core 2 Duo E6540	Core 2 Duo SU7300
Socket	LGA775	BGA956
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	1333+25%	DDR3-1066
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	0

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Advanced Features

Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E6540) vs VT-x (Core 2 Duo SU7300). Primary use case: Core 2 Duo SU7300 targets Ultra-Low Voltage Laptop. Direct competitor: Core 2 Duo E6540 rivals Athlon 64 X2 6000+.

Feature	Core 2 Duo E6540	Core 2 Duo SU7300
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	No
AVX-512	No	No
Virtualization	true	VT-x
Target Use	—	Ultra-Low Voltage Laptop

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Value Analysis

At launch, the Core 2 Duo E6540 was priced at $163, while the Core 2 Duo SU7300 came in at $289. On launch pricing ($163 vs $289), Core 2 Duo E6540 was $126 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E6540 delivers 9.2 pts/$ vs 5.2 pts/$ for the Core 2 Duo SU7300 — making the Core 2 Duo E6540 the 55.7% better value option.

Feature	Core 2 Duo E6540	Core 2 Duo SU7300
MSRP	$163-44%	$289
Performance per Dollar	9.2+77%	5.2
Release Date	2007	2009

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