Core 2 Duo E6540 vs Core i3-380UM

Intel

Core 2 Duo E6540

2 Cores65 WW2007
Similar parts
·······
VS
Intel

Core i3-380UM

2 Cores4 Thrd512 WWMax: 0.03 GHz2010
Similar parts
·······

Core 2 Duo E6540 vs Core i3-380UM Performance Spectrum

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.

Core 2 Duo E6540 vs Core i3-380UM 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 i3-380UM: 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

  • +33.3% larger total L3 cache (4 MB vs 3 MB).
  • Draws 65W instead of 512W, a 447W reduction.
  • Includes a boxed cooler (true), unlike Core i3-380UM.

Trade-offs

  • Lower PassMark (1,495 vs 1,502).
  • Launch MSRP is still $163 MSRP, while Core i3-380UM mostly shows up through inconsistent older-market listings.
  • No integrated graphics, while Core i3-380UM can still boot and troubleshoot without a discrete GPU.

Core i3-380UM

2010

Why buy it

  • Integrated graphics onboard with Intel HD Graphics, while Core 2 Duo E6540 needs a discrete GPU.

Trade-offs

  • Smaller total L3 cache (3 MB vs 4 MB).
  • 687.7% higher power demand at 512W vs 65W.
  • No boxed cooler included, unlike Core 2 Duo E6540.

Quick Answers

So, is Core i3-380UM better than Core 2 Duo E6540?
Yes. Core i3-380UM is the better all-around CPU here. It gives you a 1.1% average FPS lead across 50 shared CPU game tests in our data, 0.5% 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 i3-380UM is the better pick. According to our tests, it delivers 1.1% 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 i3-380UM is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i3-380UM is still the much better call for a fresh build. Core i3-380UM comes in at an unclear MSRP at unclear MSRP versus $163 MSRP, and it still gives you a 1.1% average FPS lead across 50 shared CPU game tests in our data. Core 2 Duo E6540 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2007 platform. Even with 100.0% better value on paper (9.2 vs 0.0 PassMark/$), 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 i3-380UM makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2007) and more multi-core headroom with 2 cores / 4 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 i3-380UM Technical Specifications

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

Intel

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.

Intel

Core i3-380UM

The Core i3-380UM is manufactured by Intel. It was released in 1 October 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 0.03 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,502 points. Launch price was $69.

Processing Power

The Core 2 Duo E6540 packs 2 cores / 2 threads, matching the Core i3-380UM's 2 cores. The Core i3-380UM is built on the Arrandale (2010−2011) architecture. In PassMark, the Core 2 Duo E6540 scores 1,495 against the Core i3-380UM's 1,502 — a 0.5% lead for the Core i3-380UM. L3 cache: 4 MB L2 Cache on the Core 2 Duo E6540 vs 3 MB on the Core i3-380UM.

FeatureCore 2 Duo E6540Core i3-380UM
Cores / Threads
2
2 / 4
Boost Clock
0.03 GHz
Base Clock
2.33 GHz+75%
1.33 GHz
L3 Cache
4 MB L2 Cache+33%
3 MB
L2 Cache
512 kB
Process
65 nm
32 nm-51%
Architecture
Arrandale (2010−2011)
PassMark
1,495
1,502
Geekbench 6 Single
199
Geekbench 6 Multi
451
🧠

Memory & Platform

The Core 2 Duo E6540 uses the LGA775 socket (PCIe 1.1), while the Core i3-380UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Core 2 Duo E6540 versus DDR3-800 on the Core i3-380UM — the Core 2 Duo E6540 supports 66.6% 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. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6540) and HM55,HM57,QM57 (Core i3-380UM).

FeatureCore 2 Duo E6540Core i3-380UM
Socket
LGA775
BGA1288
PCIe Generation
PCIe 1.1
PCIe 2.0+82%
Max RAM Speed
1333+67%
DDR3-800
Max RAM Capacity
16 GB+100%
8 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16
16
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E6540) vs No (Core i3-380UM). The Core i3-380UM includes integrated graphics (Intel HD Graphics), while the Core 2 Duo E6540 requires a dedicated GPU. Primary use case: Core i3-380UM targets Budget. Direct competitor: Core 2 Duo E6540 rivals Athlon 64 X2 6000+; Core i3-380UM rivals Athlon Silver 3050U.

FeatureCore 2 Duo E6540Core i3-380UM
Integrated GPU
No
Yes
IGPU Model
None
Intel HD Graphics
Unlocked
No
No
AVX-512
No
No
Virtualization
true
No
Target Use
Budget