Core 2 Duo T6600 vs Core i3-6102E

Intel

Core 2 Duo T6600

2 Cores2 Thrd2 WWMax: 2.2 GHz2009
Similar parts
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VS
Intel

Core i3-6102E

2 Cores4 Thrd25 WWMax: 1.9 GHz2015
Similar parts
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Core 2 Duo T6600 vs Core i3-6102E 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 T6600 vs Core i3-6102E 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 T6600 vs Core i3-6102E: 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 T6600

2009

Why buy it

  • Draws 2W instead of 25W, a 23W reduction.

Trade-offs

  • Smaller total L3 cache (2 MB vs 3 MB).
  • No integrated graphics, while Core i3-6102E can still boot and troubleshoot without a discrete GPU.

Core i3-6102E

2015

Why buy it

  • +50% larger total L3 cache (3 MB vs 2 MB).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with HD Graphics 530, while Core 2 Duo T6600 needs a discrete GPU.

Trade-offs

  • Lower PassMark (2,349 vs 2,355).
  • Launch MSRP is still $225 MSRP, while Core 2 Duo T6600 mostly shows up through inconsistent older-market listings.
  • 1150% higher power demand at 25W vs 2W.

Quick Answers

So, is Core 2 Duo T6600 better than Core i3-6102E?
Yes. Core 2 Duo T6600 is the better all-around CPU here. It gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data and 0.3% 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 T6600 is the better pick. According to our tests, it delivers 2.8% 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 T6600 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core 2 Duo T6600 is still the much better call for a fresh build. Core 2 Duo T6600 comes in at an unclear MSRP at unclear MSRP versus $225 MSRP, and it still gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data. Core i3-6102E only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2015 platform. Even with 100.0% better value on paper (10.4 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on that older DDR4-era platform.
Which one is more future-proof for 2026 and beyond?
Core i3-6102E makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2009) and 50% larger total L3 cache (3 MB vs 2 MB). That makes it the safer long-term bet.

Core 2 Duo T6600 vs Core i3-6102E Technical Specifications

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

Intel

Core 2 Duo T6600

The Core 2 Duo T6600 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 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,355 points. Launch price was $249.

Intel

Core i3-6102E

The Core i3-6102E is manufactured by Intel. It was released in 12 October 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Max frequency: 1.9 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 14 nm process technology. Thermal design power (TDP): 25 Watt. Memory support: LPDDR3-1866. Passmark benchmark score: 2,349 points. Launch price was $225.

Processing Power

The Core 2 Duo T6600 packs 2 cores / 2 threads, matching the Core i3-6102E's 2 cores. Boost clocks reach 2.2 GHz on the Core 2 Duo T6600 versus 1.9 GHz on the Core i3-6102E — a 14.6% clock advantage for the Core 2 Duo T6600. The Core 2 Duo T6600 uses the Penryn (2008−2011) architecture (45 nm), while the Core i3-6102E uses Skylake (2015−2016) (14 nm). In PassMark, the Core 2 Duo T6600 scores 2,355 against the Core i3-6102E's 2,349 — a 0.3% lead for the Core 2 Duo T6600. L3 cache: 2 MB L2 Cache on the Core 2 Duo T6600 vs 3 MB on the Core i3-6102E.

FeatureCore 2 Duo T6600Core i3-6102E
Cores / Threads
2 / 2
2 / 4
Boost Clock
2.2 GHz+16%
1.9 GHz
Base Clock
2.2 GHz
L3 Cache
2 MB L2 Cache
3 MB+50%
L2 Cache
2 MB+300%
512 kB
Process
45 nm
14 nm-69%
Architecture
Penryn (2008−2011)
Skylake (2015−2016)
PassMark
2,355
2,349
Geekbench 6 Single
200
Geekbench 6 Multi
350
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Memory & Platform

Maximum memory speed reaches DDR3-800 on the Core 2 Duo T6600 versus DDR4-2133 on the Core i3-6102E — the Core i3-6102E supports 166.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-6102E supports up to 64 GB of RAM compared to 8 GB 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo T6600) vs 16 (Core i3-6102E) — the Core i3-6102E offers 16 more lanes for additional GPUs or NVMe drives.

FeatureCore 2 Duo T6600Core i3-6102E
Socket
PGA478
PCIe Generation
PCIe 1.1
PCIe 3.0+173%
Max RAM Speed
DDR3-800
DDR4-2133+167%
Max RAM Capacity
8 GB
64 GB+700%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
0
16
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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Duo T6600) vs VT-x, VT-d (Core i3-6102E). The Core i3-6102E includes integrated graphics (HD Graphics 530), while the Core 2 Duo T6600 requires a dedicated GPU. Primary use case: Core 2 Duo T6600 targets Legacy Laptop, Core i3-6102E targets Embedded.

FeatureCore 2 Duo T6600Core i3-6102E
Integrated GPU
No
Yes
IGPU Model
None
HD Graphics 530
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x
VT-x, VT-d
Target Use
Legacy Laptop
Embedded