Core i7-6600U vs Core 2 Duo T5670

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Core i7-6600U is positioned at rank 925 and the Core 2 Duo T5670 is on rank 2, so the Core 2 Duo T5670 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core i7-6600U

#913

Atom x5-Z8300

MSRP: $20|Avg: N/A

1636%

#914

Atom Z3735G

MSRP: $17|Avg: N/A

1612%

#915

Core i5-480M

MSRP: $81|Avg: $77

1480%

#916

Core i5-460M

MSRP: $80|Avg: $129

1474%

#917

Core i5-2540M

MSRP: $266|Avg: $10

1460%

#919

Core i5-450M

MSRP: $32|Avg: $31

1410%

#920

Core i3-380M

MSRP: $49|Avg: $25

1352%

#921

Core i5-430M

MSRP: N/A|Avg: $33

1350%

#922

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1313%

#925

Core i7-6600U

MSRP: N/A|Avg: N/A

100%

#928

A8-6410

MSRP: $100|Avg: $40

99%

#933

Athlon X2 L310

MSRP: $100|Avg: $20

97%

#939

FX-7600P

MSRP: $150|Avg: $45

95%

#940

Athlon II M300

MSRP: $100|Avg: $10

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Duo T5670

#2

Core 2 Duo T5670

MSRP: N/A|Avg: N/A

100%

#4

Atom x5-Z8300

MSRP: $20|Avg: N/A

43%

#5

Atom Z3735G

MSRP: $17|Avg: N/A

42%

#6

Core i5-480M

MSRP: $81|Avg: $77

39%

#7

Core i5-460M

MSRP: $80|Avg: $129

38%

#8

Core i5-2540M

MSRP: $266|Avg: $10

38%

#10

Core i5-450M

MSRP: $32|Avg: $31

37%

#11

Core i3-380M

MSRP: $49|Avg: $25

35%

#12

Core i5-430M

MSRP: N/A|Avg: $33

35%

#13

Core 2 Duo T6600

MSRP: N/A|Avg: $4

34%

#17

Core i3-350M

MSRP: $130|Avg: $10

32%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Core i7-6600U (2015) utilizes 14 nm technology and DDR3, DDR4, providing a fundamental performance advantage.

Insight	Core i7-6600U	Core 2 Duo T5670
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Skylake (2015−2016) / 14 nm)	🛑 Legacy (Merom-2M (2008) / 65 nm)

💎 Value Proposition

The Core 2 Duo T5670 (2008) relies on 65 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core i7-6600U	Core 2 Duo T5670
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i7-6600U Benchmark Check

Core 2 Duo T5670 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-6600U and Core 2 Duo T5670

Core i7-6600U

The Core i7-6600U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,407 points. Launch price was $393.

Core 2 Duo T5670

The Core 2 Duo T5670 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom-2M (2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 3,440 points. Launch price was $249.

⚡

Processing Power

The Core i7-6600U packs 2 cores / 4 threads, matching the Core 2 Duo T5670's 2 cores. Boost clocks reach 3.4 GHz on the Core i7-6600U versus 1.8 GHz on the Core 2 Duo T5670 — a 61.5% clock advantage for the Core i7-6600U (base: 2.6 GHz vs 1.8 GHz). The Core i7-6600U uses the Skylake (2015−2016) architecture (14 nm), while the Core 2 Duo T5670 uses Merom-2M (2008) (65 nm). In PassMark, the Core i7-6600U scores 3,407 against the Core 2 Duo T5670's 3,440 — a 1% lead for the Core 2 Duo T5670. L3 cache: 4 MB on the Core i7-6600U vs 2 MB L2 Cache on the Core 2 Duo T5670.

Feature	Core i7-6600U	Core 2 Duo T5670
Cores / Threads	2 / 4	2 / 2
Boost Clock	3.4 GHz+89%	1.8 GHz
Base Clock	2.6 GHz+44%	1.8 GHz
L3 Cache	4 MB+100%	2 MB L2 Cache
L2 Cache	512 kB	2 MB+300%
Process	14 nm-78%	65 nm
Architecture	Skylake (2015−2016)	Merom-2M (2008)
PassMark	3,407	3,440