Atom Z3740 vs Core i7-6600U

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 Atom Z3740 is positioned at rank 172 and the Core i7-6600U is on rank 925, so the Atom Z3740 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 Atom Z3740

#49

Core i9-12900HX

MSRP: $606|Avg: N/A

98%

#160

Atom x5-Z8300

MSRP: $20|Avg: N/A

347%

#161

Atom Z3735G

MSRP: $17|Avg: N/A

342%

#162

Core i5-480M

MSRP: $81|Avg: $77

314%

#163

Core i5-460M

MSRP: $80|Avg: $129

313%

#164

Core i5-2540M

MSRP: $266|Avg: $10

310%

#166

Core i5-450M

MSRP: $32|Avg: $31

299%

#167

Core i3-380M

MSRP: $49|Avg: $25

287%

#168

Core i5-430M

MSRP: N/A|Avg: $33

286%

#169

Core 2 Duo T6600

MSRP: N/A|Avg: $4

279%

#172

Atom Z3740

MSRP: N/A|Avg: N/A

100%

#173

Celeron N3060

MSRP: $107|Avg: N/A

100%

#176

Core 2 Duo T9300

MSRP: $316|Avg: $20

99%

Based on actual market prices and performance synthetic scores.

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 Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i7-6600U delivers superior performance across the board. It outperforms the Atom Z3740 in both compute-intensive tasks (0.8% faster) and gaming workloads.

Insight	Atom Z3740	Core i7-6600U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm)	🛑 Legacy (Skylake (2015−2016) / 14 nm)

💎 Value Proposition

Insight	Atom Z3740	Core i7-6600U
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.

Atom Z3740 Benchmark Check

Core i7-6600U Benchmark Check

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Technical Specifications

Side-by-side comparison of Atom Z3740 and Core i7-6600U

Atom Z3740

The Atom Z3740 is manufactured by Intel. It was released in 27 September 2013 (12 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 1.86 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 2 Watt. Memory support: DDR3. Passmark benchmark score: 3,380 points. Launch price was $32.

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.

⚡

Processing Power

The Atom Z3740 packs 4 cores / 4 threads, while the Core i7-6600U offers 2 cores / 4 threads — the Atom Z3740 has 2 more cores. Boost clocks reach 1.86 GHz on the Atom Z3740 versus 3.4 GHz on the Core i7-6600U — a 58.6% clock advantage for the Core i7-6600U (base: 1.33 GHz vs 2.6 GHz). The Atom Z3740 uses the Bay Trail-T (2013−2014) architecture (22 nm), while the Core i7-6600U uses Skylake (2015−2016) (14 nm). In PassMark, the Atom Z3740 scores 3,380 against the Core i7-6600U's 3,407 — a 0.8% lead for the Core i7-6600U. L3 cache: 0 kB on the Atom Z3740 vs 4 MB on the Core i7-6600U.

Feature	Atom Z3740	Core i7-6600U
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	1.86 GHz	3.4 GHz+83%
Base Clock	1.33 GHz	2.6 GHz+95%
L3 Cache	0 kB	4 MB
L2 Cache	512K (per core)	512 kB
Process	22 nm	14 nm-36%
Architecture	Bay Trail-T (2013−2014)	Skylake (2015−2016)
PassMark	3,380	3,407

🧠

Memory & Platform

The Atom Z3740 uses the UTFCBGA1380 socket (PCIe 2.0), while the Core i7-6600U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Atom Z3740	Core i7-6600U
Socket	UTFCBGA1380	BGA1356
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	LPDDR3-1066	—
Max RAM Capacity	4 GB	—
RAM Channels	2	—
ECC Support	❌	—
PCIe Lanes	0	—