Core i7-7660U
VS
Celeron N5105

Core i7-7660U vs Celeron N5105

Intel

Core i7-7660U

2 Cores4 Thrd15 WWMax: 4 GHz2017
VS
Intel

Celeron N5105

4 Cores4 Thrd10 WWMax: 2.9 GHz2021

Performance Spectrum - CPU

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i7-7660U is positioned at rank #550 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

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 i7-7660U

#173
Core Ultra 5 238V
MSRP: $454|Avg: $454
99%
#538
Atom x5-Z8300
MSRP: $20|Avg: N/A
723%
#539
Atom Z3735G
MSRP: $17|Avg: N/A
712%
#540
Core i5-480M
MSRP: $81|Avg: $77
654%
#541
Core i5-460M
MSRP: $80|Avg: $129
651%
#542
Core i5-2540M
MSRP: $266|Avg: $10
645%
#544
Core i5-450M
MSRP: $32|Avg: $31
623%
#545
Core i3-380M
MSRP: $49|Avg: $25
597%
#546
Core i5-430M
MSRP: N/A|Avg: $33
596%
#547
Core 2 Duo T6600
MSRP: N/A|Avg: $4
580%
#550
Core i7-7660U
MSRP: N/A|Avg: N/A
100%
#557
Pentium P6200
MSRP: $60|Avg: $25
98%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i7-7660U delivers superior performance across the board. It outperforms the Celeron N5105 in both compute-intensive tasks (1.4% faster) and gaming workloads.
InsightCore i7-7660UCeleron N5105
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
Equivalent pricing
Equivalent pricing
Longevity
✨ Modern (Kaby Lake (2016−2019) / 14 nm)
✨ Modern (Jasper Lake (2021) / 10 nm)

💎 Value Proposition

InsightCore i7-7660UCeleron N5105
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.

Technical Specifications

Side-by-side comparison of Core i7-7660U and Celeron N5105

Intel

Core i7-7660U

The Core i7-7660U is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 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: DDR4. Passmark benchmark score: 4,059 points. Launch price was $415.

Intel

Celeron N5105

The Celeron N5105 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2.9 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 4,003 points. Launch price was $69.

Processing Power

The Core i7-7660U packs 2 cores / 4 threads, while the Celeron N5105 offers 4 cores / 4 threads — the Celeron N5105 has 2 more cores. Boost clocks reach 4 GHz on the Core i7-7660U versus 2.9 GHz on the Celeron N5105 — a 31.9% clock advantage for the Core i7-7660U (base: 2.5 GHz vs 2 GHz). The Core i7-7660U uses the Kaby Lake (2016−2019) architecture (14 nm), while the Celeron N5105 uses Jasper Lake (2021) (10 nm). In PassMark, the Core i7-7660U scores 4,059 against the Celeron N5105's 4,003 — a 1.4% lead for the Core i7-7660U. L3 cache: 4 MB on the Core i7-7660U vs 4 MB (total) on the Celeron N5105.

FeatureCore i7-7660UCeleron N5105
Cores / Threads
2 / 4
4 / 4+100%
Boost Clock
4 GHz+38%
2.9 GHz
Base Clock
2.5 GHz+25%
2 GHz
L3 Cache
4 MB
4 MB (total)
L2 Cache
512 kB
1.5 MB (total)+200%
Process
14 nm
10 nm-29%
Architecture
Kaby Lake (2016−2019)
Jasper Lake (2021)
PassMark
4,059+1%
4,003
Cinebench R23 Multi
1,759
Geekbench 6 Single
1,150
Geekbench 6 Multi
2,285
🧠

Memory & Platform

The Core i7-7660U uses the BGA1356 socket (PCIe 3.0), while the Celeron N5105 uses BGA1338 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore i7-7660UCeleron N5105
Socket
BGA1356
BGA1338
PCIe Generation
PCIe 3.0
PCIe 4.0+33%
Max RAM Speed
DDR4-2133
Max RAM Capacity
32 GB
RAM Channels
2
ECC Support
PCIe Lanes
12
🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-7660U) / not specified (Celeron N5105). The Core i7-7660U includes integrated graphics (Iris Plus 640), while the Celeron N5105 requires a dedicated GPU. Primary use case: Core i7-7660U targets Productivity. Direct competitor: Core i7-7660U rivals Core i5-8250U.

FeatureCore i7-7660UCeleron N5105
Integrated GPU
Yes
IGPU Model
Iris Plus 640
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Productivity