Core i7-8665U vs Core i7-3770S

Core i7-8665U

4 Cores8 Thrd15 WWMax: 4.8 GHz2019

Core i7-3770S

4 Cores8 Thrd65 WWMax: 3.9 GHz2012

Performance Spectrum - CPU

Core i7-8665U

4 / 8

6,202

+0.5%

6,173

0.0%

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. Components placed above yours deliver better value for money. The Core i7-8665U is positioned at rank 544 and the Core i7-3770S is on rank 691, so the Core i7-8665U 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 i7-8665U

#173

Core Ultra 5 238V

MSRP: $454|Avg: $454

97%

#532

Atom x5-Z8300

MSRP: $20|Avg: N/A

710%

#533

Atom Z3735G

MSRP: $17|Avg: N/A

699%

#534

Core i5-480M

MSRP: $81|Avg: $77

642%

#535

Core i5-460M

MSRP: $80|Avg: $129

639%

#536

Core i5-2540M

MSRP: $266|Avg: $10

633%

#538

Core i5-450M

MSRP: $32|Avg: $31

611%

#539

Core i3-380M

MSRP: $49|Avg: $25

586%

#540

Core i5-430M

MSRP: N/A|Avg: $33

585%

#541

Core 2 Duo T6600

MSRP: N/A|Avg: $4

570%

#544

Core i7-8665U

MSRP: N/A|Avg: N/A

100%

#549

Celeron Dual-Core T1500

MSRP: N/A|Avg: $49

98%

#557

Pentium P6200

MSRP: $60|Avg: $25

96%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-3770S

Ryzen 9 7950X

MSRP: $194|Avg: $20

12625%

Core i9-10900T

MSRP: $120|Avg: $5

11930%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

8662%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

2609%

Ryzen 9 9950X

MSRP: $649|Avg: $129

2067%

Ryzen 5 8400F

MSRP: $303|Avg: $55

1808%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1036%

Ryzen 5 2600X

MSRP: $229|Avg: $55

1022%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

931%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

931%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

920%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

895%

#13

Core i3-9100E

MSRP: $202|Avg: $30

883%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

879%

#15

Core i3-8300T

MSRP: $138|Avg: $25

871%

#690

Core i7-6800K

MSRP: $434|Avg: $120

100%

#691

Core i7-3770S

MSRP: $250|Avg: $250

100%

#692

Core i5-4670S

MSRP: $213|Avg: $30

100%

#693

Core i5-3550

MSRP: $194|Avg: $30

100%

#694

Core i3-7300

MSRP: $184|Avg: $46

99%

#695

FX-4300

MSRP: $122|Avg: $25

99%

#696

Core i5-3450

MSRP: $184|Avg: $95

99%

#697

Celeron G550

MSRP: $52|Avg: $15

99%

#699

Core i3-4370T

MSRP: $138|Avg: $138

99%

#700

FX-6200

MSRP: $169|Avg: $25

99%

#701

FX-4150

MSRP: $137|Avg: $20

98%

#702

Core i5-2450P

MSRP: $177|Avg: $30

98%

#703

Core i5-4690T

MSRP: $192|Avg: $98

97%

#704

Core i5-4430S

MSRP: $182|Avg: $90

97%

#705

Core i5-4440S

MSRP: $182|Avg: $30

97%

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 i7-8665U (2019) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Core i7-8665U	Core i7-3770S
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($0)	⚠️ Higher cost ($250)
Longevity	✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm)	🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm)

💎 Value Proposition

The Core i7-3770S (2012) relies on 22 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Core i7-8665U	Core i7-3770S
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($250)

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 i7-8665U Benchmark Check

Core i7-3770S Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-8665U and Core i7-3770S

Core i7-8665U

The Core i7-8665U is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.9 GHz, with boost up to 4.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 6,202 points. Launch price was $409.

Core i7-3770S

The Core i7-3770S is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 3.9 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 6,173 points. Launch price was $330.

⚡

Processing Power

Both the Core i7-8665U and Core i7-3770S share an identical 4-core/8-thread configuration. Boost clocks reach 4.8 GHz on the Core i7-8665U versus 3.9 GHz on the Core i7-3770S — a 20.7% clock advantage for the Core i7-8665U (base: 1.9 GHz vs 3.1 GHz). The Core i7-8665U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Core i7-3770S uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i7-8665U scores 6,202 against the Core i7-3770S's 6,173 — a 0.5% lead for the Core i7-8665U. L3 cache: 8 MB (total) on the Core i7-8665U vs 8192 kB (total) on the Core i7-3770S.

Feature	Core i7-8665U	Core i7-3770S
Cores / Threads	4 / 8	4 / 8
Boost Clock	4.8 GHz+23%	3.9 GHz
Base Clock	1.9 GHz	3.1 GHz+63%
L3 Cache	8 MB (total)	8192 kB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm-36%	22 nm
Architecture	Whiskey Lake-U (2018−2019)	Ivy Bridge (2012−2013)
PassMark	6,202	6,173
Cinebench R23 Multi	—	4,500
Geekbench 6 Single	—	694
Geekbench 6 Multi	—	2,303

🧠

Memory & Platform

The Core i7-8665U uses the FCBGA1528 socket (PCIe 3.0), while the Core i7-3770S uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-8665U	Core i7-3770S
Socket	FCBGA1528	LGA1155
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR3-1600
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Core i7-8665U) / VT-x, VT-d (Core i7-3770S). The Core i7-3770S includes integrated graphics (HD Graphics 4000), while the Core i7-8665U requires a dedicated GPU. Primary use case: Core i7-3770S targets Budget.