Xeon X5660 vs Core i7-8565U

Xeon X5660

6 Cores12 Thrd95 WWMax: 3.2 GHz2010

Core i7-8565U

4 Cores8 Thrd15 WWMax: 4.6 GHz2018

Performance Spectrum - CPU

Xeon X5660

6 / 12

5,979

+0.1%

5,976

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 Xeon X5660 is positioned at rank 990 and the Core i7-8565U is on rank 988, so the Core i7-8565U 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 Xeon X5660

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

42413%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

8008%

#10

Xeon 6337P

MSRP: $60|Avg: $5

7115%

#15

EPYC 9174F

MSRP: $194|Avg: $30

5496%

#537

Xeon Platinum 8180

MSRP: $10009|Avg: $2363

78%

#538

Xeon Platinum 8280M

MSRP: $10009|Avg: $6223

77%

#990

Xeon X5660

MSRP: $1219|Avg: $10

100%

#991

Xeon E5-2667

MSRP: $1552|Avg: $31

98%

#992

Xeon E5-2690

MSRP: $2057|Avg: $150

97%

#993

Xeon E3-1565L v5

MSRP: $1552|Avg: $120

96%

#994

Xeon L5640

MSRP: $996|Avg: N/A

96%

#995

Xeon L5335

MSRP: $380|Avg: $18

93%

#996

Xeon E5-4627 v2

MSRP: $2061|Avg: $70

93%

#997

Xeon E-2144G

MSRP: $2090|Avg: $389

92%

#998

Xeon X5675

MSRP: $1440|Avg: $22

91%

#999

Xeon Phi 7210

MSRP: $1881|Avg: $150

79%

#1000

Xeon D-1567

MSRP: $2702|Avg: $230

79%

#1001

Xeon E-2126G

MSRP: $2702|Avg: $230

79%

#1004

Xeon D-1531

MSRP: $2057|Avg: $250

76%

#1005

Xeon 5130

MSRP: $316|Avg: $10

76%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-8565U

#976

Atom x5-Z8300

MSRP: $20|Avg: N/A

2008%

#977

Atom Z3735G

MSRP: $17|Avg: N/A

1979%

#978

Core i5-480M

MSRP: $81|Avg: $77

1817%

#979

Core i5-460M

MSRP: $80|Avg: $129

1808%

#980

Core i5-2540M

MSRP: $266|Avg: $10

1792%

#982

Core i5-450M

MSRP: $32|Avg: $31

1730%

#983

Core i3-380M

MSRP: $49|Avg: $25

1659%

#984

Core i5-430M

MSRP: N/A|Avg: $33

1656%

#985

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1612%

#988

Core i7-8565U

MSRP: N/A|Avg: N/A

100%

#991

Pentium 8500

MSRP: $200|Avg: $200

99%

#992

A6-8500P

MSRP: $100|Avg: $16

99%

#994

Core i7-4700EQ

MSRP: $378|Avg: $180

98%

#995

Core i3-8145UE

MSRP: $281|Avg: $50

98%

#996

Core i7-4712MQ

MSRP: $378|Avg: $60

96%

#997

Core i7-3615QE

MSRP: $400|Avg: $100

96%

#998

Celeron M U3400

MSRP: $86|Avg: $5

96%

#999

3015Ce

MSRP: $150|Avg: $40

96%

#1000

Core i7-4700MQ

MSRP: $383|Avg: $50

96%

#1001

Athlon II M340

MSRP: $80|Avg: $15

95%

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 i7-8565U (2018) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Xeon X5660	Core i7-8565U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($10)	✅ More affordable ($0)
Longevity	🛑 Legacy (Westmere-EP (2010−2011) / 32 nm)	✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm)

💎 Value Proposition

The Xeon X5660 (2010) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Xeon X5660	Core i7-8565U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($10)	✅ More affordable ($0)

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.

Xeon X5660 Benchmark Check

Core i7-8565U Benchmark Check

Technical Specifications

Side-by-side comparison of Xeon X5660 and Core i7-8565U

Xeon X5660

The Xeon X5660 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.8 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,979 points. Launch price was $33.

Core i7-8565U

The Core i7-8565U 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 1.8 GHz, with boost up to 4.6 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: 5,976 points. Launch price was $409.

⚡

Processing Power

The Xeon X5660 packs 6 cores / 12 threads, while the Core i7-8565U offers 4 cores / 8 threads — the Xeon X5660 has 2 more cores. Boost clocks reach 3.2 GHz on the Xeon X5660 versus 4.6 GHz on the Core i7-8565U — a 35.9% clock advantage for the Core i7-8565U (base: 2.8 GHz vs 1.8 GHz). The Xeon X5660 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i7-8565U uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the Xeon X5660 scores 5,979 against the Core i7-8565U's 5,976 — a 0.1% lead for the Xeon X5660. L3 cache: 12 MB (total) on the Xeon X5660 vs 8 MB (total) on the Core i7-8565U.

Feature	Xeon X5660	Core i7-8565U
Cores / Threads	6 / 12+50%	4 / 8
Boost Clock	3.2 GHz	4.6 GHz+44%
Base Clock	2.8 GHz+56%	1.8 GHz
L3 Cache	12 MB (total)+50%	8 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	32 nm	14 nm-56%
Architecture	Westmere-EP (2010−2011)	Whiskey Lake-U (2018−2019)
PassMark	5,979	5,976

🧠

Memory & Platform

The Xeon X5660 uses the LGA1366 socket (PCIe 2.0), while the Core i7-8565U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon X5660	Core i7-8565U
Socket	LGA1366	FCBGA1528
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	—
RAM Channels	3	—
ECC Support	✅	—

🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Xeon X5660) / not specified (Core i7-8565U). Primary use case: Xeon X5660 targets Workstation. Direct competitor: Xeon X5660 rivals Core i7-980X.