Core i5-660
VS
Core i7-3667U

Core i5-660 vs Core i7-3667U

Intel

Core i5-660

2 Cores4 Thrd73 WWMax: 3.6 GHz2010
VS
Intel

Core i7-3667U

2 Cores4 Thrd512 WWMax: 3.2 GHz2012

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. Components placed above yours deliver better value for money. The Core i5-660 is positioned at rank 954 and the Core i7-3667U is on rank 1197, so the Core i5-660 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 i5-660

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
25057%
#2
Core i9-10900T
MSRP: $120|Avg: $5
23677%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
17191%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
5179%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
4102%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
3589%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
2055%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
2029%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
1847%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
1847%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
1826%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
1777%
#13
Core i3-9100E
MSRP: $202|Avg: $30
1752%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
1745%
#15
Core i3-8300T
MSRP: $138|Avg: $25
1729%
#954
Core i5-660
MSRP: $196|Avg: $150
100%
#955
Athlon II X2 250
MSRP: $87|Avg: $15
100%
#956
Core i3-2120T
MSRP: $127|Avg: $38
99%
#957
Phenom II X3 720
MSRP: $130|Avg: $64
99%
#958
Pentium E6300
MSRP: $84|Avg: $15
99%
#959
Core i5-661
MSRP: $196|Avg: $40
98%
#960
Core i3-4150
MSRP: $281|Avg: $70
97%
#961
Core i5-750
MSRP: $210|Avg: $30
97%
#962
Core i3-2100T
MSRP: $127|Avg: $127
97%
#963
Pentium E2210
MSRP: $84|Avg: $15
96%
#964
Core i3-560
MSRP: $138|Avg: $10
96%
#965
Core i3-550
MSRP: $138|Avg: $5
95%
#966
Core i7-980
MSRP: $583|Avg: $50
95%
#967
Pentium G3250
MSRP: $171|Avg: $25
94%
#968
Pentium E2200
MSRP: $84|Avg: $5
94%
#969
Core 2 Duo E7300
MSRP: $133|Avg: $133
94%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-3667U

#1184
Atom x5-Z8300
MSRP: $20|Avg: N/A
5383%
#1185
Atom Z3735G
MSRP: $17|Avg: N/A
5305%
#1186
Core i5-480M
MSRP: $81|Avg: $77
4870%
#1187
Core i5-460M
MSRP: $80|Avg: $129
4848%
#1188
Core i5-2540M
MSRP: $266|Avg: $10
4803%
#1190
Core i5-450M
MSRP: $32|Avg: $31
4639%
#1191
Core i3-380M
MSRP: $49|Avg: $25
4448%
#1192
Core i5-430M
MSRP: N/A|Avg: $33
4440%
#1193
Core 2 Duo T6600
MSRP: N/A|Avg: $4
4321%
#1197
Core i7-3667U
MSRP: N/A|Avg: N/A
100%
#1198
Celeron 560
MSRP: $89|Avg: $5
98%
#1199
Core i3-2312M
MSRP: $225|Avg: N/A
97%
#1200
Celeron 857
MSRP: $134|Avg: $10
97%
#1201
Celeron 925
MSRP: $100|Avg: $100
96%
#1202
Core 2 Duo E8135
MSRP: $200|Avg: $15
94%
#1203
Core 2 Duo U7700
MSRP: $262|Avg: $10
94%
#1204
Core Duo T2400
MSRP: $294|Avg: N/A
93%
#1205
Core 2 Duo U7600
MSRP: $250|Avg: $5
93%
#1206
Pentium M 735
MSRP: $294|Avg: N/A
91%
#1207
Core i7-620LM
MSRP: $300|Avg: N/A
90%
#1208
Core i7-740QM
MSRP: $378|Avg: N/A
89%
#1210
Core 2 Solo SU3300
MSRP: $262|Avg: $50
87%
#1211
Celeron 540
MSRP: $86|Avg: $5
87%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core i5-660 leads in gaming performance. However, the Core i7-3667U is the stronger candidate for professional workloads, offering 0.5% greater multi-core processing power.
InsightCore i5-660Core i7-3667U
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($150)
More affordable ($0)
Longevity
🛑 Legacy (Clarkdale (2010−2011) / 32 nm)
🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm)

💎 Value Proposition

InsightCore i5-660Core i7-3667U
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($150)
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.

Technical Specifications

Side-by-side comparison of Core i5-660 and Core i7-3667U

Intel

Core i5-660

The Core i5-660 is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Clarkdale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 3.33 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1156. Thermal design power (TDP): 73 Watt. Memory support: DDR3. Passmark benchmark score: 2,439 points. Launch price was $70.

Intel

Core i7-3667U

The Core i7-3667U is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 2,451 points. Launch price was $346.

Processing Power

Both the Core i5-660 and Core i7-3667U share an identical 2-core/4-thread configuration. Boost clocks reach 3.6 GHz on the Core i5-660 versus 3.2 GHz on the Core i7-3667U — a 11.8% clock advantage for the Core i5-660 (base: 3.33 GHz vs 2 GHz). The Core i5-660 uses the Clarkdale (2010−2011) architecture (32 nm), while the Core i7-3667U uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i5-660 scores 2,439 against the Core i7-3667U's 2,451 — a 0.5% lead for the Core i7-3667U. Both processors carry 4 MB (total) of L3 cache.

FeatureCore i5-660Core i7-3667U
Cores / Threads
2 / 4
2 / 4
Boost Clock
3.6 GHz+12%
3.2 GHz
Base Clock
3.33 GHz+67%
2 GHz
L3 Cache
4 MB (total)
4 MB (total)
L2 Cache
256 kB (per core)
256K (per core)
Process
32 nm
22 nm-31%
Architecture
Clarkdale (2010−2011)
Ivy Bridge (2012−2013)
PassMark
2,439
2,451
🧠

Memory & Platform

The Core i5-660 uses the LGA1156 socket (PCIe 2.0), while the Core i7-3667U uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i5-660Core i7-3667U
Socket
LGA1156
BGA1023
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
1600
Max RAM Capacity
32
RAM Channels
2
ECC Support
PCIe Lanes
16
🔧

Advanced Features

Virtualization: not specified (Core i5-660) / true (Core i7-3667U). The Core i7-3667U includes integrated graphics (Intel HD Graphics 4000), while the Core i5-660 requires a dedicated GPU. Direct competitor: Core i7-3667U rivals AMD A10-4655M.

FeatureCore i5-660Core i7-3667U
Integrated GPU
Yes
IGPU Model
Intel HD Graphics 4000
Unlocked
No
AVX-512
No
Virtualization
true