Average Bench: 43.1% (429th of 1129)

Based on 1,945 user benchmarks.  Devices: BFEBFBFF00020652, BFEBFBFF00020655 Model: Intel(R) Core(TM) i5 CPU 660 @ 3.33GHz
Poor: 34%Average: 43.1% Great: 48%
Gaming 43%
Speed boat
Desktop 50%
Workstation 25%

Below average average bench

The Intel Core i5 660 averaged 56.9% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Single Core Floating Point Speed 80.7Pts
Avg. Single Core Mixed Speed 77.7Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core i5 660 is just 13.7%. This is a relatively narrow range which indicates that the Intel Core i5 660 performs reasonably consistently under varying real world conditions.


Multi Core Floating Point Speed 205Pts
Avg. Multi Core Mixed Speed 200Pts

Average Bench

(Based on 1,945 samples)
Min Avg Max
55.7 SC Int 74.7 83.7
60.5 SC Float 80.7 89.6
57.2 SC Mixed 77.7 86.4
62.1% 77.7 Pts
Min Avg Max
133 QC Int 184 203
142 QC Float 200 222
137 QC Mixed 194 215
43.6% 192 Pts
Min Avg Max
153 MC Int 189 204
158 MC Float 205 223
157 MC Mixed 200 217
29.6% 198 Pts
User Benchmarks Bench Single core Quad core Multi core
The fastest CPU (mainstream) averages a speed of 100%
CPU, 1 CPU, 2 cores, 4 threads
Base clock 3.35 GHz, turbo 3.45 GHz (avg)
SC Int 83.2
SC Float 88.9
SC Mixed 86.3
69% 86.1 Pts
QC Int 201
QC Float 220
QC Mixed 215
48% 212 Pts
MC Int 202
MC Float 217
MC Mixed 210
31% 210 Pts
CPU 1, 1 CPU, 2 cores, 4 threads
Base clock 3.35 GHz, turbo 3.45 GHz (avg)
SC Int 78.1
SC Float 88.7
SC Mixed 84.7
67% 83.8 Pts
QC Int 200
QC Float 213
QC Mixed 206
47% 206 Pts
MC Int 196
MC Float 214
MC Mixed 210
31% 207 Pts
CPU 1, 1 CPU, 2 cores, 4 threads
Base clock 3.35 GHz, turbo 3.45 GHz (avg)
SC Int 79.5
SC Float 86.3
SC Mixed 84
67% 83.3 Pts
QC Int 199
QC Float 214
QC Mixed 205
47% 206 Pts
MC Int 193
MC Float 211
MC Mixed 210
31% 205 Pts
CPU 1, 1 CPU, 2 cores, 4 threads
Base clock 3.35 GHz, turbo 3.3 GHz (avg)
SC Int 73.8
SC Float 75.7
SC Mixed 80.5
61% 76.7 Pts
QC Int 196
QC Float 204
QC Mixed 202
45% 200 Pts
MC Int 192
MC Float 209
MC Mixed 204
30% 202 Pts
CPU, 1 CPU, 2 cores, 4 threads
Base clock 3.35 GHz, turbo 3.45 GHz (avg)
SC Int 60.8
SC Float 72.9
SC Mixed 62.6
52% 65.4 Pts
QC Int 198
QC Float 204
QC Mixed 210
46% 204 Pts
MC Int 205
MC Float 216
MC Mixed 213
32% 211 Pts
LGA1156, 1 CPU, 2 cores, 4 threads
Base clock 3.35 GHz
SC Int 67.3
SC Float 83.7
SC Mixed 83.1
62% 78 Pts
QC Int 169
QC Float 164
QC Mixed 173
38% 169 Pts
MC Int 196
MC Float 204
MC Mixed 167
28% 189 Pts
1,945 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 11,526,517 CPUs tested.

Typical Core i5 660 Builds (Compare 1,533 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 41%
Speed boat
Workstation 17%

Motherboard: Dell OptiPlex 980

EDIT WITH CUSTOM PC BUILDER Value: 41% - Average Total price: $65

Popular Core i5 660 compatible motherboards:

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Processor Rankings (Price vs Performance) October 2018 CPU Rankings.

We calculate effective speed which measures real world performance for typical consumers. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.



DescriptionIntel® Core™ i5-660 Processor (4M Cache, 3.33 GHz)
Code NameClarkdale
Launch DateQ1'10
Processor Numberi5-660
# of Cores2
# of Threads4
Cache4 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsSSE4.2
Embedded Options AvailableYes
Lithography32 nm
VID Voltage Range0.6500V-1.4000V
Recommended Price$177.00 - $193.00
Clock Speed3.33 GHz
Max Turbo Frequency3.6 GHz
Bus Speed2.5 GT/s DMI
Max TDP73 W


Processor GraphicsIntel® HD Graphics
Graphics Base Frequency733 MHz
# of Displays Supported2
Clear Video HD TechYes
Flexible Display InterfaceYes


Max Memory Size16 GB
Memory TypesDDR3 1066/1333
Memory Channels2
Memory Bandwidth21 GB/s
Physical Address Extensions36-bit

Expansion Options

PCI Express Revision2.0
PCI Express Configurations1x16, 2x8
Max # of PCI Express Lanes16

Data Protection

AES New InstructionsYes

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Thermal Monitoring TechnologiesNo
Turbo Boost Tech1.0
Hyper-Threading TechYes
Virtualization for Directed I/O (VT-d)Yes
VT-x with Extended Page Tables (EPT)Yes
Demand Based SwitchingNo
vPro TechYes


Package Size37.5mm x 37.5mm
Graphics and IMC Lithography45 nm
Max CPU Configuration1
Sockets SupportedFCLGA1156
Processing Die Size81 mm2
# of Processing Die Transistors382 million
Graphics and IMC Die Size114 mm2
# of Graphics and IMC Die Transistors177 million

Platform Protection

Execute Disable BitYes
Trusted Execution TechYes


Added n/a ago.

Excellent (edit your comment) Add link

2 months ago.

works flawlessly and has intel hd graphics so its amazing for productivity and if you pair it with a gt1030 or gtx1050 its going to wreck any game before 2016-ish


10 months ago.


1129 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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