Average Bench: 40.1% (978th of 1314)

Based on 1,241 user benchmarks.  Device: BFEBFBFF0001067A Model: Intel(R) Core(TM)2 Duo CPU T9550 @ 2.66GHz
Poor: 22%Average: 40.1% Great: 45%
Gaming 40%
Speed boat
Desktop 46%
Workstation 27%

Below average average bench

The Intel Core2 Duo T9550 averaged 59.8% 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.


Avg. Memory Latency 66.6Pts
Avg. Single Core Mixed Speed 43.6Pts

Good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Duo T9550 is 22.8%. This is a relatively narrow range which indicates that the Intel Core2 Duo T9550 performs reasonably consistently under varying real world conditions.


Avg. Multi Core Mixed Speed 82.8Pts
Avg. Octa Core Mixed Speed 83.5Pts

Average Bench

(Based on 1,241 samples)
Min Avg Max
33.7 Memory 66.6 74.1
20.4 1-Core 43.6 49.5
27.1 2-Core 81.6 96
42% 63.9 Pts
Min Avg Max
33.4 4-Core 82.5 95.8
33.4 8-Core 83.5 96.4
11.4% 83 Pts
Min Avg Max
27.6 64-Core 82.8 96.2
5.6% 82.8 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
Microprocessor, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz
Memory 73.4
1-Core 46.4
2-Core 89.7
46% 69.8 Pts
4-Core 93.3
8-Core 95.4
13% 94.4 Pts
64-Core 95.3
6% 95.3 Pts
Microprocessor, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 2.6 GHz (avg)
Memory 70.9
1-Core 48.9
2-Core 91.2
46% 70.3 Pts
4-Core 95.7
8-Core 84.8
13% 90.2 Pts
64-Core 91.7
6% 91.7 Pts
Intel(R) Genuine processor, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 1.55 GHz (avg)
Memory 73.4
1-Core 27.8
2-Core 57
38% 52.7 Pts
4-Core 56.7
8-Core 57.7
8% 57.2 Pts
64-Core 58.2
4% 58.2 Pts
U2E1, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 2.6 GHz (avg)
Memory 68.5
1-Core 47.2
2-Core 26.7
37% 47.5 Pts
4-Core 49.8
8-Core 69.5
8% 59.7 Pts
64-Core 85.2
6% 85.2 Pts
uPGA 479M, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 2.6 GHz (avg)
Memory 56.5
1-Core 47.9
2-Core 93
41% 65.8 Pts
4-Core 93.3
8-Core 94.2
13% 93.8 Pts
64-Core 93.8
6% 93.8 Pts
1,241 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 43,101,879 CPUs tested.


AmazonUS $15011 months
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Typical Core2 Duo T9550 Builds (Compare 514 builds) See popular component choices, score breakdowns and rankings.
Gaming 2%
Tree trunk
Desktop 40%
Speed boat
Workstation 2%
Tree trunk

System: Dell Latitude E6400

EDIT WITH CUSTOM PC BUILDER Value: 42% - Average Total price: $185

Popular Core2 Duo T9550 systems:

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Processor Rankings (Price vs Performance) May 2021 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. 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™2 Duo Processor T9550 (6M Cache, 2.66 GHz, 1066 MHz FSB)
Code NamePenryn
Launch DateQ4'08
Processor NumberT9550
# of Cores2
Cache6 MB L2
Instruction Set64-bit
Embedded Options AvailableNo
Lithography45 nm
VID Voltage Range1.050V-1.212V
Recommended PriceN/A
Clock Speed2.66 GHz
Bus Speed1066 MHz FSB
Max TDP35 W
FSB ParityNo

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Enhanced Intel SpeedStep® TechYes
Turbo Boost TechNo
Hyper-Threading TechNo
Demand Based SwitchingNo


Package Size35mm x 35mm
Sockets SupportedBGA479, PGA478
Processing Die Size107 mm2
# of Processing Die Transistors410 million

Platform Protection

Execute Disable BitYes
Trusted Execution TechYes


1314 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.

 Frequently Asked Questions

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