Average Bench: 38.6% (1104th of 1439)

Based on 1,427 user benchmarks.  Device: BFEBFBFF0001067A Model: Intel(R) Core(TM)2 Duo CPU T9550 @ 2.66GHz
Poor: 21%Average: 38.6% Great: 43%
Gaming 39%
Jet ski
Desktop 43%
Speed boat
Workstation 25%

Poor average bench

The Intel Core2 Duo T9550 averaged 61.4% 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 66.2Pts
Avg. Single Core Speed 35.1Pts

Good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Duo T9550 is 22.3%. 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 Speed 66.9Pts
Avg. Octa Core Speed 66.9Pts

Average Bench

(Based on 1,427 samples)
Min Avg Max
34.6 Memory 66.2 74.1
16.1 1-Core 35.1 42.2
23 2-Core 65.5 82.3
37.4% 55.6 Pts
Min Avg Max
24.6 4-Core 66.2 82.8
27.7 8-Core 66.9 82.5
8.9% 66.6 Pts
Min Avg Max
25.2 64-Core 66.9 82.2
4.1% 66.9 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
Socket 478, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
Memory 64.6
1-Core 35.9
2-Core 41.5
34% 47.3 Pts
4-Core 60
8-Core 71.2
8% 65.6 Pts
64-Core 70.1
4% 70.1 Pts
LGA775, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
Memory 58.4
1-Core 36.5
2-Core 36.5
32% 43.8 Pts
4-Core 36.8
8-Core 41.1
5% 38.9 Pts
64-Core 39
2% 39 Pts
LGA775, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
Memory 56.1
1-Core 39
2-Core 47.1
33% 47.4 Pts
4-Core 48.3
8-Core 53.2
7% 50.8 Pts
64-Core 48.9
3% 48.9 Pts
CPU, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
Memory 3.8
1-Core 37.9
2-Core 47.9
15% 29.9 Pts
4-Core 56.1
8-Core 59.7
8% 57.9 Pts
64-Core 56.7
4% 56.7 Pts
U2E1, 1 CPU, 2 cores, 2 threads
Base clock 2.65 GHz, turbo 1.55 GHz (avg)
Memory 4.81
1-Core 6.3
2-Core 9.2
4% 6.77 Pts
4-Core 8.4
8-Core 4.4
1% 6.4 Pts
64-Core 9.5
1% 9.5 Pts
1,427 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,372,555 CPUs tested


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Typical Core2 Duo T9550 Builds (Compare 18 builds) See popular component choices, score breakdowns and rankings
Gaming 2%
Tree trunk
Desktop 38%
Jet ski
Workstation 2%
Tree trunk

System: Dell Vostro 1520

EDIT WITH CUSTOM PC BUILDER Value: 41% - Average Total price: $213

Popular Core2 Duo T9550 systems:

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Processor Rankings (Price vs Performance) March 2024 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


1439 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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