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Intel Core2 Duo T9550 @ 2.66GHz

Benchmarks for the Intel Core2 Duo T9550 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

  • The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
  • The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
  • The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the Intel Core2 Duo T9550 @ 2.66GHz Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

Intel Core2 Duo T9550 @ 2.66GHz

Description:

Class: Laptop

Socket: BGA479

Clockspeed: 2.7 GHz

Cores: 2 Threads: 2

Typical TDP: 35 W

Cache per CPU Package:
L1 Instruction Cache: 2 x 32 KB
L1 Data Cache: 2 x 32 KB
L2 Cache: 1 x 6144 KB

Other names: Intel(R) Core(TM)2 Duo CPU T9550 @ 2.66GHz, Intel(R) Core(TM)2 CPU T9550 @ 2.66GHz, Intel(R) Core(TM)2 Duo CPU T9550 @ 2.66GHz

CPU First Seen on Charts: Q1 2009

CPUmark/$Price: 3.31

Overall Rank:
4465th fastest in multithreading out of 5775 CPUs
3611th fastest in single threading out of 5775 CPUs
1073rd fastest in out of 1609 Laptop CPUs

Last Price Change: $298.95 USD (2011-05-20)

Average CPU Mark rating
Multithread Rating
989
Single Thread Rating
1072
%
Samples: 335*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 1,775
Thread: 1,024
%Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Test Suite Average Results for Intel Core2 Duo T9550 @ 2.66GHz

Integer Math4,115 MOps/Sec
Floating Point Math2,304 MOps/Sec
Find Prime Numbers8 Million Primes/Sec
Random String Sorting2,876 Thousand Strings/Sec
Data Encryption263.1 MBytes/Sec
Data Compression20,628 KBytes/Sec
Physics135 Frames/Sec
Extended Instructions345 Million Matrices/Sec
Single Thread1,072 MOps/Sec
From submitted results to PerformanceTest V10 as of 6th of February 2026.

CPU Mark Distribution for Intel Core2 Duo T9550 @ 2.66GHz

Submitted Baseline Distribution Graph as of 5th of February 2026
From submitted results since PerformanceTest V10 as of 5th of February 2026.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

Search for Intel Core2 Duo T9550 @ 2.66GHz
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CPU Mark Relative to Top 10 Common Laptop CPUs
As of 7th of February 2026 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i7-12700H
25,270
Apple M4 10 Core
23,704
AMD Ryzen 7 5800H
20,632
Intel Core i7-11800H @ 2.30GHz
19,772
AMD Ryzen 7 4800H
18,015
AMD Ryzen 5 5600H
16,485
Apple M2 8 Core 3500 MHz
15,641
Apple M1 8 Core 3200 MHz
14,133
Intel Core i7-9750H @ 2.60GHz
10,601
Intel Core i5-1135G7 @ 2.40GHz
9,395
Intel Core2 Duo T9550 @ 2.66GHz
989
CPU Value (CPU Mark / $Price )
As of 7th of February 2026 - Higher results represent better value
Processor CPU Mark / $Price
Intel Core i7-12700H
55.29
Intel Core i7-11800H @ 2.30GHz
50.06
Intel Core i5-1135G7 @ 2.40GHz
30.40
Intel Core i7-9750H @ 2.60GHz
11.04
Intel Core2 Duo T9550 @ 2.66GHz
3.31
Apple M1 8 Core 3200 MHz
NA
Apple M2 8 Core 3500 MHz
NA
Apple M4 10 Core
NA
AMD Ryzen 7 5800H
NA
AMD Ryzen 5 5600H
NA
AMD Ryzen 7 4800H
NA
Single Thread Rating
As of 7th of February 2026 - Higher results represent better performance
Processor Average Thread Rating
Apple M4 10 Core
4,516
Apple M2 8 Core 3500 MHz
3,886
Apple M1 8 Core 3200 MHz
3,676
Intel Core i7-12700H
3,506
Intel Core i7-11800H @ 2.30GHz
3,024
AMD Ryzen 7 5800H
3,004
AMD Ryzen 5 5600H
2,888
Intel Core i5-1135G7 @ 2.40GHz
2,616
AMD Ryzen 7 4800H
2,588
Intel Core i7-9750H @ 2.60GHz
2,392
Intel Core2 Duo T9550 @ 2.66GHz
1,072
Last 5 Baselines for Intel Core2 Duo T9550 @ 2.66GHz
Most recent listed first
Baseline CPU Mark
BL3212776 - Jan 14 2026
1022
BL2505067 - Mar 24 2025
1093
BL2456688 - Mar 04 2025
1076
BL2353475 - Jan 19 2025
1184
BL2342970 - Jan 14 2025
1180
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for Intel Core2 Duo T9550 @ 2.66GHz
As of 7th of February 2026 - Higher results represent better performance
Processor Average CPU Mark
Intel Core2 Duo T9550 @ 2.66GHz
989
Intel Core2 Duo P8400 @ 2.26GHz vs Intel Core2 Duo T9550
866 (-12.5%)
Intel Core2 Duo SP9400 @ 2.40GHz vs Intel Core2 Duo T9550
887 (-10.4%)
Intel Core2 Duo P7550 @ 2.26GHz vs Intel Core2 Duo T9550
803 (-18.9%)
Intel Celeron N3350 @ 1.10GHz vs Intel Core2 Duo T9550
1,112 (+12.4%)
AMD Turion X2 Dual-Core Mobile RM-72 vs Intel Core2 Duo T9550
656 (-33.7%)
Intel Core2 Duo T9900 @ 3.06GHz vs Intel Core2 Duo T9550
1,213 (+22.6%)
Intel Core2 Duo T9800 @ 2.93GHz vs Intel Core2 Duo T9550
1,186 (+19.9%)
Intel Core2 Duo P8700 @ 2.53GHz vs Intel Core2 Duo T9550
966 (-2.4%)
Intel Celeron 3205U @ 1.50GHz vs Intel Core2 Duo T9550
956 (-3.4%)
Intel Core2 Duo P8600 @ 2.40GHz vs Intel Core2 Duo T9550
863 (-12.8%)
Intel Core2 Duo T7500 @ 2.20GHz vs Intel Core2 Duo T9550
827 (-16.4%)
Intel Core2 Duo T6600 @ 2.20GHz vs Intel Core2 Duo T9550
806 (-18.5%)

Is the Intel Core2 Duo T9550 @ 2.66GHz Good for Gaming?
As of 7th of February 2026 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9955HX3D
9,756
Intel Core Ultra 9 285HX
9,429
Intel Core Ultra 9 275HX
8,998
Intel Core Ultra 5 235HX
8,984
Intel Core Ultra 7 255HX
7,920
Intel Core Ultra 7 265HX
7,865
Intel Core Ultra 7 265H
7,771
Intel Core Ultra X9 388H
7,303
AMD Ryzen 9 9850HX
7,301
AMD RYZEN AI MAX+ 392
7,148
Intel Core i9-14900HX
6,906
AMD Ryzen AI Max Pro 390
6,747
Intel Core2 Duo T9550 @ 2.66GHz
206