Intel Core2 Duo T9550 vs Intel Core2 Duo T5800: comparison

Comparison of Intel Core2 Duo T9550 and Intel Core2 Duo T5800: key differences and a full specification table.

Key differences

Intel Core2 Duo T9550 has a higher base clock (2.66 GHz vs 2 GHz) and a finer process node (45 nm vs 65 nm).

Both processors match on: core count (2), thread count (2), TDP (35 W).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterIntel Core2 Duo T9550Intel Core2 Duo T5800
Cores / threads 2 / 2 2 / 2
TDP 35 W 35 W
Process 45 nm 65 nm

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter Intel Core2 Duo T9550 Intel Core2 Duo T5800
General
Model T9550 T5800
Codename Penryn Merom
Segment Mobile Mobile
Product line Legacy Intel Core Processors Legacy Intel Core Processors
Process 45 nm 65 nm
Launch date Q4 2008 Q4 2008
Status Discontinued Discontinued
Servicing status End of Servicing Updates End of Servicing Updates
Embedded options available No No
CPU
Cores 2 2
Threads 2 2
Multithreading (SMT/HT) No No
Base clock 2.66 GHz 2 GHz
L2 cache 6 MB 2 MB
Bus speed 1.066 GHz 800 MHz
TDP 35 W 35 W
Turbo Boost No No
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
VID voltage range 1.050V-1.212V 1.075V-1.175V
FSB parity No No
Package and thermal
Sockets supported BGA479, PGA478 PPGA478
Package size 35mm x 35mm 35mm x 35mm
TJUNCTION 105 °C 85 °C
Die size 107 mm² 143 mm²
Transistors (millions) 410 million 291 million
Security and virtualization
Virtualization (VT-x / AMD-V) Yes No
Execute Disable Bit Yes Yes
Technologies
Enhanced SpeedStep Yes Yes

Other comparisons