Intel Core2 Duo T9900 vs Intel Core2 Quad Q9000: comparison

Comparison of Intel Core2 Duo T9900 and Intel Core2 Quad Q9000: key differences and a full specification table.

Key differences

Intel Core2 Duo T9900 has a higher base clock (3.06 GHz vs 2 GHz) and a lower TDP (35 W vs 45 W).

At the same time, Intel Core2 Quad Q9000 has more cores (4 vs 2) and more threads (4 vs 2).

Both processors match on: process node (45 nm).

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 T9900Intel Core2 Quad Q9000
Cores / threads 2 / 2 4 / 4
TDP 35 W 45 W
Process 45 nm 45 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 T9900 Intel Core2 Quad Q9000
General
Model T9900 Q9000
Codename Penryn Penryn
Segment Mobile Mobile
Product line Legacy Intel Core Processors Legacy Intel Core Processors
Process 45 nm 45 nm
Launch date Q2 2009 Q1 2009
Status Discontinued Discontinued
Servicing status End of Servicing Updates End of Servicing Updates
Embedded options available No No
CPU
Cores 2 4
Threads 2 4
Multithreading (SMT/HT) No No
Base clock 3.06 GHz 2 GHz
L2 cache 6 MB 6 MB
Bus speed 1.066 GHz 1.066 GHz
TDP 35 W 45 W
Turbo Boost No No
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
VID voltage range 1.050V-1.2125V 1.050V-1.175V
FSB parity — No
Package and thermal
Sockets supported BGA479, PGA478 PGA478
Package size 35mm 35mm x 35mm
TJUNCTION 105 °C 100 °C
Die size 107 mm² 107 mm²
Transistors (millions) 410 million 410 million
Security and virtualization
Virtualization (VT-x / AMD-V) Yes Yes
Execute Disable Bit Yes Yes
Technologies
Enhanced SpeedStep Yes Yes

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