Intel Core2 Extreme QX9300 vs Intel Core2 Extreme X9000: comparison

Comparison of Intel Core2 Extreme QX9300 and Intel Core2 Extreme X9000: key differences and a full specification table.

Key differences

Intel Core2 Extreme QX9300 has more cores (4 vs 2) and more threads (4 vs 2).

At the same time, Intel Core2 Extreme X9000 has a higher base clock (2.8 GHz vs 2.53 GHz) and a lower TDP (44 W vs 45 W).

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 Extreme QX9300Intel Core2 Extreme X9000
Cores / threads 4 / 4 2 / 2
TDP 45 W 44 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 Extreme QX9300 Intel Core2 Extreme X9000
General
Model QX9300 X9000
Codename Penryn Penryn
Segment Mobile Mobile
Product line Legacy Intel Core Processors Legacy Intel Core Processors
Process 45 nm 45 nm
Launch date Q3 2008 Q1 2008
Status Discontinued Discontinued
Servicing status End of Servicing Updates End of Servicing Updates
Embedded options available No No
CPU
Cores 4 2
Threads 4 2
Multithreading (SMT/HT) No No
Base clock 2.53 GHz 2.8 GHz
L2 cache 12 MB 6 MB
Bus speed 1.066 GHz 800 MHz
TDP 45 W 44 W
Turbo Boost No No
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
VID voltage range 1.050V-1.175V 1.000V-1.275V
FSB parity No No
Package and thermal
Sockets supported PGA478 PGA478
Package size 35mm x 35mm 35mm x 35mm
TJUNCTION 100 °C 105 °C
Die size 214 mm² 107 mm²
Transistors (millions) 820 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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