Core 2 Duo T5870 vs Core 2 Extreme QX9775

Primary details

Comparing Core 2 Extreme QX9775 and Core 2 Duo T5870 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Core 2 Duo
Architecture codename	Yorkfield (2007−2009)	Merom (2006−2008)
Release date	March 2008 (16 years ago)	1 October 2008 (15 years ago)

Detailed specifications

Core 2 Extreme QX9775 and Core 2 Duo T5870 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	3.2 GHz	2 GHz
Boost clock speed	3.2 GHz	2 GHz
Bus rate	1600 MHz	800 MHz
L1 cache	64K (per core)	no data
L2 cache	12 MB (shared)	2 MB
L3 cache	0 KB	2 MB L2 Cache
Chip lithography	45 nm	65 nm
Die size	2x 107 mm2	143 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	820 million	291 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-
VID voltage range	0.85V-1.35V	1.075V-1.175V

Compatibility

Information on Core 2 Extreme QX9775 and Core 2 Duo T5870 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	no data
Socket	LGA771	no data
Power consumption (TDP)	150 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Core 2 Duo T5870. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	-
FSB parity	-	-
Status	Discontinued	Discontinued

Security technologies

Core 2 Extreme QX9775 and Core 2 Duo T5870 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Core 2 Duo T5870 are enumerated here.

VT-x

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Core 2 Duo T5870. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

no data

Pros & cons summary

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Physical cores	4	2
Threads	4	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	150 Watt	35 Watt

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Should you still have questions on choice between Core 2 Extreme QX9775 and Core 2 Duo T5870, ask them in Comments section, and we shall answer.

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