Xeon E5502 vs Core 2 Extreme QX9775

Primary details

Comparing Core 2 Extreme QX9775 and Xeon E5502 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2855
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	no data	0.63
Architecture codename	Yorkfield (2007−2009)	Gainestown (2009−2010)
Release date	March 2008 (16 years ago)	30 March 2009 (15 years ago)
Launch price (MSRP)	no data	$95

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Extreme QX9775 and Xeon E5502 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	1.86 GHz
Boost clock speed	3.2 GHz	1.87 GHz
Bus rate	1600 MHz	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	12 MB (shared)	256 KB (per core)
L3 cache	0 KB	4 MB (shared)
Chip lithography	45 nm	45 nm
Die size	2x 107 mm2	263 mm2
Maximum core temperature	no data	76 °C
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	820 million	731 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Core 2 Extreme QX9775 and Xeon E5502 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	2
Socket	LGA771	FCLGA1366,PLGA1366
Power consumption (TDP)	150 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Xeon E5502. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	-
Demand Based Switching	-	+
PAE	no data	40 Bit
FSB parity	-	no data

Security technologies

Core 2 Extreme QX9775 and Xeon E5502 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 Xeon E5502 are enumerated here.

VT-d	no data	+
VT-x	+	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Xeon E5502. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR3
Maximum memory size	no data	144 GB
Max memory channels	no data	3
Maximum memory bandwidth	no data	19.2 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Xeon E5502.

PCIe version

no data

2.0

Pros & cons summary

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Physical cores	4	2
Threads	4	2
Power consumption (TDP)	150 Watt	80 Watt

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Should you still have questions on choice between Core 2 Extreme QX9775 and Xeon E5502, ask them in Comments section, and we shall answer.

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