Core 2 Extreme X7800 vs Core i3-2105

Primary details

Comparing Core i3-2105 and Core 2 Extreme X7800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2261	2581
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.11	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Core 2 Extreme
Architecture codename	Sandy Bridge (2011−2013)	Merom XE (2007)
Release date	22 May 2011 (13 years ago)	17 July 2007 (16 years ago)
Launch price (MSRP)	$145	$851
Current price	$60 (0.4x MSRP)	$299 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i3-2105 and Core 2 Extreme X7800 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	2 (Dual-core)	2 (Dual-core)
Threads	4	2
Base clock speed	3.1 GHz	2.6 GHz
Boost clock speed	3.1 GHz	2.6 GHz
Bus support	no data	800 MHz
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	4 MB
L3 cache	3 MB (shared)	4 MB L2 Cache
Chip lithography	32 nm	65 nm
Die size	no data	143 mm2
Maximum core temperature	69 °C	100 °C
Number of transistors	no data	291 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	1.1V-1.375V

Compatibility

Information on Core i3-2105 and Core 2 Extreme X7800 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	FCLGA1155	PPGA478
Power consumption (TDP)	65 Watt	44 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-2105 and Core 2 Extreme X7800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	no data
AES-NI	-	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
Demand Based Switching	no data	-
FDI	+	no data
Fast Memory Access	+	no data
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Core i3-2105 and Core 2 Extreme X7800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Identity Protection	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-2105 and Core 2 Extreme X7800 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 i3-2105 and Core 2 Extreme X7800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i3-2105 and Core 2 Extreme X7800 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i3-2105 and Core 2 Extreme X7800.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core i3-2105 outperforms Core 2 Extreme X7800 by 61% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.19	0.74
Recency	22 May 2011	17 July 2007
Threads	4	2
Cost	$145	$851
Chip lithography	32 nm	65 nm
Power consumption (TDP)	65 Watt	44 Watt

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Should you still have questions on choice between Core i3-2105 and Core 2 Extreme X7800, ask them in Comments section, and we shall answer.

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