i3-3245 vs i7-975

Primary details

Comparing Core i7-975 and Core i3-3245 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1830	2138
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.10	no data
Market segment	Desktop processor	Desktop processor
Series	Core i7 (Desktop)	no data
Power efficiency	1.60	2.57
Architecture codename	Bloomfield (2008−2010)	no data
Release date	2 June 2009 (15 years ago)	1 April 2013 (11 years ago)
Launch price (MSRP)	$476	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-975 and Core i3-3245 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	8	4
Base clock speed	3.33 GHz	3.4 GHz
Boost clock speed	3.6 GHz	no data
Bus rate	1333 MHz	5 GT/s
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	8 MB (shared)	3 MB Intel® Smart Cache
Chip lithography	45 nm	22 nm
Die size	263 mm2	no data
Maximum core temperature	no data	65 °C
Maximum case temperature (TCase)	68 °C	no data
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-975 and Core i3-3245 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	1
Socket	FCLGA1366	FCLGA1155
Power consumption (TDP)	130 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-975 and Core i3-3245. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	36 Bit	no data
FDI	no data	+

Security technologies

Core i7-975 and Core i3-3245 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	no data	-
Identity Protection	-	+
Anti-Theft	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-975 and Core i3-3245 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-975 and Core i3-3245. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-1333, DDR3-1600
Maximum memory size	24 GB	32 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel HD Graphics 4000
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.05 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i7-975 and Core i3-3245 integrated GPUs.

Number of displays supported

no data

3

Peripherals

Specifications and connection of peripherals supported by Core i7-975 and Core i3-3245.

PCIe version

2.0

2.0

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.

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Pros & cons summary

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Performance score	2.28	1.55
Recency	2 June 2009	1 April 2013
Physical cores	4	2
Threads	8	4
Chip lithography	45 nm	22 nm
Power consumption (TDP)	130 Watt	55 Watt

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Should you still have questions on choice between Core i7-975 and Core i3-3245, ask them in Comments section, and we shall answer.

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