Iris Pro Graphics P580 vs i7-940

Primary details

Comparing Core i7-940 and Iris Pro Graphics P580 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1999	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.24	no data
Market segment	Desktop processor	Laptop
Series	Core i7 (Desktop)	Intel Iris Graphics
Power efficiency	1.35	no data
Architecture codename	Bloomfield (2008−2010)	Gen9
Release date	November 2008 (16 years ago)	no data
Launch price (MSRP)	$299	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-940 and Iris Pro Graphics P580 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)	no data
Threads	8	no data
Base clock speed	2.93 GHz	no data
Boost clock speed	3.2 GHz	0.35 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	8 MB (shared)	no data
Chip lithography	45 nm	14 nm0.014 μm 1.4e-5 mm
Die size	263 mm2	no data
Maximum core temperature	68 °C	no data
Number of transistors	731 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-940 and Iris Pro Graphics P580 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	FCLGA1366	no data
Power consumption (TDP)	130 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-940 and Iris Pro Graphics P580. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	-	no data
PAE	36 Bit	no data

Security technologies

Core i7-940 and Iris Pro Graphics P580 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-940 and Iris Pro Graphics P580 are enumerated here.

VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-940 and Iris Pro Graphics P580. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	24 GB	65,536 MB 67,108,864 KB 68,719,476,736 B 0.0625 TiB 64 GB
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data

Pros & cons summary

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Chip lithography

45 nm

14 nm

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Should you still have questions on choice between Core i7-940 and Iris Pro Graphics P580, ask them in Comments section, and we shall answer.

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