Xeon E3-1220L v3 vs i7-950

Primary details

Comparing Core i7-950 and Xeon E3-1220L v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1918	2558
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.17	no data
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	no data
Power efficiency	1.48	5.26
Architecture codename	Bloomfield (2008−2010)	Haswell-WS (2013−2014)
Release date	2 June 2009 (15 years ago)	2 June 2013 (11 years ago)
Launch price (MSRP)	$290	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-950 and Xeon E3-1220L v3 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	3.06 GHz	1.1 GHz
Boost clock speed	3.33 GHz	1.5 GHz
Bus rate	1333 MHz	5 GT/s
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8 MB (shared)	4096 KB (shared)
Chip lithography	45 nm	22 nm
Die size	263 mm2	160 mm2
Maximum core temperature	68 °C	no data
Number of transistors	731 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-950 and Xeon E3-1220L v3 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	FCLGA1150
Power consumption (TDP)	130 Watt	13 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-950 and Xeon E3-1220L v3. 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® AVX2
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
SIPP	-	+
Demand Based Switching	-	no data
PAE	36 Bit	no data
Fast Memory Access	no data	+

Security technologies

Core i7-950 and Xeon E3-1220L v3 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-950 and Xeon E3-1220L v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-950 and Xeon E3-1220L v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	24 GB	32 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-950 and Xeon E3-1220L v3.

PCIe version	2.0	3.0
PCI Express lanes	no data	16

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	2.03	0.89
Recency	2 June 2009	2 June 2013
Physical cores	4	2
Threads	8	4
Chip lithography	45 nm	22 nm
Power consumption (TDP)	130 Watt	13 Watt

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Should you still have questions on choice between Core i7-950 and Xeon E3-1220L v3, ask them in Comments section, and we shall answer.

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