Intel Xeon X5647 vs E3-1220 v2

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Combined performance score

Xeon E3-1220 v2
3.04
+5.2%

E3-1220 v2 outperforms X5647 by 5% in our combined benchmark results.

General info

Comparing Xeon E3-1220 v2 and Xeon X5647 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking15121539
Place by popularitynot in top-100not in top-100
Value for money7.120.83
Market segmentServerServer
Architecture codenameIvy Bridge (2012−2013)Westmere-EP (2010−2011)
Release date14 May 2012 (11 years old)14 February 2011 (13 years old)
Launch price (MSRP)$220$175
Current price$50 (0.2x MSRP)$221 (1.3x MSRP)
Value for money

Performance per price, higher is better.

Xeon E3-1220 v2 has 758% better value for money than Xeon X5647.

Technical specs

Xeon E3-1220 v2 and Xeon X5647 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 cores4 (Quad-Core)4 (Quad-Core)
Threads48
Base clock speed3.1 GHz2.93 GHz
Boost clock speed3.5 GHz3.2 GHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache8 MB (shared)12 MB (shared)
Chip lithography22 nm32 nm
Die size160 mm2239 mm2
Maximum core temperatureno data80 °C
Number of transistors1,400 million1,170 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Xeon E3-1220 v2 and Xeon X5647 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 configuration12
SocketFCLGA1155FCLGA1366,LGA1366
Power consumption (TDP)69 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1220 v2 and Xeon X5647. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.2
AES-NI++
AVX+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.01.0
Hyper-Threading Technology-+
TSX-no data
Idle States++
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching++
PAEno data40 Bit
Fast Memory Access+no data
StatusDiscontinuedDiscontinued

Security technologies

Xeon E3-1220 v2 and Xeon X5647 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 Xeon E3-1220 v2 and Xeon X5647 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1220 v2 and Xeon X5647. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32.77 GB288 GB
Max memory channels23
Maximum memory bandwidth25.6 GB/s25.6 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1220 v2 and Xeon X5647.

PCIe version3.02.0

Synthetic benchmark performance

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


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.

Xeon E3-1220 v2 3.04
+5.2%
Xeon X5647 2.89

E3-1220 v2 outperforms X5647 by 5% in our combined benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Xeon E3-1220 v2 4662
+5%
Xeon X5647 4441

E3-1220 v2 outperforms X5647 by 5% in Passmark.

Gaming performance

Advantages and disadvantages


Performance score 3.04 2.89
Recency 14 May 2012 14 February 2011
Threads 4 8
Cost $220 $175
Chip lithography 22 nm 32 nm
Power consumption (TDP) 69 Watt 130 Watt

We couldn't decide between Xeon E3-1220 v2 and Xeon X5647. The differences in performance seem too small.


Should you still have questions on choice between Xeon E3-1220 v2 and Xeon X5647, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon E3-1220 v2
Xeon E3-1220 v2
Intel Xeon X5647
Xeon X5647

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