Xeon E3-1220 v3 vs X5670

Primary details

Comparing Xeon X5670 and Xeon E3-1220 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1371	1495
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.06	2.23
Market segment	Server	Server
Series	Xeon (Desktop)	no data
Architecture codename	Westmere-EP (2010−2011)	Haswell-WS (2013)
Release date	16 March 2010 (14 years ago)	2 June 2013 (11 years ago)
Launch price (MSRP)	$67	$239
Current price	$45 (0.7x MSRP)	$61 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1220 v3 has 110% better value for money than Xeon X5670.

Detailed specifications

Xeon X5670 and Xeon E3-1220 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	4
Base clock speed	2.93 GHz	3.1 GHz
Boost clock speed	3.33 GHz	3.5 GHz
Bus support	6400 MHz	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	12 MB (shared)	8192 KB (shared)
Chip lithography	32 nm	22 nm
Die size	239 mm2	160 mm2
Maximum core temperature	81 °C	no data
Number of transistors	1,170 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon X5670 and Xeon E3-1220 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	2	1
Socket	FCLGA1366,LGA1366	FCLGA1150
Power consumption (TDP)	95 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5670 and Xeon E3-1220 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	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	-
TSX	no data	+
Idle States	+	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
SIPP	no data	+
Demand Based Switching	+	no data
PAE	40 Bit	no data
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Xeon X5670 and Xeon E3-1220 v3 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5670 and Xeon E3-1220 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5670 and Xeon E3-1220 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	288 GB	32 GB
Max memory channels	3	2
Maximum memory bandwidth	32 GB/s	25.6 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon X5670 and Xeon E3-1220 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.

---

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.

X5670 outperforms E3-1220 v3 by 17% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	3.94	3.37
Recency	16 March 2010	2 June 2013
Physical cores	6	4
Threads	12	4
Cost	$67	$239
Chip lithography	32 nm	22 nm
Power consumption (TDP)	95 Watt	80 Watt

---

Should you still have questions on choice between Xeon X5670 and Xeon E3-1220 v3, ask them in Comments section, and we shall answer.

Vote for your favorite

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

---