Xeon E3-1245 vs W3670

General info

Comparing Xeon W3670 and Xeon E3-1245 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1284	1436
Place by popularity	not in top-100	not in top-100
Value for money	0.62	0.93
Market segment	Server	Server
Architecture codename	Gulftown (2010−2011)	Sandy Bridge (2011−2013)
Release date	29 August 2010 (13 years old)	3 April 2011 (13 years old)
Launch price (MSRP)	$295	$350
Current price	$678 (2.3x MSRP)	$303 (0.9x MSRP)

Value for money

Performance per price, higher is better.

Xeon E3-1245 has 50% better value for money than Xeon W3670.

Technical specs

Xeon W3670 and Xeon E3-1245 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	8
Base clock speed	3.2 GHz	3.3 GHz
Boost clock speed	3.46 GHz	3.7 GHz
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)	8 MB (shared)
Chip lithography	32 nm	32 nm
Die size	239 mm2	216 mm2
Maximum core temperature	68 °C	73 °C
Number of transistors	1,170 million	1,160 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon W3670 and Xeon E3-1245 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	LGA1155
Power consumption (TDP)	130 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3670 and Xeon E3-1245. 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
AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Demand Based Switching	+	+
PAE	36 Bit	no data
FDI	no data	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Xeon W3670 and Xeon E3-1245 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 W3670 and Xeon E3-1245 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3670 and Xeon E3-1245. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	24 GB	32 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	21 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD P3000
Quick Sync Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.35 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon W3670 and Xeon E3-1245 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Xeon W3670 and Xeon E3-1245.

PCIe version	2.0	2.0
PCI Express lanes	no data	20

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.

W3670 outperforms E3-1245 by 20% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	4.20	3.49
Recency	29 August 2010	3 April 2011
Physical cores	6	4
Threads	12	8
Cost	$295	$350
Power consumption (TDP)	130 Watt	95 Watt

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Should you still have questions on choice between Xeon W3670 and Xeon E3-1245, ask them in Comments section, and we shall answer.

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