Core 2 Extreme QX6700 vs Xeon E5-2670 v3

Primary details

Comparing Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	878	2241
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.92	no data
Market segment	Server	Desktop processor
Series	Intel Xeon E5	Core 2 Extreme (Desktop)
Power efficiency	6.74	0.97
Architecture codename	Haswell-EP (2014−2015)	Kentsfield (2007)
Release date	8 September 2014 (10 years ago)	no data (2024 years ago)
Launch price (MSRP)	$1,589	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	4
Base clock speed	2.3 GHz	no data
Boost clock speed	3.1 GHz	2.67 GHz
Bus type	QPI	no data
Bus rate	2 × 9.6 GT/s	1066 MHz
Multiplier	23	no data
L1 cache	64K (per core)	no data
L2 cache	3 MB	no data
L3 cache	30 MB (shared)	no data
Chip lithography	22 nm	65 nm
Die size	306.18 mm2	no data
Maximum core temperature	85 °C	no data
Number of transistors	4700 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700 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 (Multiprocessor)	no data
Socket	FCLGA2011	no data
Power consumption (TDP)	120 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data

Security technologies

Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	no data
Maximum memory size	768 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	68 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2670 v3 and Core 2 Extreme (Desktop) QX6700.

PCIe version	3.0	no data
PCI Express lanes	40	no data

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.

---

Pros & cons summary

---

Performance score	8.87	1.38
Physical cores	12	4
Threads	24	4
Chip lithography	22 nm	65 nm
Power consumption (TDP)	120 Watt	130 Watt

---

Should you still have questions on choice between Xeon E5-2670 v3 and Core 2 Extreme QX6700, 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.

---