Turion II Neo K645 vs Xeon E5-2620 v4

Primary details

Comparing Xeon E5-2620 v4 and Turion II Neo K645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1115	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.36	no data
Market segment	Server	Laptop
Series	Intel Xeon E5	AMD Turion II Neo
Power efficiency	6.48	no data
Architecture codename	Broadwell (2015−2019)	Geneva (2010)
Release date	20 June 2016 (8 years ago)	15 December 2010 (13 years ago)
Launch price (MSRP)	$417	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2620 v4 and Turion II Neo K645 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	2
Base clock speed	2.1 GHz	no data
Boost clock speed	3 GHz	1.6 GHz
Bus type	QPI	no data
Bus rate	2 × 8 GT/s	3200 MHz
Multiplier	21	no data
L2 cache	2 MB	1 MB
L3 cache	20 MB	no data
Chip lithography	14 nm	45 nm
Die size	246.24 mm2	no data
Maximum core temperature	74 °C	no data
Number of transistors	3200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2620 v4 and Turion II Neo K645 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	S1
Power consumption (TDP)	85 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2620 v4 and Turion II Neo K645. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2620 v4 and Turion II Neo K645 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 E5-2620 v4 and Turion II Neo K645 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 E5-2620 v4 and Turion II Neo K645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	no data
Maximum memory size	1.5 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	68.3 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2620 v4 and Turion II Neo K645.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Recency	20 June 2016	15 December 2010
Physical cores	8	2
Threads	16	2
Chip lithography	14 nm	45 nm
Power consumption (TDP)	85 Watt	15 Watt

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