Phenom II X4 945 (125W) vs Xeon D-1520

Primary details

Comparing Xeon D-1520 and Phenom II X4 945 (125W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1621	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.75	no data
Market segment	Server	Desktop processor
Series	Intel Xeon D	no data
Power efficiency	6.52	no data
Architecture codename	Broadwell (2015−2019)	Deneb (2009−2011)
Release date	9 March 2015 (9 years ago)	23 April 2009 (15 years ago)
Launch price (MSRP)	$199	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-1520 and Phenom II X4 945 (125W) 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	4 (Quad-Core)	4 (Quad-Core)
Threads	8	4
Base clock speed	2.2 GHz	3 GHz
Boost clock speed	2.6 GHz	3 GHz
Bus type	DMI 2.0	no data
Multiplier	22	no data
L1 cache	64K (per core)	128 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	1.5 MB (per core)	6 MB (shared)
Chip lithography	14 nm	45 nm
Die size	246.24 mm2	258 mm2
Maximum case temperature (TCase)	80 °C	no data
Number of transistors	3,200 million	758 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon D-1520 and Phenom II X4 945 (125W) 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 (Uniprocessor)	1
Socket	FCBGA1667	AM3
Power consumption (TDP)	45 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1520 and Phenom II X4 945 (125W). You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
GPIO	+	no data

Security technologies

Xeon D-1520 and Phenom II X4 945 (125W) 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 D-1520 and Phenom II X4 945 (125W) are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1520 and Phenom II X4 945 (125W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	34.124 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon D-1520 and Phenom II X4 945 (125W).

PCIe version	2.0/3.0	2.0
PCI Express lanes	24	no data
USB revision	2.0/3.0	no data
Total number of SATA ports	6	no data
Number of USB ports	8	no data
Integrated LAN	+	no data
UART	+	no data

Pros & cons summary

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Recency	9 March 2015	23 April 2009
Threads	8	4
Chip lithography	14 nm	45 nm
Power consumption (TDP)	45 Watt	125 Watt

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Should you still have questions on choice between Xeon D-1520 and Phenom II X4 945 (125W), ask them in Comments section, and we shall answer.

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