Phenom II X4 805 vs Xeon W-2125

Primary details

Comparing Xeon W-2125 and Phenom II X4 805 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	990	2203
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.52	4.93
Market segment	Server	Desktop processor
Series	Intel Xeon W	no data
Architecture codename	Skylake (server) (2017−2019)	Deneb (2009−2011)
Release date	29 August 2017 (6 years ago)	February 2009 (15 years ago)
Launch price (MSRP)	$444	$174
Current price	$430 (1x MSRP)	$55 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2125 has 32% better value for money than Phenom II X4 805.

Detailed specifications

Xeon W-2125 and Phenom II X4 805 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	4 GHz	no data
Boost clock speed	4.5 GHz	2.5 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64K (per core)	128 KB (per core)
L2 cache	1 MB (per core)	512 KB (per core)
L3 cache	8.25 MB (shared)	4 MB (shared)
Chip lithography	14 nm	45 nm
Die size	484 mm2	258 mm2
Maximum core temperature	64 °C	no data
Maximum case temperature (TCase)	64 °C	no data
Number of transistors	no data	758 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon W-2125 and Phenom II X4 805 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	FCLGA2066	AM3
Power consumption (TDP)	120 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2125 and Phenom II X4 805. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	no data
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data
Status	Discontinued	no data

Security technologies

Xeon W-2125 and Phenom II X4 805 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	no data
Identity Protection	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2125 and Phenom II X4 805 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 W-2125 and Phenom II X4 805. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666	DDR3
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.3 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon W-2125 and Phenom II X4 805.

PCIe version	3.0	no data
PCI Express lanes	48	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.

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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.

Xeon W-2125 outperforms Phenom II X4 805 by 409% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.47	1.27
Threads	8	4
Cost	$444	$174
Chip lithography	14 nm	45 nm
Power consumption (TDP)	120 Watt	95 Watt

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Should you still have questions on choice between Xeon W-2125 and Phenom II X4 805, ask them in Comments section, and we shall answer.

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