Xeon X3450 vs Athlon X4 840

Primary details

Comparing Athlon X4 840 and Xeon X3450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1758	1888
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.38	0.45
Market segment	Desktop processor	Server
Series	4x Athlon	no data
Architecture codename	Kaveri (2014−2015)	no data
Release date	August 2014 (9 years ago)	1 July 2009 (14 years ago)
Current price	$23	$152

Cost-effectiveness evaluation

Performance per price, higher is better.

Athlon X4 840 has 1540% better value for money than Xeon X3450.

Detailed specifications

Athlon X4 840 and Xeon X3450 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	4	8
Base clock speed	3.1 GHz	2.66 GHz
Boost clock speed	3.8 GHz	3.2 GHz
L1 cache	256K	no data
L2 cache	4 MB	no data
L3 cache	no data	8 MB Intel® Smart Cache
Chip lithography	28 nm	45 nm
Die size	245 mm2	no data
Maximum core temperature	no data	73 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Athlon X4 840 and Xeon X3450 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	Socket FM2+	FCLGA1156,LGA1156
Power consumption (TDP)	65 watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Xeon X3450. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2
AES-NI	+	-
FMA	+	no data
AVX	+	no data
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	1.0
Hyper-Threading Technology	no data	+
Idle States	no data	+
Thermal Monitoring	no data	-
Demand Based Switching	no data	+
PAE	no data	36 Bit
Status	no data	Discontinued

Security technologies

Athlon X4 840 and Xeon X3450 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and Xeon X3450 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and Xeon X3450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-800, DDR3-1066, DDR3-1333
Maximum memory size	no data	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and Xeon X3450.

PCIe version	3.0	2.0
PCI Express lanes	16	16

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.

Athlon X4 840 outperforms Xeon X3450 by 17% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	2.15	1.84
Recency	on August 2014	1 July 2009
Threads	4	8
Chip lithography	28 nm	45 nm
Power consumption (TDP)	65 Watt	95 Watt

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Should you still have questions on choice between Athlon X4 840 and Xeon X3450, ask them in Comments section, and we shall answer.

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