Xeon E5420 vs A10 PRO-7850B

Primary details

Comparing A10 PRO-7850B and Xeon E5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1855	2296
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	2.16	1.49
Architecture codename	Kaveri (2014−2015)	no data
Release date	31 July 2014 (10 years ago)	1 October 2007 (17 years ago)

Detailed specifications

A10 PRO-7850B and Xeon E5420 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)	no data
Threads	4	no data
Base clock speed	3.7 GHz	2.5 GHz
Boost clock speed	4 GHz	no data
L1 cache	256 KB	no data
L2 cache	4096 KB	no data
L3 cache	no data	12 MB L2 Cache
Chip lithography	28 nm	45 nm
Die size	245 mm2	no data
Maximum core temperature	72 °C	67 °C
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	-
VID voltage range	no data	0.85V-1.35V

Compatibility

Information on A10 PRO-7850B and Xeon E5420 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	no data
Socket	FM2+	LGA771
Power consumption (TDP)	95 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A10 PRO-7850B and Xeon E5420. You'll probably need this information if you require some particular technology.

AES-NI	+	-
FMA	+	-
AVX	+	-
PowerTune	+	-
DualGraphics	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
RAID	+	-
HSA	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
Idle States	no data	+
Thermal Monitoring	-	+
Demand Based Switching	no data	+
FSB parity	no data	+

Security technologies

A10 PRO-7850B and Xeon E5420 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 A10 PRO-7850B and Xeon E5420 are enumerated here.

AMD-V	+	-
VT-x	no data	+
EPT	no data	-
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A10 PRO-7850B and Xeon E5420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 Graphics	no data
iGPU core count	8	no data
จำนวนพาธไลน์	512	no data
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A10 PRO-7850B and Xeon E5420 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A10 PRO-7850B and Xeon E5420 integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 12

no data

Peripherals

Specifications and connection of peripherals supported by A10 PRO-7850B and Xeon E5420.

PCIe version	3.0	no data
PCI Express lanes	16	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.

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Pros & cons summary

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Performance score	2.18	1.27
Recency	31 July 2014	1 October 2007
Chip lithography	28 nm	45 nm
Power consumption (TDP)	95 Watt	80 Watt

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Should you still have questions on choice between A10 PRO-7850B and Xeon E5420, ask them in Comments section, and we shall answer.

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