Xeon E5420 vs FX-8800P

Primary details

Comparing FX-8800P and Xeon E5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2006	2277
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	AMD Carrizo	no data
Power efficiency	11.31	1.50
Architecture codename	Carrizo (2015−2018)	no data
Release date	2 June 2015 (9 years ago)	1 October 2007 (17 years ago)

Detailed specifications

FX-8800P 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	2.1 GHz	2.5 GHz
Boost clock speed	3.4 GHz	no data
L2 cache	2048 KB	no data
L3 cache	no data	12 MB L2 Cache
Chip lithography	28 nm	45 nm
Die size	250 mm2	no data
Maximum core temperature	90 °C	67 °C
Number of transistors	3,100 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	0.85V-1.35V

Compatibility

Information on FX-8800P 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	FP4	LGA771
Power consumption (TDP)	15 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8800P and Xeon E5420. You'll probably need this information if you require some particular technology.

Instruction set extensions	HSA 1.0	no data
AES-NI	+	-
FMA	+	-
AVX	+	-
FRTC	+	-
FreeSync	+	-
DualGraphics	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
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

FX-8800P 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 FX-8800P 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 FX-8800P 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
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of FX-8800P and Xeon E5420 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by FX-8800P and Xeon E5420 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by FX-8800P and Xeon E5420.

PCIe version	3.0	no data
PCI Express lanes	8	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	1.86	1.32
Recency	2 June 2015	1 October 2007
Chip lithography	28 nm	45 nm
Power consumption (TDP)	15 Watt	80 Watt

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Should you still have questions on choice between FX-8800P and Xeon E5420, ask them in Comments section, and we shall answer.

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