A10-7800 vs Xeon W-2155

Primary details

Comparing Xeon W-2155 and A10-7800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	557	1909
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.71	no data
Market segment	Server	Desktop processor
Series	Intel Xeon W	no data
Power efficiency	8.97	2.95
Architecture codename	Skylake (server) (2017−2019)	Kaveri (2014−2015)
Release date	29 August 2017 (7 years ago)	31 July 2014 (10 years ago)
Launch price (MSRP)	$1,440	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-2155 and A10-7800 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	10 (Deca-Core)	4 (Quad-Core)
Threads	20	4
Base clock speed	3.3 GHz	3.5 GHz
Boost clock speed	4.5 GHz	3.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	no data
L1 cache	640 KB	256 KB
L2 cache	10 MB	4096 KB
L3 cache	13.75 MB (shared)	no data
Chip lithography	14 nm	28 nm
Die size	484 mm2	245 mm2
Maximum core temperature	no data	71 °C
Maximum case temperature (TCase)	68 °C	74 °C
Number of transistors	no data	2,411 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-2155 and A10-7800 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	FCLGA2066	FM2+
Power consumption (TDP)	140 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2155 and A10-7800. 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	+	+
FMA	-	+
AVX	+	+
FRTC	-	+
FreeSync	-	+
DualGraphics	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
Out-of-band client management	-	+
VirusProtect	-	+
HSA	-	+
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	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon W-2155 and A10-7800 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2155 and A10-7800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2155 and A10-7800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666	DDR3-2133
Maximum memory size	512 GB	no data
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	AMD Radeon R7 Graphics
iGPU core count	no data	8
Number of pipelines	no data	512
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Xeon W-2155 and A10-7800 integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Xeon W-2155 and A10-7800 integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-2155 and A10-7800.

PCIe version	3.0	3.0
PCI Express lanes	48	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.

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Pros & cons summary

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Performance score	13.77	2.10
Recency	29 August 2017	31 July 2014
Physical cores	10	4
Threads	20	4
Chip lithography	14 nm	28 nm
Power consumption (TDP)	140 Watt	65 Watt

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Should you still have questions on choice between Xeon W-2155 and A10-7800, ask them in Comments section, and we shall answer.

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