PRO A8-8650B vs i9-7940X

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	556	2183
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.30	no data
Market segment	Desktop processor	Desktop processor
Series	Intel Core i9	no data
Power efficiency	9.38	3.02
Designer	Intel	AMD
Manufacturer	Intel	GlobalFoundries
Architecture codename	Skylake (server) (2017−2018)	Godaveri (2014−2016)
Release date	1 September 2017 (8 years ago)	29 September 2015 (10 years ago)
Launch price (MSRP)	$1,399	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Core i9-7940X and PRO A8-8650B 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	14 (Tetradeca-Core)	4 (Quad-Core)
Threads	28	4
Base clock speed	3.1 GHz	3.2 GHz
Boost clock speed	4.4 GHz	3.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	no data
L2 cache	1 MB (per core)	4096 KB
L3 cache	19.25 MB (shared)	no data
Chip lithography	14 nm	28 nm
Die size	484 mm2	245 mm2
Maximum core temperature	102 °C	71 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	no data	2,411 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7940X and PRO A8-8650B 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)	165 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and PRO A8-8650B. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
FRTC	-	+
FreeSync	-	+
PowerTune	-	+
DualGraphics	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
Out-of-band client management	-	+
VirusProtect	-	+
RAID	-	+
HSA	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data

Security technologies

Core i9-7940X and PRO A8-8650B technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and PRO A8-8650B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and PRO A8-8650B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3-2133
Maximum memory size	128 GB	no data
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	AMD Radeon R7 Graphics
iGPU core count	no data	6
จำนวนพาธไลน์	no data	384
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Core i9-7940X and PRO A8-8650B integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Core i9-7940X and PRO A8-8650B integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and PRO A8-8650B.

PCIe version	3.0	3.0
PCI Express lanes	44	16

Synthetic benchmarks

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.

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Pros & cons summary

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Performance score	14.43	1.83
Recency	1 September 2017	29 September 2015
Physical cores	14	4
Threads	28	4
Chip lithography	14 nm	28 nm
Power consumption (TDP)	165 Watt	65 Watt

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