A4-5145M vs Core i7-7820X

Primary details

Comparing Core i7-7820X and A4-5145M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	656	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.54	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i7	AMD A-Series
Architecture codename	Skylake (server) (2017−2019)	Richland (2013−2014)
Release date	26 June 2017 (7 years ago)	1 June 2013 (11 years ago)
Launch price (MSRP)	$599	no data
Current price	$341 (0.6x MSRP)	$210

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-7820X and A4-5145M 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	2
Base clock speed	3.6 GHz	2 GHz
Boost clock speed	4.5 GHz	2.6 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	1 MB (per core)	512K (per core)
L3 cache	11 MB (shared)	0 KB
Chip lithography	14 nm	32 nm
Die size	no data	246 mm2
Maximum core temperature	99 °C	no data
Maximum case temperature (TCase)	72 °C	71 °C
Number of transistors	no data	1,178 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-7820X and A4-5145M 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	FCLGA2066	FP2
Power consumption (TDP)	140 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820X and A4-5145M. 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	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA, DDR3-1333 Controller
AES-NI	+	+
FMA	no data	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i7-7820X and A4-5145M technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820X and A4-5145M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and A4-5145M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon HD 8310G

Peripherals

Specifications and connection of peripherals supported by Core i7-7820X and A4-5145M.

PCIe version	3.0	no data
PCI Express lanes	28	no data

Pros & cons summary

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Recency	26 June 2017	1 June 2013
Physical cores	8	2
Threads	16	2
Chip lithography	14 nm	32 nm
Power consumption (TDP)	140 Watt	17 Watt

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