Sempron 2800+ vs i7-4820K

Primary details

Comparing Core i7-4820K and Sempron 2800+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1391	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.49	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	2.97	no data
Architecture codename	Ivy Bridge-E (2013)	Manila (2001−2006)
Release date	1 September 2013 (11 years ago)	January 2001 (23 years ago)
Launch price (MSRP)	$399	$104

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-4820K and Sempron 2800+ 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)	1 (Single-Core)
Threads	8	1
Base clock speed	3.7 GHz	no data
Boost clock speed	3.9 GHz	2 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	256K
L3 cache	10 MB (shared)	0 KB
Chip lithography	22 nm	130 nm
Die size	257 mm2	144 mm2
Maximum core temperature	67 °C	no data
Number of transistors	1,860 million	81 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-4820K and Sempron 2800+ 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	FCLGA2011	AM2
Power consumption (TDP)	130 Watt	62 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4820K and Sempron 2800+. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	+	no data
Demand Based Switching	-	no data

Security technologies

Core i7-4820K and Sempron 2800+ technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Identity Protection	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4820K and Sempron 2800+ are enumerated here.

VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4820K and Sempron 2800+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	64 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	59.7 GB/s	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4820K and Sempron 2800+.

PCIe version	3.0	no data
PCI Express lanes	40	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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Pros & cons summary

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Physical cores	4	1
Threads	8	1
Chip lithography	22 nm	130 nm
Power consumption (TDP)	130 Watt	62 Watt

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Should you still have questions on choice between Core i7-4820K and Sempron 2800+, ask them in Comments section, and we shall answer.

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