Pentium E5800 vs Core i7-3770K

Primary details

Comparing Core i7-3770K and Pentium E5800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1291	2530
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.69	5.38
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7 (Desktop)	no data
Architecture codename	Ivy Bridge (2012−2013)	Wolfdale (2008−2010)
Release date	29 April 2012 (12 years ago)	28 November 2010 (13 years ago)
Launch price (MSRP)	$294	$68
Current price	$133 (0.5x MSRP)	$67 (1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Pentium E5800 has 218% better value for money than i7-3770K.

Detailed specifications

Core i7-3770K and Pentium E5800 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)	2 (Dual-core)
Threads	8	2
Base clock speed	3.5 GHz	3.2 GHz
Boost clock speed	3.9 GHz	3.2 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256K (per core)	2 MB (shared)
L3 cache	8 MB (shared)	0 KB
Chip lithography	22 nm	45 nm
Die size	160 mm2	82 mm2
Maximum core temperature	67 °C	74 °C
Maximum case temperature (TCase)	67 °C	no data
Number of transistors	1,400 million	228 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Core i7-3770K and Pentium E5800 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	FCLGA1155	LGA775
Power consumption (TDP)	77 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3770K and Pentium E5800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	-
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	-	no data
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	no data	-
FDI	+	no data
Status	Discontinued	Discontinued

Security technologies

Core i7-3770K and Pentium E5800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	no data
Identity Protection	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3770K and Pentium E5800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Pentium E5800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4000	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3770K and Pentium E5800 integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3770K and Pentium E5800.

PCIe version

3.0

2.0

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.

Core i7-3770K outperforms Pentium E5800 by 450% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	4.18	0.76
Recency	29 April 2012	28 November 2010
Physical cores	4	2
Threads	8	2
Cost	$294	$68
Chip lithography	22 nm	45 nm
Power consumption (TDP)	77 Watt	65 Watt

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Should you still have questions on choice between Core i7-3770K and Pentium E5800, ask them in Comments section, and we shall answer.

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