Celeron B815 vs Core i7-5775C

Primary details

Comparing Core i7-5775C and Celeron B815 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1159	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.04	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i7 (Desktop)	Intel Celeron
Architecture codename	Broadwell (2015−2019)	Sandy Bridge (2011−2013)
Release date	15 May 2015 (9 years ago)	1 January 2012 (12 years ago)
Launch price (MSRP)	$366	$86
Current price	$305 (0.8x MSRP)	$34 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-5775C and Celeron B815 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	3.3 GHz	1.6 GHz
Boost clock speed	3.7 GHz	1.6 GHz
L1 cache	256K (per core)	64K (per core)
L2 cache	1 MB (per core)	256K (per core)
L3 cache	6 MB (shared)	2 MB (shared)
Chip lithography	14 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-5775C and Celeron B815 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	FCLGA1150	FCPGA988,PGA988
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5775C and Celeron B815. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	-
FMA	no data	+
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
My WiFi	no data	-
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	-	no data
Demand Based Switching	no data	-
FDI	+	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Core i7-5775C and Celeron B815 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5775C and Celeron B815 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5775C and Celeron B815. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.3 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel Iris Pro Graphics 6200	Intel® HD Graphics for 2nd Generation Intel® Processors
Max video memory	32 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	-
Graphics max frequency	1.15 GHz	1.05 GHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i7-5775C and Celeron B815 integrated GPUs.

Number of displays supported	3	2
eDP	+	+
DisplayPort	+	+
HDMI	+	+
DVI	+	no data
VGA	+	no data
SDVO	no data	+
CRT	no data	+

Graphics image quality

Maximum display resolutions supported by Core i7-5775C and Celeron B815 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Core i7-5775C and Celeron B815 integrated GPUs, sometimes API versions are included.

DirectX	11.2	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-5775C and Celeron B815.

PCIe version	3.0	2.0
PCI Express lanes	16	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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Pros & cons summary

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Recency	15 May 2015	1 January 2012
Physical cores	4	2
Threads	8	2
Cost	$366	$86
Chip lithography	14 nm	32 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Core i7-5775C and Celeron B815, ask them in Comments section, and we shall answer.

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