i7-640M vs Celeron J4005

Primary details

Comparing Celeron J4005 and Core i7-640M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2419	2204
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.25	no data
Market segment	Desktop processor	Laptop
Series	Intel Celeron	Intel Core i7
Architecture codename	Goldmont Plus (2017)	Arrandale (2010−2011)
Release date	11 December 2017 (6 years ago)	13 September 2010 (13 years ago)
Launch price (MSRP)	$107	$346

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron J4005 and Core i7-640M 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	2 (Dual-core)	2 (Dual-core)
Threads	2	4
Base clock speed	2 GHz	2.8 GHz
Boost clock speed	2.7 GHz	3.46 GHz
Bus type	no data	DMI 1.0
Bus rate	no data	1 × 2.5 GT/s
Multiplier	20	21
L1 cache	112 KB	128 KB
L2 cache	4 MB (shared)	512 KB
L3 cache	4 MB	4 MB
Chip lithography	14 nm	32 nm
Die size	93 mm2	81+114 mm2
Maximum core temperature	105 °C	105 °C
Number of transistors	no data	382+177 Million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Celeron J4005 and Core i7-640M 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 (Uniprocessor)
Socket	FCBGA1090	BGA1288,PGA988
Power consumption (TDP)	10 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J4005 and Core i7-640M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	-	no data
Turbo Boost Technology	-	+
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Smart Response	-	no data
PAE	no data	36 Bit
GPIO	+	no data
Turbo Boost Max 3.0	-	no data
FDI	no data	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Celeron J4005 and Core i7-640M technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J4005 and Core i7-640M are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J4005 and Core i7-640M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	8 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 600	Intel® HD Graphics for Previous Generation Intel® Processors
Max video memory	8 GB	no data
Quick Sync Video	+	-
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	700 MHz	766 MHz
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J4005 and Core i7-640M integrated GPUs.

Number of displays supported	3	2
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
MIPI-DSI	+	no data

Graphics image quality

Maximum display resolutions supported by Celeron J4005 and Core i7-640M integrated GPUs, including resolutions over different interfaces.

4K resolution support

+

no data

Graphics API support

APIs supported by Celeron J4005 and Core i7-640M integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J4005 and Core i7-640M.

PCIe version	2.0	2.0
PCI Express lanes	6	16
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	no data
Integrated LAN	-	no data
UART	+	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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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.

Pros & cons summary

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Performance score	1.00	1.34
Recency	11 December 2017	13 September 2010
Threads	2	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	10 Watt	35 Watt

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Should you still have questions on choice between Celeron J4005 and Core i7-640M, ask them in Comments section, and we shall answer.

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