Atom C3308 vs Core i7-4940MX

Primary details

Comparing Core i7-4940MX and Atom C3308 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1252	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i7	Intel Atom
Architecture codename	Haswell (2013−2015)	Goldmont (2016−2017)
Release date	20 January 2014 (10 years ago)	15 August 2017 (6 years ago)
Launch price (MSRP)	$1,096	$32
Current price	$1087 (1x MSRP)	no data

Detailed specifications

Core i7-4940MX and Atom C3308 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	3.1 GHz	1.6 GHz
Boost clock speed	4 GHz	2.1 GHz
L1 cache	64K (per core)	112 KB
L2 cache	256K (per core)	4 MB
L3 cache	8 MB (shared)	4 MB
Chip lithography	22 nm	14 nm
Die size	177 mm2	no data
Maximum core temperature	100 °C	89 °C
Maximum case temperature (TCase)	100 °C	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-4940MX and Atom C3308 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	FCPGA946	FCBGA1310
Power consumption (TDP)	57 Watt	9.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4940MX and Atom C3308. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	-
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
FDI	+	no data
Status	Discontinued	Launched

Security technologies

Core i7-4940MX and Atom C3308 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4940MX and Atom C3308 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4940MX and Atom C3308. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4: 1866
Maximum memory size	32 GB	128 GB
Max memory channels	2	1
Maximum memory bandwidth	25.6 GB/s	14.936 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	no data
Max video memory	1.7 GB	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.35 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-4940MX and Atom C3308 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
VGA	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4940MX and Atom C3308.

PCIe version	3	3
PCI Express lanes	16	6
USB revision	no data	3
Total number of SATA ports	no data	6
Max number of SATA 6 Gb/s Ports	no data	6
Number of USB ports	no data	8
Integrated LAN	no data	4x2.5/1 GBE

Pros & cons summary

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Recency	20 January 2014	15 August 2017
Physical cores	4	2
Threads	8	2
Cost	$1096	$32
Chip lithography	22 nm	14 nm
Power consumption (TDP)	57 Watt	9 Watt

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