Atom x5-E3930 vs Core 2 Duo E7400

Place in the ranking	2750	2803
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	5x Intel Atom
Power efficiency	0.95	7.84
Architecture codename	Wolfdale (2008−2010)	Apollo Lake (2014−2016)
Release date	October 2008 (16 years ago)	30 August 2014 (10 years ago)

Detailed specifications

Core 2 Duo E7400 and Atom x5-E3930 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	2
Base clock speed	2.8 GHz	1.3 GHz
Boost clock speed	2.8 GHz	1.8 GHz
Bus rate	1066 MHz	no data
L1 cache	64 KB	56K (per core)
L2 cache	3 MB (shared)	2 MB (shared)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	14 nm
Die size	82 mm²	no data
Maximum case temperature (TCase)	74 °C	103 °C
Number of transistors	228 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E7400 and Atom x5-E3930 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 (Uniprocessor)
Socket	LGA775	Intel BGA 1296
Power consumption (TDP)	65 Watt	7 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E7400 and Atom x5-E3930. You'll probably need this information if you require some particular technology.

AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo E7400 and Atom x5-E3930 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E7400 and Atom x5-E3930 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7400 and Atom x5-E3930. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3-1866
Maximum memory size	no data	8 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics 500

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E7400 and Atom x5-E3930.

PCIe version	no data	2.0
PCI Express lanes	no data	4

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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 2 Duo E7400 0.65
+12.1%

Atom x5-E3930 0.58

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Duo E7400 1030
+11%

Atom x5-E3930 928