Atom Z3735G vs Core 2 Duo E6400

Place in the ranking	2902	2906
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	0.71	23.17
Architecture codename	Conroe (2006−2007)	Bay Trail-T (2013−2014)
Release date	July 2006 (18 years ago)	9 April 2014 (10 years ago)
Launch price (MSRP)	no data	$17

Detailed specifications

Core 2 Duo E6400 and Atom Z3735G 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	2.13 GHz	1.33 GHz
Boost clock speed	2.13 GHz	1.83 GHz
Bus rate	1066 MHz	no data
L1 cache	64 KB	56K (per core)
L2 cache	2 MB	2 MB
L3 cache	0 KB	2 MB L2 Cache
Chip lithography	65 nm	22 nm
Die size	143 mm²	112 mm²
Maximum core temperature	61 °C	no data
Number of transistors	291 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6400 and Atom Z3735G 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	LGA775,PLGA775	UTFCBGA592
Power consumption (TDP)	65 Watt	2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Atom Z3735G. 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 E6400 and Atom Z3735G technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Anti-Theft	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6400 and Atom Z3735G are enumerated here.

VT-x

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6400 and Atom Z3735G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	1 GB
Max memory channels	no data	1
Maximum memory bandwidth	no data	5.3 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics for Intel Atom Processor Z3700 Series
Graphics max frequency	no data	646 MHz

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 E6400 0.49

Atom Z3735G 0.49

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 E6400 780
+1%

Atom Z3735G 772