Intel Atom Z3745 vs Intel Core 2 Duo T9400

Comparative analysis of Intel Atom Z3745 and Intel Core 2 Duo T9400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Atom Z3745

Intel Core 2 Duo T9400

Differences

Reasons to consider the Intel Atom Z3745

2 more cores, run more applications at once: 4 vs 2
2 more threads: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm

Number of cores	4 vs 2
Number of threads	4 vs 2
Manufacturing process technology	22 nm vs 45 nm

Reasons to consider the Intel Core 2 Duo T9400

Around 36% higher clock speed: 2.53 GHz vs 1.86 GHz
Around 17% higher maximum core temperature: 105°C vs 90°C
2.4x better performance in PassMark - Single thread mark: 1047 vs 435
Around 63% better performance in PassMark - CPU mark: 1011 vs 621

Specifications (specs)
Maximum frequency	2.53 GHz vs 1.86 GHz
Maximum core temperature	105°C vs 90°C
Benchmarks
PassMark - Single thread mark	1047 vs 435
PassMark - CPU mark	1011 vs 621

Compare benchmarks

CPU 1: Intel Atom Z3745
CPU 2: Intel Core 2 Duo T9400

PassMark - Single thread mark

CPU 1

CPU 2

435

1047

PassMark - CPU mark

CPU 1

CPU 2

621

1011

Name	Intel Atom Z3745	Intel Core 2 Duo T9400
PassMark - Single thread mark	435	1047
PassMark - CPU mark	621	1011
GFXBench 4.0 - T-Rex (Frames)	462
GFXBench 4.0 - T-Rex (Fps)	462
Geekbench 4 - Single Core		342
Geekbench 4 - Multi-Core		618
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.272
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		21.389
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.079
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.509
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		1.993

Compare specifications (specs)

	Intel Atom Z3745	Intel Core 2 Duo T9400
Essentials
Architecture codename	Bay Trail	Penryn
Launch date	Q1'14	15 July 2008
Place in performance rating	3152	3156
Processor Number	Z3745	T9400
Series	Intel® Atom™ Processor Z Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$316
Price now		$69.95
Value for money (0-100)		7.31
Performance
64 bit support
Base frequency	1.33 GHz	2.53 GHz
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	90°C	105°C
Maximum frequency	1.86 GHz	2.53 GHz
Number of cores	4	2
Number of threads	4	2
Bus Speed		1066 MHz FSB
Die size		107 mm2
Front-side bus (FSB)		1066 MHz
L1 cache		128 KB
L2 cache		6134 KB
Transistor count		410 million
VID voltage range		1.050V-1.162V
Memory
Max memory channels	2
Maximum memory bandwidth	17.1 GB/s
Maximum memory size	4 GB
Supported memory types	LPDDR3 1066
Graphics
Graphics base frequency	311 MHz
Graphics max frequency	778 MHz
Processor graphics	Intel HD Graphics
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	35mm x 35mm
Scenario Design Power (SDP)	2 W
Sockets supported	UTFCBGA1380	PGA478, BGA479
Thermal Design Power (TDP)		35 Watt
Peripherals
USB revision	2.0/3.0
Security & Reliability
Intel® Identity Protection technology
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Intel 64
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)