Intel Atom E3815 vs Intel Core 2 Duo SL9400

Comparative analysis of Intel Atom E3815 and Intel Core 2 Duo SL9400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 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 E3815

Intel Core 2 Duo SL9400

Differences

Reasons to consider the Intel Atom E3815

CPU is newer: launch date 5 year(s) 1 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
3.4x lower typical power consumption: 5 Watt vs 17 Watt

Launch date	October 2013 vs 20 August 2008
Manufacturing process technology	22 nm vs 45 nm
Thermal Design Power (TDP)	5 Watt vs 17 Watt

Reasons to consider the Intel Core 2 Duo SL9400

1 more cores, run more applications at once: 2 vs 1
1 more threads: 2 vs 1
Around 27% higher clock speed: 1.86 GHz vs 1.46 GHz
Around -363% higher maximum core temperature: 105°C vs -40°C to 110°C
12x more L2 cache, more data can be stored in the L2 cache for quick access later
2.8x better performance in PassMark - Single thread mark: 786 vs 276
3.9x better performance in PassMark - CPU mark: 759 vs 195

Specifications (specs)
Number of cores	2 vs 1
Number of threads	2 vs 1
Maximum frequency	1.86 GHz vs 1.46 GHz
Maximum core temperature	105°C vs -40°C to 110°C
L2 cache	6134 KB vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	786 vs 276
PassMark - CPU mark	759 vs 195

Compare benchmarks

CPU 1: Intel Atom E3815
CPU 2: Intel Core 2 Duo SL9400

PassMark - Single thread mark

CPU 1

CPU 2

276

786

PassMark - CPU mark

CPU 1

CPU 2

195

759

Name	Intel Atom E3815	Intel Core 2 Duo SL9400
PassMark - Single thread mark	276	786
PassMark - CPU mark	195	759
Geekbench 4 - Single Core		261
Geekbench 4 - Multi-Core		463
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.202
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		15.868
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.06
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.241
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		1.428

Compare specifications (specs)

	Intel Atom E3815	Intel Core 2 Duo SL9400
Essentials
Architecture codename	Bay Trail	Penryn
Launch date	October 2013	20 August 2008
Launch price (MSRP)	$134	$284
Place in performance rating	3264	3256
Price now	$209.99	$253
Processor Number	E3815	SL9400
Series	Intel® Atom™ Processor E Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	0.46	1.47
Vertical segment	Embedded	Mobile
Performance
64 bit support
Base frequency	1.46 GHz	1.86 GHz
L1 cache	64 KB (per core)
L2 cache	512 KB (per core)	6134 KB
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	-40°C to 110°C	105°C
Maximum frequency	1.46 GHz	1.86 GHz
Number of cores	1	2
Number of threads	1	2
Bus Speed		1066 MHz FSB
Die size		107 mm2
Front-side bus (FSB)		1066 MHz
Transistor count		410 million
VID voltage range		1.050V - 1.150V
Memory
ECC memory support
Max memory channels	1
Maximum memory size	8 GB
Supported memory types	DDR3L 1067
Graphics
Graphics base frequency	400 MHz
Graphics max frequency	400 MHz
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	25mm x 27mm	22mm x 22mm
Sockets supported	FCBGA1170	BGA956
Thermal Design Power (TDP)	5 Watt	17 Watt
Peripherals
Integrated IDE
Integrated LAN
Max number of PCIe lanes	4
PCI Express revision	2.0
PCIe configurations	x4, x2, x1
Total number of SATA ports	2
UART
USB revision	2.0, 3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
HD Audio
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® vPro™ Platform Eligibility
FSB parity
Idle States
Intel® Demand Based Switching
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)