Intel Atom Z3740D vs Intel Core i7-620LM

Comparative analysis of Intel Atom Z3740D and Intel Core i7-620LM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Graphics interfaces, Peripherals. 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.

Intel Atom Z3740D

Intel Core i7-620LM

Differences

Reasons to consider the Intel Atom Z3740D

2 more cores, run more applications at once: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm

Number of cores	4 vs 2
Manufacturing process technology	22 nm vs 32 nm

Reasons to consider the Intel Core i7-620LM

Around 53% higher clock speed: 2.80 GHz vs 1.83 GHz
Around 17% higher maximum core temperature: 105°C vs 90°C
4x more maximum memory size: 8 GB vs 2 GB
2.2x better performance in PassMark - Single thread mark: 1010 vs 459
2.3x better performance in PassMark - CPU mark: 1406 vs 614

Specifications (specs)
Maximum frequency	2.80 GHz vs 1.83 GHz
Maximum core temperature	105°C vs 90°C
Maximum memory size	8 GB vs 2 GB
Benchmarks
PassMark - Single thread mark	1010 vs 459
PassMark - CPU mark	1406 vs 614

Compare benchmarks

CPU 1: Intel Atom Z3740D
CPU 2: Intel Core i7-620LM

PassMark - Single thread mark

CPU 1

CPU 2

459

1010

PassMark - CPU mark

CPU 1

CPU 2

614

1406

Name	Intel Atom Z3740D	Intel Core i7-620LM
PassMark - Single thread mark	459	1010
PassMark - CPU mark	614	1406
GFXBench 4.0 - T-Rex (Frames)	1276
GFXBench 4.0 - T-Rex (Fps)	1276
Geekbench 4 - Single Core		333
Geekbench 4 - Multi-Core		704

Compare specifications (specs)

	Intel Atom Z3740D	Intel Core i7-620LM
Essentials
Architecture codename	Bay Trail	Arrandale
Launch date	Q3'13	4 January 2010
Place in performance rating	2693	2689
Processor Number	Z3740D	i7-620LM
Series	Intel® Atom™ Processor Z Series	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$300
Performance
64 bit support
Base frequency	1.33 GHz	2.00 GHz
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	90°C	105°C
Maximum frequency	1.83 GHz	2.80 GHz
Number of cores	4	2
Number of threads	4	4
Bus Speed		2.5 GT/s DMI
Die size		81 mm2
Front-side bus (FSB)		2500 MHz
L2 cache		512 KB
L3 cache		4096 KB
Transistor count		382 million
Memory
Max memory channels	1	2
Maximum memory bandwidth	10.6 GB/s	17.1 GB/s
Maximum memory size	2 GB	8 GB
Supported memory types	DDR3L-RS 1333	DDR3 800/1066
Graphics
Graphics base frequency	313 MHz	266 MHz
Graphics max frequency	688 MHz	566 MHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel HD Graphics
Graphics max dynamic frequency		566 MHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	BGA 34mm x 28mm
Scenario Design Power (SDP)	2.2 W
Sockets supported	UTFCBGA1380	BGA1288
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		25 Watt
Security & Reliability
Anti-Theft technology
Intel® Identity Protection technology
Intel® Secure Key technology
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Intel 64
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics interfaces
Number of displays supported		2
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16