Intel Atom Z3735D vs Intel Core i7-2620M

Comparative analysis of Intel Atom Z3735D and Intel Core i7-2620M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Advanced Technologies, Virtualization, Graphics interfaces, Peripherals, Security & Reliability. 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 Z3735D

Intel Core i7-2620M

Differences

Reasons to consider the Intel Atom Z3735D

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 i7-2620M

Around 86% higher clock speed: 3.40 GHz vs 1.83 GHz
8x more maximum memory size: 16 GB vs 2 GB
2.7x better performance in PassMark - Single thread mark: 1459 vs 544
3.4x better performance in PassMark - CPU mark: 2423 vs 704

Specifications (specs)
Maximum frequency	3.40 GHz vs 1.83 GHz
Maximum memory size	16 GB vs 2 GB
Benchmarks
PassMark - Single thread mark	1459 vs 544
PassMark - CPU mark	2423 vs 704

Compare benchmarks

CPU 1: Intel Atom Z3735D
CPU 2: Intel Core i7-2620M

PassMark - Single thread mark

CPU 1

CPU 2

544

1459

PassMark - CPU mark

CPU 1

CPU 2

704

2423

Name	Intel Atom Z3735D	Intel Core i7-2620M
PassMark - Single thread mark	544	1459
PassMark - CPU mark	704	2423
GFXBench 4.0 - T-Rex (Frames)	959
GFXBench 4.0 - T-Rex (Fps)	959
Geekbench 4 - Single Core		592
Geekbench 4 - Multi-Core		1278
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.988
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		34.526
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.225
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.763
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.114

Compare specifications (specs)

	Intel Atom Z3735D	Intel Core i7-2620M
Essentials
Architecture codename	Bay Trail	Sandy Bridge
Launch date	Q1'14	20 February 2011
Place in performance rating	2798	2789
Processor Number	Z3735D	i7-2620M
Series	Intel® Atom™ Processor Z Series	Legacy Intel® Core™ Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$346
Price now		$179.21
Value for money (0-100)		6.31
Performance
64 bit support
Base frequency	1.33 GHz	2.70 GHz
Manufacturing process technology	22 nm	32 nm
Maximum frequency	1.83 GHz	3.40 GHz
Number of cores	4	2
Number of threads	4	4
Bus Speed		5 GT/s DMI
Die size		149 mm
L1 cache		128 KB
L2 cache		512 KB
L3 cache		4096 KB
Maximum core temperature		100 C
Transistor count		624 Million
Memory
Max memory channels	1	2
Maximum memory bandwidth	10.6 GB/s	21.3 GB/s
Maximum memory size	2 GB	16 GB
Supported memory types	DDR3L-RS 1333	DDR3 1066/1333
Graphics
Graphics base frequency	311 MHz	650 MHz
Graphics max frequency	646 MHz	1.3 GHz
Processor graphics	Intel HD Graphics	Intel® HD Graphics 3000
Device ID		0x116
Graphics max dynamic frequency		1.30 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	37.5mm x 37.5mm (rPGA988B); 31mm x 24mm (BGA1023)
Scenario Design Power (SDP)	2.2 W
Max number of CPUs in a configuration		1
Sockets supported		FCBGA1023, PPGA988
Thermal Design Power (TDP)		35 Watt
Advanced Technologies
Intel 64
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® AVX
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported		2
SDVO
Wireless Display (WiDi) support
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16, 2x8, 1x8+2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)