Intel Atom Z3770 vs Intel Core i5-2520M

Comparative analysis of Intel Atom Z3770 and Intel Core i5-2520M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, 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, 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 Z3770

Intel Core i5-2520M

Differences

Reasons to consider the Intel Atom Z3770

CPU is newer: launch date 2 year(s) 6 month(s) later
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
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
4.4x lower typical power consumption: 8 Watt vs 35 Watt

Launch date	September 2013 vs 20 February 2011
Number of cores	4 vs 2
Manufacturing process technology	22 nm vs 32 nm
L1 cache	64 KB (per core) vs 128 KB
L2 cache	512 KB (per core) vs 512 KB
Thermal Design Power (TDP)	8 Watt vs 35 Watt

Reasons to consider the Intel Core i5-2520M

Around 34% higher clock speed: 3.20 GHz vs 2.39 GHz
Around 11% higher maximum core temperature: 100 C vs 90°C
4x more maximum memory size: 16 GB vs 4 GB
2.5x better performance in PassMark - Single thread mark: 1356 vs 539
3x better performance in PassMark - CPU mark: 2237 vs 736

Specifications (specs)
Maximum frequency	3.20 GHz vs 2.39 GHz
Maximum core temperature	100 C vs 90°C
Maximum memory size	16 GB vs 4 GB
Benchmarks
PassMark - Single thread mark	1356 vs 539
PassMark - CPU mark	2237 vs 736

Compare benchmarks

CPU 1: Intel Atom Z3770
CPU 2: Intel Core i5-2520M

PassMark - Single thread mark

CPU 1

CPU 2

539

1356

PassMark - CPU mark

CPU 1

CPU 2

736

2237

Name	Intel Atom Z3770	Intel Core i5-2520M
PassMark - Single thread mark	539	1356
PassMark - CPU mark	736	2237
GFXBench 4.0 - T-Rex (Frames)	827
GFXBench 4.0 - T-Rex (Fps)	827
Geekbench 4 - Single Core		542
Geekbench 4 - Multi-Core		1187
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.877
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		30.827
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.217
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.881
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.055

Compare specifications (specs)

	Intel Atom Z3770	Intel Core i5-2520M
Essentials
Architecture codename	Bay Trail	Sandy Bridge
Launch date	September 2013	20 February 2011
Launch price (MSRP)	$149	$225
Place in performance rating	2856	2847
Price now	$149.44	$169.60
Processor Number	Z3770	i5-2520M
Series	Intel® Atom™ Processor Z Series	Legacy Intel® Core™ Processors
Status	Discontinued	Launched
Value for money (0-100)	2.45	6.23
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.46 GHz	2.50 GHz
L1 cache	64 KB (per core)	128 KB
L2 cache	512 KB (per core)	512 KB
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	90°C	100 C
Maximum frequency	2.39 GHz	3.20 GHz
Number of cores	4	2
Number of threads	4	4
Bus Speed		5 GT/s DMI
Die size		149 mm
L3 cache		3072 KB
Transistor count		624 Million
Memory
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	21.3 GB/s
Maximum memory size	4 GB	16 GB
Supported memory types	LPDDR3 1066	DDR3 1066/1333
Graphics
Graphics base frequency	311 MHz	650 MHz
Graphics max frequency	667 MHz	1.3 GHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel® HD Graphics 3000
Device ID		0x116
Graphics max dynamic frequency		1.30 GHz
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Graphics interfaces
Wireless Display (WiDi) support
CRT
DisplayPort
eDP
HDMI
Number of displays supported		2
SDVO
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	17mm x 17mm	37.5mm x 37.5mm (rPGA988B); 31mm x 24mm (BGA1023)
Scenario Design Power (SDP)	2 W
Sockets supported	UTFCBGA1380	PPGA988
Thermal Design Power (TDP)	8 Watt	35 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
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® AVX
Intel® Advanced Vector Extensions (AVX)
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)
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16, 2x8, 1x8+2x4