Intel Atom Z3735G vs Intel Core i7-820QM

Comparative analysis of Intel Atom Z3735G and Intel Core i7-820QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Advanced Technologies, Virtualization, 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).

 

Differences

Reasons to consider the Intel Atom Z3735G

  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
Manufacturing process technology 22 nm vs 45 nm

Reasons to consider the Intel Core i7-820QM

  • 4 more threads: 8 vs 4
  • Around 67% higher clock speed: 3.06 GHz vs 1.83 GHz
  • 8x more maximum memory size: 8 GB vs 1 GB
  • 2.1x better performance in PassMark - Single thread mark: 1014 vs 476
  • 2.3x better performance in PassMark - CPU mark: 1775 vs 772
Specifications (specs)
Number of threads 8 vs 4
Maximum frequency 3.06 GHz vs 1.83 GHz
Maximum memory size 8 GB vs 1 GB
Benchmarks
PassMark - Single thread mark 1014 vs 476
PassMark - CPU mark 1775 vs 772

Compare benchmarks

CPU 1: Intel Atom Z3735G
CPU 2: Intel Core i7-820QM

PassMark - Single thread mark
CPU 1
CPU 2
476
1014
PassMark - CPU mark
CPU 1
CPU 2
772
1775
Name Intel Atom Z3735G Intel Core i7-820QM
PassMark - Single thread mark 476 1014
PassMark - CPU mark 772 1775
GFXBench 4.0 - T-Rex (Frames) 1022
GFXBench 4.0 - T-Rex (Fps) 1022
Geekbench 4 - Single Core 381
Geekbench 4 - Multi-Core 1185
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.276
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 20.687
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.267

Compare specifications (specs)

Intel Atom Z3735G Intel Core i7-820QM

Essentials

Architecture codename Bay Trail Clarksfield
Launch date Q1'14 23 September 2009
Place in performance rating 2809 2816
Processor Number Z3735G i7-820QM
Series Intel® Atom™ Processor Z Series Legacy Intel® Core™ Processors
Status Launched Discontinued
Vertical segment Mobile Mobile
Launch price (MSRP) $546
Price now $139
Value for money (0-100) 6.84

Performance

64 bit support
Base frequency 1.33 GHz 1.73 GHz
Manufacturing process technology 22 nm 45 nm
Maximum frequency 1.83 GHz 3.06 GHz
Number of cores 4 4
Number of threads 4 8
Bus Speed 2.5 GT/s DMI
Die size 296 mm2
Front-side bus (FSB) 2500 MHz
L1 cache 256 KB
L2 cache 1024 KB
L3 cache 8196 KB
Maximum core temperature 100°C
Transistor count 774 million

Memory

Max memory channels 1 2
Maximum memory bandwidth 5.3 GB/s 21 GB/s
Maximum memory size 1 GB 8 GB
Supported memory types DDR3L-RS 1333 DDR3 1066/1333

Graphics

Graphics base frequency 311 MHz
Graphics max frequency 646 MHz
Processor graphics Intel HD Graphics

Compatibility

Low Halogen Options Available
Package Size 17mm x 17mm 37.5mm x 37.5mm
Scenario Design Power (SDP) 2.2 W
Sockets supported UTFCBGA592 PGA988
Max number of CPUs in a configuration 1
Thermal Design Power (TDP) 45 Watt

Advanced Technologies

Intel 64
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2
Intel® AES New Instructions
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)

Peripherals

Max number of PCIe lanes 16
PCI Express revision 2
PCIe configurations 1x16, 2x8

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)