Intel Atom x7-Z8700 vs Intel Core i7-820QM

Comparative analysis of Intel Atom x7-Z8700 and Intel Core i7-820QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the Intel Atom x7-Z8700

  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
Manufacturing process technology 14 nm vs 45 nm

Reasons to consider the Intel Core i7-820QM

  • 4 more threads: 8 vs 4
  • Around 28% higher clock speed: 3.06 GHz vs 2.40 GHz
  • Around 11% higher maximum core temperature: 100°C vs 90°C
  • Around 56% better performance in PassMark - Single thread mark: 1014 vs 650
  • Around 33% better performance in PassMark - CPU mark: 1775 vs 1330
  • Around 73% better performance in Geekbench 4 - Single Core: 381 vs 220
  • Around 57% better performance in Geekbench 4 - Multi-Core: 1185 vs 753
  • Around 57% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.276 vs 2.722
  • 2.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 20.687 vs 8.996
  • Around 92% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.267 vs 0.139
Specifications (specs)
Number of threads 8 vs 4
Maximum frequency 3.06 GHz vs 2.40 GHz
Maximum core temperature 100°C vs 90°C
Benchmarks
PassMark - Single thread mark 1014 vs 650
PassMark - CPU mark 1775 vs 1330
Geekbench 4 - Single Core 381 vs 220
Geekbench 4 - Multi-Core 1185 vs 753
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.276 vs 2.722
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 20.687 vs 8.996
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.267 vs 0.139

Compare benchmarks

CPU 1: Intel Atom x7-Z8700
CPU 2: Intel Core i7-820QM

PassMark - Single thread mark
CPU 1
CPU 2
650
1014
PassMark - CPU mark
CPU 1
CPU 2
1330
1775
Geekbench 4 - Single Core
CPU 1
CPU 2
220
381
Geekbench 4 - Multi-Core
CPU 1
CPU 2
753
1185
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
2.722
4.276
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
8.996
20.687
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.139
0.267
Name Intel Atom x7-Z8700 Intel Core i7-820QM
PassMark - Single thread mark 650 1014
PassMark - CPU mark 1330 1775
Geekbench 4 - Single Core 220 381
Geekbench 4 - Multi-Core 753 1185
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.722 4.276
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 8.996 20.687
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.139 0.267
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.519
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1.665
GFXBench 4.0 - Car Chase Offscreen (Frames) 627
GFXBench 4.0 - Manhattan (Frames) 974
GFXBench 4.0 - T-Rex (Frames) 1754
GFXBench 4.0 - Car Chase Offscreen (Fps) 627
GFXBench 4.0 - Manhattan (Fps) 974
GFXBench 4.0 - T-Rex (Fps) 1754

Compare specifications (specs)

Intel Atom x7-Z8700 Intel Core i7-820QM

Essentials

Architecture codename Cherry Trail Clarksfield
Launch date Q1'15 23 September 2009
Place in performance rating 2808 2816
Processor Number x7-Z8700 i7-820QM
Series Intel® Atom™ Processor X 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 1.60 GHz 1.73 GHz
Manufacturing process technology 14 nm 45 nm
Maximum core temperature 90°C 100°C
Maximum frequency 2.40 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
Transistor count 774 million

Memory

Max memory channels 2 2
Maximum memory bandwidth 25.6 GB/s 21 GB/s
Maximum memory size 8 GB 8 GB
Supported memory types LPDDR3 1600 DDR3 1066/1333

Graphics

Execution Units 16
Graphics base frequency 200 MHz
Graphics max frequency 600 MHz
Max video memory 8 GB

Graphics interfaces

Number of displays supported 3

Graphics image quality

Max resolution over eDP 2560x1600
Max resolution over HDMI 1.4 3840x2160

Compatibility

Low Halogen Options Available
Package Size 17mm x 17mm 37.5mm x 37.5mm
Scenario Design Power (SDP) 2 W
Sockets supported UTFCBGA1380 PGA988
Max number of CPUs in a configuration 1
Thermal Design Power (TDP) 45 Watt

Peripherals

Max number of PCIe lanes 2 16
Number of USB ports 3
PCI Express revision 2.0 2
PCIe configurations 2x1, 1x2 1x16, 2x8
USB revision 3.0

Security & Reliability

Intel® Identity Protection technology
Secure Boot
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

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