Intel Atom Z3740 vs Intel Core 2 Extreme X7900

Comparative analysis of Intel Atom Z3740 and Intel Core 2 Extreme X7900 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. 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 - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

 

Differences

Reasons to consider the Intel Atom Z3740

  • CPU is newer: launch date 6 year(s) 0 month(s) later
  • 2 more cores, run more applications at once: 4 vs 2
  • 2 more threads: 4 vs 2
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 65 nm
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 22x lower typical power consumption: 2 Watt vs 44 Watt
Launch date September 2013 vs 1 September 2007
Number of cores 4 vs 2
Number of threads 4 vs 2
Manufacturing process technology 22 nm vs 65 nm
L1 cache 64 KB (per core) vs 128 KB
Thermal Design Power (TDP) 2 Watt vs 44 Watt

Reasons to consider the Intel Core 2 Extreme X7900

  • Around 51% higher clock speed: 2.8 GHz vs 1.86 GHz
  • Around 11% higher maximum core temperature: 100°C vs 90°C
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2.6x better performance in PassMark - Single thread mark: 1085 vs 410
  • Around 78% better performance in PassMark - CPU mark: 1104 vs 621
Specifications (specs)
Maximum frequency 2.8 GHz vs 1.86 GHz
Maximum core temperature 100°C vs 90°C
L2 cache 4 MB vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark 1085 vs 410
PassMark - CPU mark 1104 vs 621

Compare benchmarks

CPU 1: Intel Atom Z3740
CPU 2: Intel Core 2 Extreme X7900

PassMark - Single thread mark
CPU 1
CPU 2
410
1085
PassMark - CPU mark
CPU 1
CPU 2
621
1104
Name Intel Atom Z3740 Intel Core 2 Extreme X7900
PassMark - Single thread mark 410 1085
PassMark - CPU mark 621 1104
GFXBench 4.0 - T-Rex (Frames) 1237
GFXBench 4.0 - T-Rex (Fps) 1237
Geekbench 4 - Single Core 1485
Geekbench 4 - Multi-Core 2396
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.308
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 20.342
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.082
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2.227
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.436

Compare specifications (specs)

Intel Atom Z3740 Intel Core 2 Extreme X7900

Essentials

Architecture codename Bay Trail Merom
Launch date September 2013 1 September 2007
Place in performance rating 2749 2740
Processor Number Z3740 X7900
Series Intel® Atom™ Processor Z Series Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Vertical segment Mobile Mobile
Launch price (MSRP) $851

Performance

64 bit support
Base frequency 1.33 GHz 2.80 GHz
L1 cache 64 KB (per core) 128 KB
L2 cache 512 KB (per core) 4 MB
Manufacturing process technology 22 nm 65 nm
Maximum core temperature 90°C 100°C
Maximum frequency 1.86 GHz 2.8 GHz
Number of cores 4 2
Number of threads 4 2
Bus Speed 800 MHz FSB
Die size 143 mm2
Front-side bus (FSB) 800 MHz
Transistor count 291 million
VID voltage range 1.100V-1.375V

Memory

Max memory channels 2
Maximum memory bandwidth 17.1 GB/s
Maximum memory size 4 GB
Supported memory types LPDDR3 1066 DDR1

Graphics

Graphics base frequency 311 MHz
Graphics max frequency 667 MHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Processor graphics Intel HD Graphics

Graphics interfaces

Wireless Display (WiDi) support

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 17mm x 17mm 35mm x 35mm
Scenario Design Power (SDP) 2 W
Sockets supported UTFCBGA1380 PPGA478
Thermal Design Power (TDP) 2 Watt 44 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
FSB parity
Idle States
Intel® Active Management technology (AMT)
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology

Virtualization

Intel® Virtualization Technology (VT-x)

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