Intel Atom E3845 vs Intel Core i7-720QM
Comparative analysis of Intel Atom E3845 and Intel Core i7-720QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), CompuBench 1.5 Desktop - Face Detection (mPixels/s), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).
Differences
Reasons to consider the Intel Atom E3845
- CPU is newer: launch date 4 year(s) 0 month(s) later
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 4.5x lower typical power consumption: 10 Watt vs 45 Watt
- Around 41% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.787 vs 0.559
Specifications (specs) | |
Launch date | October 2013 vs 23 September 2009 |
Manufacturing process technology | 22 nm vs 45 nm |
L2 cache | 512 KB (per core) vs 1024 KB |
Thermal Design Power (TDP) | 10 Watt vs 45 Watt |
Benchmarks | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 0.787 vs 0.559 |
Reasons to consider the Intel Core i7-720QM
- 4 more threads: 8 vs 4
- Around 47% higher clock speed: 2.80 GHz vs 1.91 GHz
- Around -350% higher maximum core temperature: 100°C vs -40°C to 110°C
- Around 73% better performance in PassMark - Single thread mark: 925 vs 536
- Around 58% better performance in PassMark - CPU mark: 1657 vs 1052
- 3.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 31.243 vs 9.495
Specifications (specs) | |
Number of threads | 8 vs 4 |
Maximum frequency | 2.80 GHz vs 1.91 GHz |
Maximum core temperature | 100°C vs -40°C to 110°C |
Benchmarks | |
PassMark - Single thread mark | 925 vs 536 |
PassMark - CPU mark | 1657 vs 1052 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 31.243 vs 9.495 |
Compare benchmarks
CPU 1: Intel Atom E3845
CPU 2: Intel Core i7-720QM
PassMark - Single thread mark |
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PassMark - CPU mark |
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CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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Name | Intel Atom E3845 | Intel Core i7-720QM |
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PassMark - Single thread mark | 536 | 925 |
PassMark - CPU mark | 1052 | 1657 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 9.495 | 31.243 |
GFXBench 4.0 - T-Rex (Frames) | 1041 | |
GFXBench 4.0 - T-Rex (Fps) | 1041 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 0.787 | 0.559 |
Geekbench 4 - Single Core | 362 | |
Geekbench 4 - Multi-Core | 1146 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.835 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 2.405 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.323 |
Compare specifications (specs)
Intel Atom E3845 | Intel Core i7-720QM | |
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Essentials |
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Architecture codename | Bay Trail | Clarksfield |
Launch date | October 2013 | 23 September 2009 |
Place in performance rating | 3032 | 3037 |
Processor Number | E3845 | i7-720QM |
Series | Intel® Atom™ Processor E Series | Legacy Intel® Core™ Processors |
Status | Launched | Discontinued |
Vertical segment | Embedded | Mobile |
Launch price (MSRP) | $546 | |
Price now | $109.95 | |
Value for money (0-100) | 8.07 | |
Performance |
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64 bit support | ||
Base frequency | 1.91 GHz | 1.60 GHz |
L1 cache | 64 KB (per core) | 256 KB |
L2 cache | 512 KB (per core) | 1024 KB |
Manufacturing process technology | 22 nm | 45 nm |
Maximum core temperature | -40°C to 110°C | 100°C |
Maximum frequency | 1.91 GHz | 2.80 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 | |
L3 cache | 6144 KB | |
Transistor count | 774 million | |
Memory |
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ECC memory support | ||
Max memory channels | 2 | 2 |
Maximum memory size | 8 GB | 8 GB |
Supported memory types | DDR3L 1333 | DDR3 1066/1333 |
Maximum memory bandwidth | 21 GB/s | |
Graphics |
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Graphics base frequency | 542 MHz | |
Graphics max frequency | 792 MHz | |
Intel® Quick Sync Video | ||
Processor graphics | Intel HD Graphics | |
Graphics interfaces |
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Number of displays supported | 2 | |
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 1 |
Package Size | 25mm x 27mm | 37.5mm x 37.5mm |
Sockets supported | FCBGA1170 | PGA988 |
Thermal Design Power (TDP) | 10 Watt | 45 Watt |
Peripherals |
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Integrated IDE | ||
Integrated LAN | ||
Max number of PCIe lanes | 4 | 16 |
PCI Express revision | 2.0 | 2 |
PCIe configurations | x4, x2, x1 | 1x16, 2x8 |
Total number of SATA ports | 2 | |
UART | ||
USB revision | 2.0, 3.0 | |
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | ||
HD Audio | ||
Intel 64 | ||
Intel® AES New Instructions | ||
Intel® Hyper-Threading technology | ||
Intel® vPro™ Platform Eligibility | ||
Idle States | ||
Instruction set extensions | Intel® SSE4.2 | |
Intel® Turbo Boost technology | ||
Physical Address Extensions (PAE) | 36-bit | |
Thermal Monitoring | ||
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) | ||
Intel® VT-x with Extended Page Tables (EPT) |