Intel Core i7-3555LE vs Intel Core i7-940XM
Comparative analysis of Intel Core i7-3555LE and Intel Core i7-940XM 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 - 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), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the Intel Core i7-3555LE
- CPU is newer: launch date 2 year(s) 0 month(s) later
- Around 5% higher maximum core temperature: 105°C vs 100°C
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
- 2x more maximum memory size: 16 GB vs 8 GB
- 2.2x lower typical power consumption: 25 Watt vs 55 Watt
- Around 17% better performance in PassMark - Single thread mark: 1336 vs 1139
- Around 1% better performance in PassMark - CPU mark: 2238 vs 2209
Specifications (specs) | |
Launch date | June 2012 vs 1 June 2010 |
Maximum core temperature | 105°C vs 100°C |
Manufacturing process technology | 22 nm vs 45 nm |
Maximum memory size | 16 GB vs 8 GB |
Thermal Design Power (TDP) | 25 Watt vs 55 Watt |
Benchmarks | |
PassMark - Single thread mark | 1336 vs 1139 |
PassMark - CPU mark | 2238 vs 2209 |
Reasons to consider the Intel Core i7-940XM
- 2 more cores, run more applications at once: 4 vs 2
- 4 more threads: 8 vs 4
- Around 4% higher clock speed: 3.33 GHz vs 3.20 GHz
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
Number of cores | 4 vs 2 |
Number of threads | 8 vs 4 |
Maximum frequency | 3.33 GHz vs 3.20 GHz |
L1 cache | 256 KB vs 64 KB (per core) |
L2 cache | 1024 KB vs 256 KB (per core) |
L3 cache | 8196 KB vs 4096 KB (shared) |
Compare benchmarks
CPU 1: Intel Core i7-3555LE
CPU 2: Intel Core i7-940XM
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | Intel Core i7-3555LE | Intel Core i7-940XM |
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PassMark - Single thread mark | 1336 | 1139 |
PassMark - CPU mark | 2238 | 2209 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 3.857 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 5.584 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.274 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.253 | |
GFXBench 4.0 - T-Rex (Frames) | 2328 | |
GFXBench 4.0 - T-Rex (Fps) | 2328 | |
Geekbench 4 - Single Core | 516 | |
Geekbench 4 - Multi-Core | 1709 |
Compare specifications (specs)
Intel Core i7-3555LE | Intel Core i7-940XM | |
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Essentials |
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Architecture codename | Ivy Bridge | Clarksfield |
Launch date | June 2012 | 1 June 2010 |
Place in performance rating | 2387 | 2391 |
Processor Number | i7-3555LE | i7-940XM |
Series | Legacy Intel® Core™ Processors | Legacy Intel® Core™ Processors |
Status | Launched | Discontinued |
Vertical segment | Embedded | Mobile |
Launch price (MSRP) | $1,096 | |
Performance |
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64 bit support | ||
Base frequency | 2.50 GHz | 2.13 GHz |
Bus Speed | 5 GT/s DMI | 2.5 GT/s DMI |
Die size | 118 mm | 296 mm2 |
L1 cache | 64 KB (per core) | 256 KB |
L2 cache | 256 KB (per core) | 1024 KB |
L3 cache | 4096 KB (shared) | 8196 KB |
Manufacturing process technology | 22 nm | 45 nm |
Maximum core temperature | 105°C | 100°C |
Maximum frequency | 3.20 GHz | 3.33 GHz |
Number of cores | 2 | 4 |
Number of threads | 4 | 8 |
Front-side bus (FSB) | 2500 MHz | |
Transistor count | 774 million | |
Memory |
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ECC memory support | ||
Max memory channels | 2 | 2 |
Maximum memory bandwidth | 25.6 GB/s | 21 GB/s |
Maximum memory size | 16 GB | 8 GB |
Supported memory types | DDR3/DDR3L 1333/1600 | DDR3 1066/1333 |
Graphics |
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Graphics base frequency | 550 MHz | |
Graphics max dynamic frequency | 1.00 GHz | |
Graphics max frequency | 1 GHz | |
Intel® Clear Video HD technology | ||
Intel® Clear Video technology | ||
Intel® Flexible Display Interface (Intel® FDI) | ||
Intel® InTru™ 3D technology | ||
Intel® Quick Sync Video | ||
Processor graphics | Intel® HD Graphics 4000 | |
Graphics interfaces |
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CRT | ||
DisplayPort | ||
eDP | ||
HDMI | ||
Number of displays supported | 3 | |
SDVO | ||
Wireless Display (WiDi) support | ||
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 1 |
Package Size | 31.0mm x 24.0mm | 37.5mm x 37.5mm |
Sockets supported | FCBGA1023 | PGA988 |
Thermal Design Power (TDP) | 25 Watt | 55 Watt |
Peripherals |
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Max number of PCIe lanes | 16 | 16 |
PCI Express revision | 3.0 | 2 |
PCIe configurations | 1x16, 2x8, 1x8 2x4 | 1x16, 2x8 |
Security & Reliability |
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Anti-Theft technology | ||
Execute Disable Bit (EDB) | ||
Intel® Identity Protection technology | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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4G WiMAX Wireless | ||
Enhanced Intel SpeedStep® technology | ||
Flexible Display interface (FDI) | ||
Idle States | ||
Instruction set extensions | Intel® AVX | Intel® SSE4.2 |
Intel 64 | ||
Intel® Advanced Vector Extensions (AVX) | ||
Intel® AES New Instructions | ||
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 | ||
Physical Address Extensions (PAE) | 36-bit | |
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) |