Intel Core i7-3940XM vs Intel Core i7-3520M
Comparative analysis of Intel Core i7-3940XM and Intel Core i7-3520M 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the Intel Core i7-3940XM
- CPU is newer: launch date 3 month(s) later
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 2 more cores, run more applications at once: 4 vs 2
- 4 more threads: 8 vs 4
- Around 8% higher clock speed: 3.90 GHz vs 3.60 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
- Around 10% better performance in PassMark - Single thread mark: 1915 vs 1734
- 2.1x better performance in PassMark - CPU mark: 5858 vs 2857
- Around 15% better performance in Geekbench 4 - Single Core: 741 vs 645
- 2x better performance in Geekbench 4 - Multi-Core: 2890 vs 1437
- 2.5x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 14.555 vs 5.837
- Around 63% better performance in GFXBench 4.0 - T-Rex (Frames): 2709 vs 1664
- Around 63% better performance in GFXBench 4.0 - T-Rex (Fps): 2709 vs 1664
| Specifications (specs) | |
| Launch date | 30 September 2012 vs 3 June 2012 |
| Unlocked | Unlocked vs Locked |
| Number of cores | 4 vs 2 |
| Number of threads | 8 vs 4 |
| Maximum frequency | 3.90 GHz vs 3.60 GHz |
| L1 cache | 256 KB vs 128 KB |
| L2 cache | 1024 KB vs 512 KB |
| L3 cache | 8192 KB vs 4096 KB |
| Benchmarks | |
| PassMark - Single thread mark | 1915 vs 1734 |
| PassMark - CPU mark | 5858 vs 2857 |
| Geekbench 4 - Single Core | 741 vs 645 |
| Geekbench 4 - Multi-Core | 2890 vs 1437 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 14.555 vs 5.837 |
| GFXBench 4.0 - T-Rex (Frames) | 2709 vs 1664 |
| GFXBench 4.0 - T-Rex (Fps) | 2709 vs 1664 |
Reasons to consider the Intel Core i7-3520M
- Around 57% lower typical power consumption: 35 Watt vs 55 Watt
| Thermal Design Power (TDP) | 35 Watt vs 55 Watt |
Compare benchmarks
CPU 1: Intel Core i7-3940XM
CPU 2: Intel Core i7-3520M
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| Geekbench 4 - Single Core |
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| Geekbench 4 - Multi-Core |
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| CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | Intel Core i7-3940XM | Intel Core i7-3520M |
|---|---|---|
| PassMark - Single thread mark | 1915 | 1734 |
| PassMark - CPU mark | 5858 | 2857 |
| Geekbench 4 - Single Core | 741 | 645 |
| Geekbench 4 - Multi-Core | 2890 | 1437 |
| 3DMark Fire Strike - Physics Score | 0 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 14.555 | 5.837 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 16.624 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.613 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 2.454 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 5.598 | |
| GFXBench 4.0 - T-Rex (Frames) | 2709 | 1664 |
| GFXBench 4.0 - T-Rex (Fps) | 2709 | 1664 |
Compare specifications (specs)
| Intel Core i7-3940XM | Intel Core i7-3520M | |
|---|---|---|
Essentials |
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| Architecture codename | Ivy Bridge | Ivy Bridge |
| Launch date | 30 September 2012 | 3 June 2012 |
| Launch price (MSRP) | $1,096 | $346 |
| Place in performance rating | 2137 | 2122 |
| Price now | $539 | $235 |
| Processor Number | i7-3940XM | i7-3520M |
| Series | Intel® Core™ X-series Processors | Legacy Intel® Core™ Processors |
| Status | Launched | Launched |
| Value for money (0-100) | 5.08 | 5.69 |
| Vertical segment | Mobile | Mobile |
Performance |
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| 64 bit support | ||
| Base frequency | 3.00 GHz | 2.90 GHz |
| Bus Speed | 5 GT/s DMI | 5 GT/s DMI |
| Die size | 160 mm | 118 mm |
| L1 cache | 256 KB | 128 KB |
| L2 cache | 1024 KB | 512 KB |
| L3 cache | 8192 KB | 4096 KB |
| Manufacturing process technology | 22 nm | 22 nm |
| Maximum core temperature | 105 °C | 105 °C |
| Maximum frequency | 3.90 GHz | 3.60 GHz |
| Number of cores | 4 | 2 |
| Number of threads | 8 | 4 |
| Transistor count | 1400 Million | |
| Unlocked | ||
Memory |
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| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 25.6 GB/s |
| Maximum memory size | 32 GB | 32 GB |
| Supported memory types | DDR3/L/-RS 1333/1600 | DDR3/L/-RS 1333/1600 |
Graphics |
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| Graphics base frequency | 650 MHz | 650 MHz |
| Graphics max dynamic frequency | 1.35 GHz | 1.25 GHz |
| Graphics max frequency | 1.35 GHz | 1.25 GHz |
| Intel® Clear Video HD technology | ||
| Intel® Flexible Display Interface (Intel® FDI) | ||
| Intel® InTru™ 3D technology | ||
| Intel® Quick Sync Video | ||
| Processor graphics | Intel® HD Graphics 4000 | Intel® HD Graphics 4000 |
| Device ID | 0x166 | |
Graphics interfaces |
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| CRT | ||
| DisplayPort | ||
| eDP | ||
| HDMI | ||
| Number of displays supported | 3 | 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 | 37.5 x 37.5mm (rPGA988B) | 37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1023) |
| Sockets supported | FCPGA988 | FCPGA988, FCBGA1023 |
| Thermal Design Power (TDP) | 55 Watt | 35 Watt |
Peripherals |
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| Max number of PCIe lanes | 16 | 16 |
| PCI Express revision | 3.0 | 3.0 |
| PCIe configurations | 1x16, 2x8, 1x8 2x4 | 1x16, 2x8, 1x8 2x4 |
Security & Reliability |
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| Anti-Theft technology | ||
| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® Trusted Execution technology (TXT) | ||
| Intel® Secure Key technology | ||
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® AVX |
| 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 | ||
Virtualization |
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| AMD Virtualization (AMD-V™) | ||
| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
| Intel® VT-x with Extended Page Tables (EPT) | ||
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