Intel Core i7-7660U vs Intel Core i7-3820QM
Comparative analysis of Intel Core i7-7660U and Intel Core i7-3820QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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 Core i7-7660U
- CPU is newer: launch date 4 year(s) 8 month(s) later
- Around 8% higher clock speed: 4.00 GHz vs 3.70 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
- 3x lower typical power consumption: 15 Watt vs 45 Watt
- Around 15% better performance in PassMark - Single thread mark: 2143 vs 1870
- Around 21% better performance in Geekbench 4 - Single Core: 900 vs 742
- Around 61% better performance in GFXBench 4.0 - T-Rex (Frames): 3331 vs 2072
- Around 61% better performance in GFXBench 4.0 - T-Rex (Fps): 3331 vs 2072
| Specifications (specs) | |
| Launch date | 3 January 2017 vs 23 April 2012 |
| Maximum frequency | 4.00 GHz vs 3.70 GHz |
| Manufacturing process technology | 14 nm vs 22 nm |
| Thermal Design Power (TDP) | 15 Watt vs 45 Watt |
| Benchmarks | |
| PassMark - Single thread mark | 2143 vs 1870 |
| Geekbench 4 - Single Core | 900 vs 742 |
| GFXBench 4.0 - T-Rex (Frames) | 3331 vs 2072 |
| GFXBench 4.0 - T-Rex (Fps) | 3331 vs 2072 |
Reasons to consider the Intel Core i7-3820QM
- 2 more cores, run more applications at once: 4 vs 2
- 4 more threads: 8 vs 4
- Around 5% higher maximum core temperature: 105°C vs 100°C
- 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 39% better performance in PassMark - CPU mark: 5659 vs 4062
- Around 34% better performance in Geekbench 4 - Multi-Core: 2789 vs 2074
- 5x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 14.238 vs 2.838
| Specifications (specs) | |
| Number of cores | 4 vs 2 |
| Number of threads | 8 vs 4 |
| Maximum core temperature | 105°C vs 100°C |
| L1 cache | 256 KB vs 128 KB |
| L2 cache | 1024 KB vs 512 KB |
| L3 cache | 8192 KB vs 4 MB |
| Benchmarks | |
| PassMark - CPU mark | 5659 vs 4062 |
| Geekbench 4 - Multi-Core | 2789 vs 2074 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 14.238 vs 2.838 |
Compare benchmarks
CPU 1: Intel Core i7-7660U
CPU 2: Intel Core i7-3820QM
| 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 i7-7660U | Intel Core i7-3820QM |
|---|---|---|
| PassMark - Single thread mark | 2143 | 1870 |
| PassMark - CPU mark | 4062 | 5659 |
| Geekbench 4 - Single Core | 900 | 742 |
| Geekbench 4 - Multi-Core | 2074 | 2789 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 2.838 | 14.238 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 48.847 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.366 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.316 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 3.312 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2128 | |
| GFXBench 4.0 - Manhattan (Frames) | 1736 | |
| GFXBench 4.0 - T-Rex (Frames) | 3331 | 2072 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2128 | |
| GFXBench 4.0 - Manhattan (Fps) | 1736 | |
| GFXBench 4.0 - T-Rex (Fps) | 3331 | 2072 |
Compare specifications (specs)
| Intel Core i7-7660U | Intel Core i7-3820QM | |
|---|---|---|
Essentials |
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| Architecture codename | Kaby Lake | Ivy Bridge |
| Launch date | 3 January 2017 | 23 April 2012 |
| Launch price (MSRP) | $415 | $498 |
| Place in performance rating | 1660 | 1672 |
| Processor Number | i7-7660U | i7-3820QM |
| Series | 7th Generation Intel® Core™ i7 Processors | Legacy Intel® Core™ Processors |
| Status | Launched | Launched |
| Vertical segment | Mobile | Mobile |
| Price now | $486.99 | |
| Value for money (0-100) | 5.10 | |
Performance |
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| 64 bit support | ||
| Base frequency | 2.50 GHz | 2.70 GHz |
| Bus Speed | 4 GT/s OPI | 5 GT/s DMI |
| L1 cache | 128 KB | 256 KB |
| L2 cache | 512 KB | 1024 KB |
| L3 cache | 4 MB | 8192 KB |
| Manufacturing process technology | 14 nm | 22 nm |
| Maximum core temperature | 100°C | 105°C |
| Maximum frequency | 4.00 GHz | 3.70 GHz |
| Number of cores | 2 | 4 |
| Number of threads | 4 | 8 |
| Die size | 160 mm | |
| Transistor count | 1400 Million | |
Memory |
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| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 34.1 GB/s | 25.6 GB/s |
| Maximum memory size | 32 GB | 32 GB |
| Supported memory types | DDR4-2133, LPDDR3-1866, DDR3L-1600 | DDR3/L/-RS 1333/1600 |
Graphics |
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| Device ID | 0x5926 | 0x166 |
| eDRAM | 64 MB | |
| Graphics base frequency | 300 MHz | 650 MHz |
| Graphics max dynamic frequency | 1.10 GHz | 1.25 GHz |
| Graphics max frequency | 1.1 GHz | 1.25 GHz |
| Intel® Clear Video HD technology | ||
| Intel® Clear Video technology | ||
| Intel® InTru™ 3D technology | ||
| Intel® Quick Sync Video | ||
| Max video memory | 32 GB | |
| Processor graphics | Intel® Iris® Plus Graphics 640 | Intel® HD Graphics 4000 |
| Intel® Flexible Display Interface (Intel® FDI) | ||
Graphics interfaces |
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| DisplayPort | ||
| DVI | ||
| eDP | ||
| HDMI | ||
| Number of displays supported | 3 | 3 |
| CRT | ||
| SDVO | ||
| Wireless Display (WiDi) support | ||
Graphics image quality |
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| 4K resolution support | ||
| Max resolution over DisplayPort | 4096x2304@60Hz | |
| Max resolution over eDP | 4096x2304@60Hz | |
| Max resolution over HDMI 1.4 | 4096x2304@30Hz | |
Graphics API support |
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| DirectX | 12 | |
| OpenGL | 4.5 | |
Compatibility |
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| Configurable TDP-down | 9.5 W | |
| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 42x24x1.3 | 37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224) |
| Sockets supported | FCBGA1356 | FCBGA1224, FCPGA988 |
| Thermal Design Power (TDP) | 15 Watt | 45 Watt |
Peripherals |
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| Max number of PCIe lanes | 12 | 16 |
| PCI Express revision | 3.0 | 3.0 |
| PCIe configurations | 1x4, 2x2, 1x2+2x1 and 4x1 | 1x16, 2x8, 1x8 2x4 |
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® Memory Protection Extensions (Intel® MPX) | ||
| Intel® OS Guard | ||
| Intel® Secure Key technology | ||
| Intel® Software Guard Extensions (Intel® SGX) | ||
| Intel® Trusted Execution technology (TXT) | ||
| Anti-Theft technology | ||
Advanced Technologies |
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| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® AVX |
| Intel 64 | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Intel® AES New Instructions | ||
| Intel® Flex Memory Access | ||
| Intel® Hyper-Threading technology | ||
| Intel® My WiFi technology | ||
| Intel® Smart Response technology | ||
| Intel® Stable Image Platform Program (SIPP) | ||
| Intel® TSX-NI | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Speed Shift technology | ||
| Thermal Monitoring | ||
| 4G WiMAX Wireless | ||
| Flexible Display interface (FDI) | ||
| Intel® Demand Based Switching | ||
| Intel® Fast Memory Access | ||
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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