Intel Core i7-4600U vs Intel Core i7-3940XM
Comparative analysis of Intel Core i7-4600U and Intel Core i7-3940XM 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), 3DMark Fire Strike - Physics Score.
Differences
Reasons to consider the Intel Core i7-4600U
- CPU is newer: launch date 11 month(s) later
- 3.7x lower typical power consumption: 15 Watt vs 55 Watt
- Around 83% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 30.46 vs 16.624
- Around 83% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 10.252 vs 5.598
| Specifications (specs) | |
| Launch date | 1 September 2013 vs 30 September 2012 |
| Thermal Design Power (TDP) | 15 Watt vs 55 Watt |
| Benchmarks | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 30.46 vs 16.624 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 10.252 vs 5.598 |
Reasons to consider the Intel Core i7-3940XM
- 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 18% higher clock speed: 3.90 GHz vs 3.30 GHz
- 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
- 2x more maximum memory size: 32 GB vs 16 GB
- Around 15% better performance in PassMark - Single thread mark: 1911 vs 1655
- 2.1x better performance in PassMark - CPU mark: 5840 vs 2719
- Around 10% better performance in Geekbench 4 - Single Core: 741 vs 672
- 2.1x better performance in Geekbench 4 - Multi-Core: 2890 vs 1363
- 2.3x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 14.555 vs 6.333
- 2.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.613 vs 0.276
- 2x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.454 vs 1.202
- Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 2709 vs 2654
- Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 2709 vs 2654
| Specifications (specs) | |
| Unlocked | Unlocked vs Locked |
| Number of cores | 4 vs 2 |
| Number of threads | 8 vs 4 |
| Maximum frequency | 3.90 GHz vs 3.30 GHz |
| 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 |
| Maximum memory size | 32 GB vs 16 GB |
| Benchmarks | |
| PassMark - Single thread mark | 1911 vs 1655 |
| PassMark - CPU mark | 5840 vs 2719 |
| Geekbench 4 - Single Core | 741 vs 672 |
| Geekbench 4 - Multi-Core | 2890 vs 1363 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 14.555 vs 6.333 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.613 vs 0.276 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 2.454 vs 1.202 |
| GFXBench 4.0 - T-Rex (Frames) | 2709 vs 2654 |
| GFXBench 4.0 - T-Rex (Fps) | 2709 vs 2654 |
Compare benchmarks
CPU 1: Intel Core i7-4600U
CPU 2: Intel Core i7-3940XM
| 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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| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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| CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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| CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/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 i7-4600U | Intel Core i7-3940XM |
|---|---|---|
| PassMark - Single thread mark | 1655 | 1911 |
| PassMark - CPU mark | 2719 | 5840 |
| Geekbench 4 - Single Core | 672 | 741 |
| Geekbench 4 - Multi-Core | 1363 | 2890 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.333 | 14.555 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 30.46 | 16.624 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.276 | 0.613 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.202 | 2.454 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 10.252 | 5.598 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 815 | |
| GFXBench 4.0 - Manhattan (Frames) | 1667 | |
| GFXBench 4.0 - T-Rex (Frames) | 2654 | 2709 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 815 | |
| GFXBench 4.0 - Manhattan (Fps) | 1667 | |
| GFXBench 4.0 - T-Rex (Fps) | 2654 | 2709 |
| 3DMark Fire Strike - Physics Score | 0 |
Compare specifications (specs)
| Intel Core i7-4600U | Intel Core i7-3940XM | |
|---|---|---|
Essentials |
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| Architecture codename | Haswell | Ivy Bridge |
| Launch date | 1 September 2013 | 30 September 2012 |
| Launch price (MSRP) | $398 | $1,096 |
| Place in performance rating | 2131 | 2137 |
| Processor Number | i7-4600U | i7-3940XM |
| Series | 4th Generation Intel® Core™ i7 Processors | Intel® Core™ X-series Processors |
| Status | Launched | Launched |
| Vertical segment | Mobile | Mobile |
| Price now | $539 | |
| Value for money (0-100) | 5.08 | |
Performance |
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| 64 bit support | ||
| Base frequency | 2.10 GHz | 3.00 GHz |
| Bus Speed | 5 GT/s DMI2 | 5 GT/s DMI |
| Die size | 181 mm | 160 mm |
| L1 cache | 128 KB | 256 KB |
| L2 cache | 512 KB | 1024 KB |
| L3 cache | 4 MB | 8192 KB |
| Manufacturing process technology | 22 nm | 22 nm |
| Maximum core temperature | 100°C | 105 °C |
| Maximum frequency | 3.30 GHz | 3.90 GHz |
| Number of cores | 2 | 4 |
| Number of threads | 4 | 8 |
| Transistor count | 1300 Million | 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 | 16 GB | 32 GB |
| Supported memory types | DDR3L 1333/1600, LPDDR3 1333/1600 | DDR3/L/-RS 1333/1600 |
Graphics |
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| Device ID | 0xA16 | |
| Graphics base frequency | 200 MHz | 650 MHz |
| Graphics max dynamic frequency | 1.10 GHz | 1.35 GHz |
| Graphics max frequency | 1.1 GHz | 1.35 GHz |
| Intel® Clear Video HD technology | ||
| Intel® Flexible Display Interface (Intel® FDI) | ||
| Intel® InTru™ 3D technology | ||
| Intel® Quick Sync Video | ||
| Max video memory | 2 GB | |
| Processor graphics | Intel® HD Graphics 4400 | Intel® HD Graphics 4000 |
Graphics interfaces |
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| DisplayPort | ||
| eDP | ||
| HDMI | ||
| Number of displays supported | 3 | 3 |
| VGA | ||
| Wireless Display (WiDi) support | ||
| CRT | ||
| SDVO | ||
Graphics image quality |
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| Max resolution over DisplayPort | 3200x2000@60Hz | |
| Max resolution over HDMI 1.4 | 3200x2000@60Hz | |
| Max resolution over VGA | N / A | |
Graphics API support |
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| DirectX | 11.2/12 | |
| OpenGL | 4.3 | |
Compatibility |
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| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 40mm x 24mm x 1.5mm | 37.5 x 37.5mm (rPGA988B) |
| Sockets supported | FCBGA1168 | FCPGA988 |
| Thermal Design Power (TDP) | 15 Watt | 55 Watt |
Peripherals |
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| Integrated IDE | ||
| Integrated LAN | ||
| Max number of PCIe lanes | 12 | 16 |
| Max number of SATA 6 Gb/s Ports | 4 | |
| Number of USB ports | 4 | |
| PCI Express revision | 2.0 | 3.0 |
| PCI support | ||
| PCIe configurations | 4x1, 2x4 | 1x16, 2x8, 1x8 2x4 |
| Total number of SATA ports | 4 | |
| UART | ||
| USB revision | 3.0 | |
Security & Reliability |
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| Anti-Theft technology | ||
| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® Secure Key technology | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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| Enhanced Intel SpeedStep® technology | ||
| Flexible Display interface (FDI) | ||
| General-Purpose Input/Output (GPIO) | ||
| HD Audio | ||
| Idle States | ||
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® AVX |
| Intel 64 | ||
| Intel® Active Management technology (AMT) | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Intel® AES New Instructions | ||
| Intel® Hyper-Threading technology | ||
| Intel® ME Firmware Version | 9.5 | |
| Intel® Rapid Storage technology (RST) | ||
| Intel® Smart Response technology | ||
| Intel® Stable Image Platform Program (SIPP) | ||
| Intel® TSX-NI | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Smart Connect | ||
| Thermal Monitoring | ||
| 4G WiMAX Wireless | ||
| Intel® Demand Based Switching | ||
| Intel® Fast Memory Access | ||
| Intel® Flex Memory Access | ||
| Intel® My WiFi technology | ||
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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