Detailed comparison and review of Intel Celeron G1840T and Intel Core i7 640M. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Celeron G1840T | Intel Core i7 640M |
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| Product Type | Processor | Processor (mobile) |
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| PROCESSOR | Intel Celeron G1840T | Intel Core i7 640M |
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| Type | Intel Celeron G1840T | Intel Core i7 640M |
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| ARCHITECTURE |
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| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | 1288-ball BGA |
| Compatible Processor Socket | LGA1150 Socket | PGA988 Socket |
| Manufacturing Process | 22 nm | 32 nm |
| Thermal Design Power | 35 W | 35 W |
| Thermal Specification | 66.4 °C | - |
| PCI Express Revision | 3.0 | 2.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | 1x16 |
| PCI Express Lanes Qty | 16 | 16 |
| Architecture Features | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Dual-Core |
|---|---|---|
| Number of Threads | 2 threads | 4 threads |
| Clock Speed (Frequency) | 2.5 GHz | 2.8 GHz |
| Max Turbo Speed | - | 3.46 GHz |
| Bus Speed | 1133 MHz | 667 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 2 MB | 4 MB |
|---|---|---|
| Cache Memory Details | L3 - 2 MB | L3 - 4 MB |
| Installed Size | 2 MB | 4 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Celeron G1840T | Intel Core i7 640M |
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| Type | Intel HD Graphics | Intel HD Graphics with Dynamic Frequency |
|---|---|---|
| Base Frequency | 200 MHz | 500 MHz |
| Max Dynamic Frequency | 1.05 GHz | 766 MHz |
| Max Supported Memory Size | 1.7 GB | - |
| Max Supported Resolution | 1920x1080@60Hz (HDMI), 1920x1200@60Hz (VGA), 2560x1600@60Hz (DP), 2560x1600@60Hz (eDP) | - |
| Features | Intel Clear Video HD Technology, Intel Quick Sync Video, Triple Display Capable | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology |
| EXPANSION & CONNECTIVITY | Intel Celeron G1840T | Intel Core i7 640M |
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| Compatible Slots | - | 1 x processor |
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| MISCELLANEOUS | Intel Celeron G1840T | Intel Core i7 640M |
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| Service & Support | - | Limited warranty - 3 years |
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