Side by side comparison and review of Intel Core i7 640M and Intel Celeron G3900. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Intel Core i7 640M | Intel Celeron G3900 |
|---|
| Product Type | Processor (mobile) | Processor |
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| PROCESSOR | Intel Core i7 640M | Intel Celeron G3900 |
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| Type | Intel Core i7 640M | Intel Celeron G3900 |
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| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 1288-ball BGA | - |
| Compatible Processor Socket | PGA988 Socket | LGA1151 Socket |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 35 W | 51 W |
| PCI Express Revision | 2.0 | 3.0 |
| PCI Express Configurations | 1x16 | 1x16, 2x8, 1x8+2x4 |
| PCI Express Lanes Qty | 16 | 16 |
| Architecture Features | 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 | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Software Guard Extensions (SGX) |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Dual-Core |
|---|---|---|
| Number of Threads | 4 threads | 2 threads |
| Clock Speed (Frequency) | 2.8 GHz | 2.8 GHz |
| Max Turbo Speed | 3.46 GHz | - |
| Bus Speed | 667 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 4 MB | 2 MB |
|---|---|---|
| Cache Memory Details | L3 - 4 MB | Smart Cache - 2 MB |
| Installed Size | 4 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 640M | Intel Celeron G3900 |
|---|
| Type | Intel HD Graphics with Dynamic Frequency | Intel HD Graphics 510 |
|---|---|---|
| Base Frequency | 500 MHz | 350 MHz |
| Max Dynamic Frequency | 766 MHz | 950 MHz |
| Max Supported Memory Size | - | 64 GB |
| Max Supported Resolution | - | 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology | Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider, Triple Display Capable |
| EXPANSION & CONNECTIVITY | Intel Core i7 640M | Intel Celeron G3900 |
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| Compatible Slots | 1 x processor | - |
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| MISCELLANEOUS | Intel Core i7 640M | Intel Celeron G3900 |
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| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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