In depth comparison and review of Intel Pentium G640 and Intel Core i7 4790 (4th Gen). Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
GENERAL | Intel Pentium G640 | Intel Core i7 4790 (4th Gen) |
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Product Type | Processor | Processor |
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PROCESSOR | Intel Pentium G640 | Intel Core i7 4790 (4th Gen) |
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Type | Intel Pentium G640 | Intel Core i7 4790 (4th Gen) |
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ARCHITECTURE |
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Processor Qty | - | 1 |
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Compatible Processor Socket | LGA1155 Socket | LGA1150 Socket |
Manufacturing Process | 32 nm | 22 nm |
Thermal Design Power | 65 W | 95 W |
Thermal Specification | 69.1 °C | 72.72 °C |
PCI Express Revision | 2.0 | 3.0 |
PCI Express Configurations | - | 1x16, 2x8, 1x8+2x4 |
PCI Express Lanes Qty | - | 16 |
Architecture Features | Enhanced SpeedStep technology, integrated memory controller, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel My WiFi Technology, Intel Anti-Theft Technology, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Intel Smart Cache, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel Stable Image Platform Program (SIPP) |
PERFORMANCE |
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Number of Cores | Dual-Core | Quad-Core |
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Number of Threads | 2 threads | 8 threads |
Clock Speed (Frequency) | 2.8 GHz | 3.6 GHz |
Max Turbo Speed | - | 4 GHz |
CACHE MEMORY |
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Cache | 3 MB | 8 MB |
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Cache Memory Details | Smart Cache - 3 MB | Smart Cache - 8 MB |
Installed Size | 3 MB | 8 MB |
INTEGRATED GRAPHICS (GPU) | Intel Pentium G640 | Intel Core i7 4790 (4th Gen) |
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Type | Intel HD Graphics | Intel HD Graphics 4600 |
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Base Frequency | 850 MHz | 350 MHz |
Max Dynamic Frequency | 1.1 GHz | 1.2 GHz |
Max Supported Memory Size | - | 2 GB |
Max Supported Resolution | - | 4096x2304@24Hz (HDMI), 3840x2160@60Hz (DP), 3840x2160@60Hz (eDP), 1920x1200@60Hz (VGA) |
Features | Dual Display Capable, Intel FDI | Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider, Triple Display Capable |
EXPANSION & CONNECTIVITY | Intel Pentium G640 | Intel Core i7 4790 (4th Gen) |
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Compatible Slots | - | 1 x processor - LGA1150 Socket |
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MISCELLANEOUS | Intel Pentium G640 | Intel Core i7 4790 (4th Gen) |
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Compliant Standards | Lead-Free, halogen-free | - |
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Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |