In depth comparison and review of Intel Celeron G1820 and Intel Core i7 840QM. 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 Celeron G1820 | Intel Core i7 840QM |
|---|
| Product Type | Processor | Processor (mobile) |
|---|
| PROCESSOR | Intel Celeron G1820 | Intel Core i7 840QM |
|---|
| Type | Intel Celeron G1820 | Intel Core i7 840QM |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | 988-pin Micro FCPGA |
| Compatible Processor Socket | LGA1150 Socket | - |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 53 W | 45 W |
| Thermal Specification | - | 100 °C |
| PCI Express Revision | 3.0 | 2.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | 1x16, 2x8 |
| PCI Express Lanes Qty | 16 | 16 |
| Architecture Features | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel 64 Technology, 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 Turbo Boost Technology, Intel 64 Technology, Intel Trusted Execution Technology, Enhanced Halt State (C1E), streaming SIMD extensions 4.2 |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 2 threads | 8 threads |
| Clock Speed (Frequency) | 2.7 GHz | 1.86 GHz |
| Max Turbo Speed | - | 3.2 GHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 2 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 2 MB | L3 - 8 MB |
| Installed Size | 2 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Celeron G1820 | Intel Core i7 840QM |
|---|
| Type | Intel HD Graphics | - |
|---|---|---|
| Base Frequency | 350 MHz | - |
| Max Dynamic Frequency | 1.05 GHz | - |
| Max Supported Memory Size | 1.7 GB | - |
| Max Supported Resolution | 1920x1080@60Hz (HDMI), 1920x1200@60Hz (VGA), 2560x1600@60Hz (DP), 2560x1600@60Hz (eDP) | - |
| Features | Intel Quick Sync Video | - |
| EXPANSION & CONNECTIVITY | Intel Celeron G1820 | Intel Core i7 840QM |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Celeron G1820 | Intel Core i7 840QM |
|---|
| Compliant Standards | RoHS | - |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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