In depth comparison and review of Intel Core i7 840QM and Intel Xeon E3-1275LV3. 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 Core i7 840QM | Intel Xeon E3-1275LV3 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 840QM | Intel Xeon E3-1275LV3 |
|---|
| Type | Intel Core i7 840QM | Intel Xeon E3-1275LV3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 988-pin Micro FCPGA | - |
| Compatible Processor Socket | - | LGA1150 Socket |
| Manufacturing Process | 45 nm | 22 nm |
| Thermal Design Power | 45 W | 45 W |
| Thermal Specification | 100 °C | - |
| PCI Express Revision | 2.0 | 3.0 |
| PCI Express Configurations | 1x16, 2x8 | 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, Enhanced Halt State (C1E), streaming SIMD extensions 4.2 | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0 |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 1.86 GHz | 2.7 GHz |
| Max Turbo Speed | 3.2 GHz | 3.9 GHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | Smart Cache - 8 MB |
| Installed Size | 8 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 840QM | Intel Xeon E3-1275LV3 |
|---|
| Type | - | Intel HD Graphics |
|---|---|---|
| Base Frequency | - | 350 MHz |
| Max Dynamic Frequency | - | 1.2 GHz |
| Max Supported Memory Size | - | 1.7 GB |
| Max Supported Resolution | - | 3840x2160@60Hz (DP), 2880x1800@60Hz (VGA), 3840x2160@60Hz (HDMI) |
| Features | - | Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Triple Display Capable |
| EXPANSION & CONNECTIVITY | Intel Core i7 840QM | Intel Xeon E3-1275LV3 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Core i7 840QM | Intel Xeon E3-1275LV3 |
|---|
| Compliant Standards | - | RoHS |
|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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