In depth comparison and review of Intel Xeon E5-2643V2 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 Xeon E5-2643V2 | Intel Core i7 840QM |
|---|
| Product Type | Processor | Processor (mobile) |
|---|
| PROCESSOR | Intel Xeon E5-2643V2 | Intel Core i7 840QM |
|---|
| Type | Intel Xeon E5-2643V2 | Intel Core i7 840QM |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | 988-pin Micro FCPGA |
| Compatible Processor Socket | LGA2011 Socket | - |
| Core Voltage | 0.65 V - 1.30 V | - |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 130 W | 45 W |
| Thermal Specification | 74 °C | 100 °C |
| PCI Express Revision | 3.0 | 2.0 |
| PCI Express Configurations | X16, x4, x8 | 1x16, 2x8 |
| PCI Express Lanes Qty | 40 | 16 |
| Architecture Features | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology | 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 | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 8 threads |
| Clock Speed (Frequency) | 3.5 GHz | 1.86 GHz |
| Max Turbo Speed | 3.8 GHz | 3.2 GHz |
| Bus Speed | 1866 MHz | - |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 25 MB | 8 MB |
|---|---|---|
| Cache Memory Details | 25 MB | L3 - 8 MB |
| Installed Size | 25 MB | 8 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2643V2 | Intel Core i7 840QM |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E5-2643V2 | Intel Core i7 840QM |
|---|
| Included Accessories | Passive heatsink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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