In depth comparison and review of Intel Core i7 840QM and Intel Core i7 6700T (6th 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 Core i7 840QM | Intel Core i7 6700T (6th Gen) |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 840QM | Intel Core i7 6700T (6th Gen) |
|---|
| Type | Intel Core i7 840QM | Intel Core i7 6700T (6th Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 988-pin Micro FCPGA | - |
| Compatible Processor Socket | - | LGA1155 Socket |
| Manufacturing Process | 45 nm | 14 nm |
| Thermal Design Power | 45 W | 35 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 | Enhanced SpeedStep technology, Hyper-Threading Technology, 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, Intel My WiFi Technology, Intel Anti-Theft Technology, Intel Advanced Vector Extensions (AVX), Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 1.86 GHz | 2.8 GHz |
| Max Turbo Speed | 3.2 GHz | 3.6 GHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | 8 MB |
| Installed Size | 8 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 840QM | Intel Core i7 6700T (6th Gen) |
|---|
| Max Supported Memory Size | - | 64 GB |
|---|---|---|
| Max Supported Resolution | - | 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) |
| EXPANSION & CONNECTIVITY | Intel Core i7 840QM | Intel Core i7 6700T (6th Gen) |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Core i7 840QM | Intel Core i7 6700T (6th Gen) |
|---|
| Service & Support | Limited warranty - 3 years | - |
|---|
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