Intel Core i7-2637M vs Intel Core i7-840QM
Comparative analysis of Intel Core i7-2637M and Intel Core i7-840QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the Intel Core i7-2637M
- CPU is newer: launch date 7 month(s) later
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
- 2.6x lower typical power consumption: 17 Watt vs 45 Watt
- Around 1% better performance in PassMark - Single thread mark: 1155 vs 1138
- Around 13% better performance in Geekbench 4 - Single Core: 449 vs 398
| Specifications (specs) | |
| Launch date | 3 January 2011 vs 1 June 2010 |
| Manufacturing process technology | 32 nm vs 45 nm |
| Maximum memory size | 8.01 GB vs 8 GB |
| Thermal Design Power (TDP) | 17 Watt vs 45 Watt |
| Benchmarks | |
| PassMark - Single thread mark | 1155 vs 1138 |
| Geekbench 4 - Single Core | 449 vs 398 |
Reasons to consider the Intel Core i7-840QM
- 2 more cores, run more applications at once: 4 vs 2
- 4 more threads: 8 vs 4
- Around 14% higher clock speed: 3.20 GHz vs 2.80 GHz
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 4% better performance in PassMark - CPU mark: 1952 vs 1868
- Around 34% better performance in Geekbench 4 - Multi-Core: 1289 vs 963
| Specifications (specs) | |
| Number of cores | 4 vs 2 |
| Number of threads | 8 vs 4 |
| Maximum frequency | 3.20 GHz vs 2.80 GHz |
| L1 cache | 256 KB vs 128 KB |
| L2 cache | 1 MB vs 512 KB |
| L3 cache | 8 MB vs 4 MB |
| Benchmarks | |
| PassMark - CPU mark | 1952 vs 1868 |
| Geekbench 4 - Multi-Core | 1289 vs 963 |
Compare benchmarks
CPU 1: Intel Core i7-2637M
CPU 2: Intel Core i7-840QM
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| Geekbench 4 - Single Core |
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| Geekbench 4 - Multi-Core |
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| Name | Intel Core i7-2637M | Intel Core i7-840QM |
|---|---|---|
| PassMark - Single thread mark | 1155 | 1138 |
| PassMark - CPU mark | 1868 | 1952 |
| Geekbench 4 - Single Core | 449 | 398 |
| Geekbench 4 - Multi-Core | 963 | 1289 |
Compare specifications (specs)
| Intel Core i7-2637M | Intel Core i7-840QM | |
|---|---|---|
Essentials |
||
| Architecture codename | Sandy Bridge | Clarksfield |
| Launch date | 3 January 2011 | 1 June 2010 |
| Launch price (MSRP) | $289 | $568 |
| Place in performance rating | 2488 | 2502 |
| Processor Number | i7-2637M | i7-840QM |
| Series | Legacy Intel® Core™ Processors | Legacy Intel® Core™ Processors |
| Status | Launched | Discontinued |
| Vertical segment | Mobile | Mobile |
| Price now | $289.97 | |
| Value for money (0-100) | 3.46 | |
Performance |
||
| 64 bit support | ||
| Base frequency | 1.70 GHz | 1.86 GHz |
| Bus Speed | 5 GT/s DMI | 2.5 GT/s DMI |
| Die size | 149 mm | 296 mm2 |
| L1 cache | 128 KB | 256 KB |
| L2 cache | 512 KB | 1 MB |
| L3 cache | 4 MB | 8 MB |
| Manufacturing process technology | 32 nm | 45 nm |
| Maximum core temperature | 100 C | 100°C |
| Maximum frequency | 2.80 GHz | 3.20 GHz |
| Number of cores | 2 | 4 |
| Number of threads | 4 | 8 |
| Transistor count | 624 Million | 774 million |
| Front-side bus (FSB) | 2500 MHz | |
Memory |
||
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.3 GB/s | 21 GB/s |
| Maximum memory size | 8.01 GB | 8 GB |
| Supported memory types | DDR3 1066/1333 | DDR3 1066/1333 |
Graphics |
||
| Device ID | 0x116 | |
| Graphics base frequency | 350 MHz | |
| Graphics max dynamic frequency | 1.20 GHz | |
| Graphics max frequency | 1.2 GHz | |
| Intel® Clear Video HD technology | ||
| Intel® Flexible Display Interface (Intel® FDI) | ||
| Intel® InTru™ 3D technology | ||
| Intel® Quick Sync Video | ||
| Processor graphics | Intel® HD Graphics 3000 | |
Graphics interfaces |
||
| CRT | ||
| DisplayPort | ||
| eDP | ||
| HDMI | ||
| Number of displays supported | 2 | |
| SDVO | ||
| Wireless Display (WiDi) support | ||
Compatibility |
||
| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 31.0mm x 24.0mm (BGA1023) | 37.5mm x 37.5mm |
| Sockets supported | FCBGA1023 | PGA988 |
| Thermal Design Power (TDP) | 17 Watt | 45 Watt |
Peripherals |
||
| Max number of PCIe lanes | 16 | 16 |
| PCI Express revision | 2.0 | 2 |
| PCIe configurations | 1x16, 2x8, 1x8 2x4 | 1x16, 2x8 |
Security & Reliability |
||
| Anti-Theft technology | ||
| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
||
| 4G WiMAX Wireless | ||
| Enhanced Intel SpeedStep® technology | ||
| Flexible Display interface (FDI) | ||
| Idle States | ||
| Instruction set extensions | Intel® AVX | Intel® SSE4.2 |
| Intel 64 | ||
| Intel® AES New Instructions | ||
| Intel® Demand Based Switching | ||
| Intel® Fast Memory Access | ||
| Intel® Flex Memory Access | ||
| Intel® Hyper-Threading technology | ||
| Intel® My WiFi technology | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Thermal Monitoring | ||
| Physical Address Extensions (PAE) | 36-bit | |
Virtualization |
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| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
| Intel® VT-x with Extended Page Tables (EPT) | ||
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