Intel Core i7-2649M vs Intel Core i7-2820QM
Comparative analysis of Intel Core i7-2649M and Intel Core i7-2820QM 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).
Differences
Reasons to consider the Intel Core i7-2649M
- Around 80% lower typical power consumption: 25 Watt vs 45 Watt
| Thermal Design Power (TDP) | 25 Watt vs 45 Watt |
Reasons to consider the Intel Core i7-2820QM
- 2 more cores, run more applications at once: 4 vs 2
- 4 more threads: 8 vs 4
- Around 6% higher clock speed: 3.40 GHz vs 3.20 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
- 4x more maximum memory size: 32 GB vs 8.01 GB
| Number of cores | 4 vs 2 |
| Number of threads | 8 vs 4 |
| Maximum frequency | 3.40 GHz vs 3.20 GHz |
| L1 cache | 256 KB vs 128 KB |
| L2 cache | 1024 KB vs 512 KB |
| L3 cache | 8192 KB vs 4096 KB |
| Maximum memory size | 32 GB vs 8.01 GB |
Compare benchmarks
CPU 1: Intel Core i7-2649M
CPU 2: Intel Core i7-2820QM
| Name | Intel Core i7-2649M | Intel Core i7-2820QM |
|---|---|---|
| PassMark - Single thread mark | 1487 | |
| PassMark - CPU mark | 4379 | |
| Geekbench 4 - Single Core | 617 | |
| Geekbench 4 - Multi-Core | 2236 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 4.053 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 65.357 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.459 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.591 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 3.98 |
Compare specifications (specs)
| Intel Core i7-2649M | Intel Core i7-2820QM | |
|---|---|---|
Essentials |
||
| Architecture codename | Sandy Bridge | Sandy Bridge |
| Launch date | 3 January 2011 | 3 January 2011 |
| Place in performance rating | not rated | 2519 |
| Processor Number | i7-2649M | i7-2820QM |
| Series | Legacy Intel® Core™ Processors | Legacy Intel® Core™ Processors |
| Status | Launched | Launched |
| Vertical segment | Mobile | Mobile |
| Launch price (MSRP) | $568 | |
| Price now | $251.04 | |
| Value for money (0-100) | 7.79 | |
Performance |
||
| 64 bit support | ||
| Base frequency | 2.30 GHz | 2.30 GHz |
| Bus Speed | 5 GT/s DMI | 5 GT/s DMI |
| Die size | 149 mm | 216 mm |
| L1 cache | 128 KB | 256 KB |
| L2 cache | 512 KB | 1024 KB |
| L3 cache | 4096 KB | 8192 KB |
| Manufacturing process technology | 32 nm | 32 nm |
| Maximum core temperature | 100 C | 100 C |
| Maximum frequency | 3.20 GHz | 3.40 GHz |
| Number of cores | 2 | 4 |
| Number of threads | 4 | 8 |
| Transistor count | 624 Million | 995 Million |
Memory |
||
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.3 GB/s | 25.6 GB/s |
| Maximum memory size | 8.01 GB | 32 GB |
| Supported memory types | DDR3 1066/1333 | DDR3 1066/1333/1600 |
Graphics |
||
| Device ID | 0x116 | 0x116 |
| Graphics base frequency | 500 MHz | 650 MHz |
| Graphics max dynamic frequency | 1.10 GHz | 1.30 GHz |
| Graphics max frequency | 1.1 GHz | 1.3 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 | Intel® HD Graphics 3000 |
Graphics interfaces |
||
| CRT | ||
| DisplayPort | ||
| eDP | ||
| HDMI | ||
| Number of displays supported | 2 | 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) | 37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224) |
| Sockets supported | FCBGA1023 | FCPGA988, FCBGA1224 |
| Thermal Design Power (TDP) | 25 Watt | 45 Watt |
Peripherals |
||
| Max number of PCIe lanes | 16 | 16 |
| PCI Express revision | 2.0 | 2.0 |
| PCIe configurations | 1x16, 2x8, 1x8+2x4 | 1x16, 2x8, 1x8+2x4 |
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® AVX |
| 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 | ||
| Intel® Advanced Vector Extensions (AVX) | ||
Virtualization |
||
| AMD Virtualization (AMD-V™) | ||
| 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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