Intel Core i9-7940X vs Intel Core 2 Extreme QX9770
Comparative analysis of Intel Core i9-7940X and Intel Core 2 Extreme QX9770 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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, 3DMark Fire Strike - Physics Score.
Differences
Reasons to consider the Intel Core i9-7940X
- CPU is newer: launch date 9 year(s) 6 month(s) later
- 10 more cores, run more applications at once: 14 vs 4
- Around 34% higher clock speed: 4.30 GHz vs 3.2 GHz
- Around 84% higher maximum core temperature: 102°C vs 55.5°C
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
- 3.5x more L1 cache, more data can be stored in the L1 cache for quick access later
- Around 17% more L2 cache; more data can be stored in the L2 cache for quick access later
- Around 93% better performance in Geekbench 4 - Multi-Core: 12928 vs 6682
Specifications (specs) | |
Launch date | September 2017 vs March 2008 |
Number of cores | 14 vs 4 |
Maximum frequency | 4.30 GHz vs 3.2 GHz |
Maximum core temperature | 102°C vs 55.5°C |
Manufacturing process technology | 14 nm vs 45 nm |
L1 cache | 64 KB (per core) vs 256 KB |
L2 cache | 1024 KB (per core) vs 12288 KB |
Benchmarks | |
Geekbench 4 - Multi-Core | 12928 vs 6682 |
Reasons to consider the Intel Core 2 Extreme QX9770
- Around 21% lower typical power consumption: 136 Watt vs 165 Watt
- 2x better performance in Geekbench 4 - Single Core: 2338 vs 1153
Specifications (specs) | |
Thermal Design Power (TDP) | 136 Watt vs 165 Watt |
Benchmarks | |
Geekbench 4 - Single Core | 2338 vs 1153 |
Compare benchmarks
CPU 1: Intel Core i9-7940X
CPU 2: Intel Core 2 Extreme QX9770
Geekbench 4 - Single Core |
|
|
||||
Geekbench 4 - Multi-Core |
|
|
Name | Intel Core i9-7940X | Intel Core 2 Extreme QX9770 |
---|---|---|
PassMark - Single thread mark | 2491 | |
PassMark - CPU mark | 25987 | |
Geekbench 4 - Single Core | 1153 | 2338 |
Geekbench 4 - Multi-Core | 12928 | 6682 |
3DMark Fire Strike - Physics Score | 10950 |
Compare specifications (specs)
Intel Core i9-7940X | Intel Core 2 Extreme QX9770 | |
---|---|---|
Essentials |
||
Architecture codename | Skylake | Yorkfield |
Launch date | September 2017 | March 2008 |
Launch price (MSRP) | $1,399 | |
Place in performance rating | 749 | 755 |
Price now | $1,129.99 | |
Processor Number | i9-7940X | QX9770 |
Series | Intel® Core™ X-series Processors | Legacy Intel® Core™ Processors |
Status | Launched | Discontinued |
Value for money (0-100) | 6.63 | |
Vertical segment | Desktop | Desktop |
Performance |
||
64 bit support | ||
Base frequency | 3.10 GHz | 3.20 GHz |
Bus Speed | 8 GT/s DMI3 | 1600 MHz FSB |
L1 cache | 64 KB (per core) | 256 KB |
L2 cache | 1024 KB (per core) | 12288 KB |
L3 cache | 19712 KB (shared) | |
Manufacturing process technology | 14 nm | 45 nm |
Maximum core temperature | 102°C | 55.5°C |
Maximum frequency | 4.30 GHz | 3.2 GHz |
Number of cores | 14 | 4 |
Number of QPI Links | 0 | |
Number of threads | 28 | |
Unlocked | ||
Die size | 214 mm2 | |
Maximum case temperature (TCase) | 55 °C | |
Transistor count | 820 million | |
VID voltage range | 0.8500V-1.3625V | |
Memory |
||
Max memory channels | 4 | |
Maximum memory size | 128 GB | |
Supported memory types | DDR4-2666 | DDR1, DDR2, DDR3 |
Compatibility |
||
Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 1 |
Sockets supported | FCLGA2066 | LGA775 |
Thermal Design Power (TDP) | 165 Watt | 136 Watt |
Thermal Solution | PCG 2017X | |
Package Size | 37.5mm x 37.5mm | |
Peripherals |
||
Max number of PCIe lanes | 44 | |
PCI Express revision | 3.0 | |
Scalability | 1S Only | |
Security & Reliability |
||
Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
||
Enhanced Intel SpeedStep® technology | ||
Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | |
Intel 64 | ||
Intel® Advanced Vector Extensions (AVX) | ||
Intel® AES New Instructions | ||
Intel® Hyper-Threading technology | ||
Intel® Optane™ Memory Supported | ||
Intel® Turbo Boost technology | ||
Number of AVX-512 FMA Units | 2 | |
FSB parity | ||
Idle States | ||
Intel® Demand Based Switching | ||
Thermal Monitoring | ||
Virtualization |
||
Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) |