Core 2 Extreme QX6700 vs Xeon W-2140B
Aggregate performance score
Xeon W-2140B outperforms Core 2 Extreme QX6700 by a whopping 718% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 910 | 2532 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon W | Core 2 Extreme (Desktop) |
| Power efficiency | 8.77 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Skylake (server) (2017−2018) | Kentsfield (2007) |
| Release date | 21 December 2017 (7 years ago) | no data |
Detailed specifications
Xeon W-2140B and Core 2 Extreme (Desktop) QX6700 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 4.2 GHz | 2.67 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 1066 MHz |
| Multiplier | 32 | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 8 MB (shared) |
| L3 cache | 11 MB (shared) | 0 KB |
| Chip lithography | 14 nm | 65 nm |
| Die size | 484 mm2 | 2x 143 mm2 |
| Maximum case temperature (TCase) | 70 °C | 64 °C |
| Number of transistors | no data | 582 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon W-2140B and Core 2 Extreme (Desktop) QX6700 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 1 |
| Socket | 2066 | 775 |
| Power consumption (TDP) | 120 Watt | 8 MB |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W-2140B and Core 2 Extreme (Desktop) QX6700. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | - |
Security technologies
Xeon W-2140B and Core 2 Extreme (Desktop) QX6700 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W-2140B and Core 2 Extreme (Desktop) QX6700 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W-2140B and Core 2 Extreme (Desktop) QX6700. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR1, DDR2, DDR3 |
| Maximum memory size | 512 GB | no data |
| Maximum memory bandwidth | 85.33 GB/s | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon W-2140B and Core 2 Extreme (Desktop) QX6700.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 48 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 9.82 | 1.20 |
| Physical cores | 8 | 4 |
| Threads | 16 | 4 |
| Chip lithography | 14 nm | 65 nm |
| Power consumption (TDP) | 120 Watt | 8 Watt |
Xeon W-2140B has a 718.3% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 364.3% more advanced lithography process.
Core 2 Extreme QX6700, on the other hand, has 1400% lower power consumption.
The Intel Xeon W-2140B is our recommended choice as it beats the Intel Core 2 Extreme QX6700 in performance tests.
Be aware that Xeon W-2140B is a server/workstation processor while Core 2 Extreme QX6700 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
