Xeon Gold 6338 vs Core 2 Duo E7400
Aggregate performance score
Xeon Gold 6338 outperforms Core 2 Duo E7400 by a whopping 3759% 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 | 3047 | 287 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.97 | 11.93 |
| Designer | Intel | Intel |
| Architecture codename | Wolfdale (2008−2010) | no data |
| Release date | October 2008 (17 years ago) | 1 April 2021 (4 years ago) |
Detailed specifications
Core 2 Duo E7400 and Xeon Gold 6338 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 | 2 (Dual-core) | 32 (Dotriaconta-Core) |
| Threads | 2 | 64 |
| Base clock speed | 2.8 GHz | 2 GHz |
| Boost clock speed | 2.8 GHz | 3.2 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 64 KB | no data |
| L2 cache | 3 MB (shared) | no data |
| L3 cache | 0 KB | 48 MB |
| Chip lithography | 45 nm | 10 nm |
| Die size | 82 mm2 | no data |
| Maximum core temperature | no data | 81 °C |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 228 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Duo E7400 and Xeon Gold 6338 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 | no data |
| Socket | LGA775 | FCLGA4189 |
| Power consumption (TDP) | 65 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E7400 and Xeon Gold 6338. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Deep Learning Boost | - | + |
Security technologies
Core 2 Duo E7400 and Xeon Gold 6338 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E7400 and Xeon Gold 6338 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7400 and Xeon Gold 6338. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-3200 |
| Maximum memory size | no data | 6 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo E7400 and Xeon Gold 6338.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 64 |
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 | 0.59 | 22.77 |
| Physical cores | 2 | 32 |
| Threads | 2 | 64 |
| Chip lithography | 45 nm | 10 nm |
| Power consumption (TDP) | 65 Watt | 205 Watt |
Core 2 Duo E7400 has 215.4% lower power consumption.
Xeon Gold 6338, on the other hand, has a 3759.3% higher aggregate performance score, 1500% more physical cores and 3100% more threads, and a 350% more advanced lithography process.
The Intel Xeon Gold 6338 is our recommended choice as it beats the Intel Core 2 Duo E7400 in performance tests.
Note that Core 2 Duo E7400 is a desktop processor while Xeon Gold 6338 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
