Xeon Gold 6338T vs i7-3940XM
Primary details
Comparing Core i7-3940XM and Xeon Gold 6338T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1496 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Core i7 | no data |
| Power efficiency | 6.33 | no data |
| Architecture codename | Ivy Bridge (2012−2013) | Ice Lake-SP (2021) |
| Release date | 3 September 2012 (12 years ago) | 6 April 2021 (3 years ago) |
| Launch price (MSRP) | $1,096 | no data |
Detailed specifications
Core i7-3940XM and Xeon Gold 6338T 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 | 4 (Quad-Core) | 24 (Tetracosa-Core) |
| Threads | 8 | 48 |
| Base clock speed | 3 GHz | 2.1 GHz |
| Boost clock speed | 3.9 GHz | 3.4 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 8 MB (shared) | 36 MB (shared) |
| Chip lithography | 22 nm | 10 nm |
| Die size | 160 mm2 | no data |
| Maximum core temperature | 105 °C | no data |
| Maximum case temperature (TCase) | no data | 87 °C |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-3940XM and Xeon Gold 6338T 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 | 2 |
| Socket | FCPGA988 | FCLGA4189 |
| Power consumption (TDP) | 55 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-3940XM and Xeon Gold 6338T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Core i7-3940XM and Xeon Gold 6338T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Identity Protection | + | - |
| SGX | no data | Yes with Intel® SPS |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-3940XM and Xeon Gold 6338T are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-3940XM and Xeon Gold 6338T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-3200 |
| Maximum memory size | 32 GB | 6 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 4000 | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.35 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-3940XM and Xeon Gold 6338T integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-3940XM and Xeon Gold 6338T.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 16 | 64 |
Pros & cons summary
| Recency | 3 September 2012 | 6 April 2021 |
| Physical cores | 4 | 24 |
| Threads | 8 | 48 |
| Chip lithography | 22 nm | 10 nm |
| Power consumption (TDP) | 55 Watt | 165 Watt |
i7-3940XM has 200% lower power consumption.
Xeon Gold 6338T, on the other hand, has an age advantage of 8 years, 500% more physical cores and 500% more threads, and a 120% more advanced lithography process.
We couldn't decide between Core i7-3940XM and Xeon Gold 6338T. We've got no test results to judge.
Be aware that Core i7-3940XM is a notebook processor while Xeon Gold 6338T is a server/workstation one.
Should you still have questions on choice between Core i7-3940XM and Xeon Gold 6338T, ask them in Comments section, and we shall answer.
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