Xeon E-2388G vs 2.66
Primary details
Comparing Xeon 2.66 and Xeon E-2388G processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 405 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 33.23 |
| Market segment | Server | Server |
| Architecture codename | Prestonia (2002) | Rocket Lake-E (2021) |
| Release date | November 2002 (21 year ago) | 8 September 2021 (2 years ago) |
| Current price | $43 | $707 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon 2.66 and Xeon E-2388G 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 | 1 (Single-Core) | 8 (Octa-Core) |
| Threads | 1 | 16 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 2.66 GHz | 5.1 GHz |
| L1 cache | 16 KB | 64K (per core) |
| L2 cache | 512 KB | 512K (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 130 nm | 14 nm |
| Die size | 217 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 55 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Xeon 2.66 and Xeon E-2388G 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 | 2 | 1 |
| Socket | 604 | FCLGA1200 |
| Power consumption (TDP) | 89 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 2.66 and Xeon E-2388G. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| Status | no data | Launched |
Security technologies
Xeon 2.66 and Xeon E-2388G technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 2.66 and Xeon E-2388G 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 Xeon 2.66 and Xeon E-2388G. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| ECC memory support | no data | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics P750 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | no data | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.3 GHz |
| Execution Units | no data | 32 |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Xeon 2.66 and Xeon E-2388G integrated GPUs.
| Number of displays supported | no data | 1 |
Graphics image quality
Maximum display resolutions supported by Xeon 2.66 and Xeon E-2388G integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2160 @60 Hz |
| Max resolution over eDP | no data | 5120 x 3200 @ 60 Hz |
| Max resolution over DisplayPort | no data | 5120 x 3200 @ 60 Hz |
Graphics API support
APIs supported by Xeon 2.66 and Xeon E-2388G integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Xeon 2.66 and Xeon E-2388G.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Benchmark coverage: 68%
E-2388G outperforms 2.66 by 5351% in Passmark.
Pros & cons summary
| Physical cores | 1 | 8 |
| Threads | 1 | 16 |
| Chip lithography | 130 nm | 14 nm |
| Power consumption (TDP) | 89 Watt | 95 Watt |
We couldn't decide between Xeon 2.66 and Xeon E-2388G. We've got no test results to judge.
Should you still have questions on choice between Xeon 2.66 and Xeon E-2388G, ask them in Comments section, and we shall answer.
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