Xeon w7-2495X vs Atom N455
Aggregate performance score
Xeon w7-2495X outperforms Atom N455 by a whopping 29445% 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 | 3622 | 148 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 15.95 |
| Market segment | Laptop | Server |
| Series | Intel Atom | no data |
| Power efficiency | 0.67 | 6.12 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Pinetrail (2009−2011) | Sapphire Rapids (2023−2024) |
| Release date | 1 June 2010 (15 years ago) | 15 February 2023 (2 years ago) |
| Launch price (MSRP) | $64 | $2,189 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Atom N455 and Xeon w7-2495X 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) | 24 (Tetracosa-Core) |
| Performance-cores | no data | 24 |
| Threads | 2 | 48 |
| Base clock speed | 1.66 GHz | 2.5 GHz |
| Boost clock speed | 1.67 GHz | 4.8 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512K (per core) | 2 MB (per core) |
| L3 cache | 0 KB | 45 MB |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | 66 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 77 °C |
| Number of transistors | 123 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Atom N455 and Xeon w7-2495X 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 | 1 |
| Socket | FCBGA559 | FCLGA4677 |
| Power consumption (TDP) | 6.5 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N455 and Xeon w7-2495X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Atom N455 and Xeon w7-2495X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom N455 and Xeon w7-2495X are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N455 and Xeon w7-2495X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-4800 |
| Maximum memory size | 2 GB | 2 TB |
| Max memory channels | 1 | 4 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom N455 and Xeon w7-2495X.
| PCIe version | no data | 5.0 |
| 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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 0.11 | 32.50 |
| Recency | 1 June 2010 | 15 February 2023 |
| Physical cores | 1 | 24 |
| Threads | 2 | 48 |
| Power consumption (TDP) | 6 Watt | 225 Watt |
Atom N455 has 3650% lower power consumption.
Xeon w7-2495X, on the other hand, has a 29445.5% higher aggregate performance score, an age advantage of 12 years, and 2300% more physical cores and 2300% more threads.
The Intel Xeon w7-2495X is our recommended choice as it beats the Intel Atom N455 in performance tests.
Be aware that Atom N455 is a notebook processor while Xeon w7-2495X is a server/workstation one.
Other comparisons
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