Xeon Bronze 3408U vs W3503
Aggregate performance score
Xeon Bronze 3408U outperforms Xeon W3503 by a whopping 752% based on our aggregate benchmark results.
Primary details
Comparing Xeon W3503 and Xeon Bronze 3408U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2697 | 1089 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.15 | 27.37 |
| Market segment | Server | Server |
| Power efficiency | 0.51 | 4.56 |
| Architecture codename | Bloomfield (2008−2010) | Sapphire Rapids (2023−2024) |
| Release date | 30 March 2009 (15 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $65 | $425 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Bronze 3408U has 560% better value for money than Xeon W3503.
Detailed specifications
Xeon W3503 and Xeon Bronze 3408U 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) | 8 (Octa-Core) |
| Threads | 2 | 8 |
| Base clock speed | 2.4 GHz | 1.8 GHz |
| Boost clock speed | 2.4 GHz | 1.9 GHz |
| L1 cache | 64 KB (per core) | 80K (per core) |
| L2 cache | 256 KB (per core) | 2 MB (per core) |
| L3 cache | 4 MB (shared) | 22.5 MB |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | 263 mm2 | no data |
| Maximum case temperature (TCase) | no data | 79 °C |
| Number of transistors | 731 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 0.8V-1.225V | no data |
Compatibility
Information on Xeon W3503 and Xeon Bronze 3408U 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 | 1366 | FCLGA4677 |
| Power consumption (TDP) | 130 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W3503 and Xeon Bronze 3408U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | no data |
| TSX | - | + |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 36 Bit | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon W3503 and Xeon Bronze 3408U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W3503 and Xeon Bronze 3408U are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W3503 and Xeon Bronze 3408U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-4000 |
| Maximum memory size | 24 GB | 4 TB |
| Max memory channels | 3 | 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 | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon W3503 and Xeon Bronze 3408U.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | no data | 80 |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 0.73 | 6.22 |
| Recency | 30 March 2009 | 10 January 2023 |
| Physical cores | 2 | 8 |
| Threads | 2 | 8 |
| Power consumption (TDP) | 130 Watt | 125 Watt |
Xeon Bronze 3408U has a 752.1% higher aggregate performance score, an age advantage of 13 years, 300% more physical cores and 300% more threads, and 4% lower power consumption.
The Xeon Bronze 3408U is our recommended choice as it beats the Xeon W3503 in performance tests.
Should you still have questions on choice between Xeon W3503 and Xeon Bronze 3408U, ask them in Comments section, and we shall answer.
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