Xeon 6740P vs X5355
Aggregate performance score
Xeon 6740P outperforms Xeon X5355 by a whopping 4366% 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 | 2606 | 51 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.02 | 9.58 |
| Market segment | Server | Server |
| Power efficiency | 0.41 | 8.10 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Clovertown (2006−2007) | Granite Rapids (2024−2026) |
| Release date | 14 November 2006 (19 years ago) | 24 February 2025 (1 year ago) |
| Launch price (MSRP) | $1,172 | $4,650 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 6740P has 47800% better value for money than Xeon X5355.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Xeon X5355 and Xeon 6740P: 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) | 48 (Octatetraconta-Core) |
| Threads | 4 | 96 |
| Base clock speed | 2.66 GHz | 2.1 GHz |
| Boost clock speed | 0.67 GHz | 3.8 GHz |
| L1 cache | 64 KB (per core) | 112 KB (per core) |
| L2 cache | 4 MB (per die) | 2 MB (per core) |
| L3 cache | 8 MB L2 Cache | 288 MB (shared) |
| Chip lithography | 65 nm | Intel 3 nm |
| Die size | 2x 143 mm2 | 2x 598 mm2 |
| Maximum case temperature (TCase) | 63 °C | 75 °C |
| Number of transistors | 582 million | no data |
| 64 bit support | + | + |
| VID voltage range | 1V-1.5V | no data |
Compatibility
Information on Xeon X5355 and Xeon 6740P 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 | 2 |
| Socket | LGA771,PLGA771 | FCLGA4710 |
| Power consumption (TDP) | 120 Watt | 270 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon X5355 and Xeon 6740P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, 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 | - | + |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | no data |
| PAE | 32 Bit | no data |
| FSB parity | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon X5355 and Xeon 6740P 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 Xeon X5355 and Xeon 6740P are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon X5355 and Xeon 6740P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 Depends on motherboard | DDR5(6400MT/s) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon X5355 and Xeon 6740P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
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 | 1.16 | 51.81 |
| Recency | 14 November 2006 | 24 February 2025 |
| Physical cores | 4 | 48 |
| Threads | 4 | 96 |
| Power consumption (TDP) | 120 Watt | 270 Watt |
Xeon X5355 has 125% lower power consumption.
Xeon 6740P, on the other hand, has a 4366% higher aggregate performance score, an age advantage of 18 years, and 1100% more physical cores and 2300% more threads.
The Intel Xeon 6740P is our recommended choice as it beats the Intel Xeon X5355 in performance tests.
Other comparisons
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