Xeon E5-2603 v2 vs Core i5-6600K
Aggregate performance score
i5-6600K outperforms Xeon E5-2603 v2 by a whopping 131% based on our aggregate benchmark results.
Primary details
Comparing Core i5-6600K and Xeon E5-2603 v2 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1344 | 1937 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.77 | 0.43 |
| Market segment | Desktop processor | Server |
| Series | Intel Core i5 (Desktop) | no data |
| Architecture codename | Skylake (2015−2016) | Ivy Bridge-EP (2013) |
| Release date | 5 August 2015 (8 years ago) | 1 September 2013 (10 years ago) |
| Launch price (MSRP) | $242 | $240 |
| Current price | $267 (1.1x MSRP) | $149 (0.6x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
i5-6600K has 79% better value for money than Xeon E5-2603 v2.
Detailed specifications
Core i5-6600K and Xeon E5-2603 v2 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 3.5 GHz | no data |
| Boost clock speed | 3.9 GHz | 1.8 GHz |
| L1 cache | 256 KB | 64 KB (per core) |
| L2 cache | 1 MB | 256 KB (per core) |
| L3 cache | 6 MB | 10 MB (shared) |
| Chip lithography | 14 nm | 22 nm |
| Die size | 122 mm2 | 160 mm2 |
| Maximum core temperature | no data | 71 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | Yes | No |
Compatibility
Information on Core i5-6600K and Xeon E5-2603 v2 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 (Uniprocessor) | 2 |
| Socket | FCLGA1151 | 2011 |
| Power consumption (TDP) | 91 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-6600K and Xeon E5-2603 v2. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | no data |
Security technologies
Core i5-6600K and Xeon E5-2603 v2 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-6600K and Xeon E5-2603 v2 are enumerated here.
| AMD-V | + | no data |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-6600K and Xeon E5-2603 v2. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR3 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.134 GB/s | 42.6 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 530 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-6600K and Xeon E5-2603 v2.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 16 | 40 |
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.
Core i5-6600K outperforms Xeon E5-2603 v2 by 131% based on our aggregate benchmark results.
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%
Core i5-6600K outperforms Xeon E5-2603 v2 by 131% in Passmark.
Pros & cons summary
| Performance score | 4.09 | 1.77 |
| Recency | 5 August 2015 | 1 September 2013 |
| Cost | $242 | $240 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 91 Watt | 80 Watt |
i5-6600K has a 131.1% higher aggregate performance score, an age advantage of 1 year, and a 57.1% more advanced lithography process.
Xeon E5-2603 v2, on the other hand, has its recommended price lower by $2, and 13.8% lower power consumption.
The Core i5-6600K is our recommended choice as it beats the Xeon E5-2603 v2 in performance tests.
Note that Core i5-6600K is a desktop processor while Xeon E5-2603 v2 is a server/workstation one.
Should you still have questions on choice between Core i5-6600K and Xeon E5-2603 v2, ask them in Comments section, and we shall answer.
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