Xeon E5503 vs i7-9700K
Aggregate performance score
Core i7-9700K outperforms Xeon E5503 by a whopping 1683% based on our aggregate benchmark results.
Primary details
Comparing Core i7-9700K and Xeon E5503 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 834 | 2870 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 7.23 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 | no data |
| Power efficiency | 9.07 | 0.60 |
| Architecture codename | Coffee Lake-R (2018−2019) | Gainestown (2009−2010) |
| Release date | 8 October 2018 (6 years ago) | 16 March 2010 (14 years ago) |
| Launch price (MSRP) | $374 | $287 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i7-9700K and Xeon E5503 have a nearly equal value for money.
Detailed specifications
Core i7-9700K and Xeon E5503 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 | 8 (Octa-Core) | 2 (Dual-core) |
| Threads | 8 | 2 |
| Base clock speed | 3.6 GHz | 2 GHz |
| Boost clock speed | 4.9 GHz | 2 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 36 | no data |
| L1 cache | 512 KB | 64 KB (per core) |
| L2 cache | 2 MB | 256 KB (per core) |
| L3 cache | 12 MB (shared) | 4 MB (shared) |
| Chip lithography | 14 nm | 45 nm |
| Die size | 178 mm2 | 263 mm2 |
| Maximum core temperature | 100 °C | 76 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 731 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-9700K and Xeon E5503 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 | LGA-1151 | FCLGA1366 |
| Power consumption (TDP) | 95 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-9700K and Xeon E5503. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | - |
| SIPP | + | - |
| Demand Based Switching | no data | + |
| PAE | no data | 40 Bit |
Security technologies
Core i7-9700K and Xeon E5503 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-9700K and Xeon E5503 are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-9700K and Xeon E5503. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 128 GB | 144 GB |
| Max memory channels | 2 | 3 |
| Maximum memory bandwidth | 42.671 GB/s | 19.2 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | no data |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.2 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-9700K and Xeon E5503 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i7-9700K and Xeon E5503 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2304@24Hz | no data |
| Max resolution over eDP | 4096 x 2304@60Hz | no data |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | no data |
Graphics API support
APIs supported by Core i7-9700K and Xeon E5503 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-9700K and Xeon E5503.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 16 | no data |
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 | 9.45 | 0.53 |
| Recency | 8 October 2018 | 16 March 2010 |
| Physical cores | 8 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 95 Watt | 80 Watt |
i7-9700K has a 1683% higher aggregate performance score, an age advantage of 8 years, 300% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.
Xeon E5503, on the other hand, has 18.8% lower power consumption.
The Core i7-9700K is our recommended choice as it beats the Xeon E5503 in performance tests.
Note that Core i7-9700K is a desktop processor while Xeon E5503 is a server/workstation one.
Should you still have questions on choice between Core i7-9700K and Xeon E5503, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
