Ryzen 9 5950X vs Core i5-2500K
Aggregate performance score
Ryzen 9 5950X outperforms i5-2500K by a whopping 1009% based on our aggregate benchmark results.
Primary details
Comparing Core i5-2500K and Ryzen 9 5950X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1633 | 137 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.34 | 78.24 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core i5 (Desktop) | AMD Ryzen 9 |
| Architecture codename | Sandy Bridge (2011−2013) | Vermeer (Zen 3) |
| Release date | 9 January 2011 (13 years ago) | 5 November 2020 (3 years ago) |
| Launch price (MSRP) | $216 | $799 |
| Current price | $245 (1.1x MSRP) | $349 (0.4x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen 9 5950X has 22912% better value for money than i5-2500K.
Detailed specifications
Core i5-2500K and Ryzen 9 5950X 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) | 16 (Hexadeca-Core) |
| Threads | 4 | 32 |
| Base clock speed | 3.3 GHz | 3.4 GHz |
| Boost clock speed | 3.7 GHz | 4.9 GHz |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 512K (per core) |
| L3 cache | 6 MB (shared) | 64 MB |
| Chip lithography | 32 nm | 7 nm |
| Die size | 216 mm2 | CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2 |
| Maximum core temperature | 73 °C | no data |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 1,160 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | Yes | Yes |
Compatibility
Information on Core i5-2500K and Ryzen 9 5950X 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 | LGA1155 | AM4 |
| Power consumption (TDP) | 95 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-2500K and Ryzen 9 5950X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | DDR4-3200 RAM, PCIe 4, MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Flex Memory Access | + | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Status | Discontinued | no data |
Security technologies
Core i5-2500K and Ryzen 9 5950X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Identity Protection | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-2500K and Ryzen 9 5950X are enumerated here.
| AMD-V | no data | + |
| VT-d | - | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-2500K and Ryzen 9 5950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | 32 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21 GB/s | 51.196 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | - |
| Quick Sync Video | + | - |
| Clear Video HD | + | - |
| Graphics max frequency | 1.1 GHz | - |
| InTru 3D | + | - |
Graphics interfaces
Available interfaces and connections of Core i5-2500K and Ryzen 9 5950X integrated GPUs.
| Number of displays supported | 2 | - |
Peripherals
Specifications and connection of peripherals supported by Core i5-2500K and Ryzen 9 5950X.
| PCIe version | 2.0 | 4.0 |
| 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.
Ryzen 9 5950X outperforms Core i5-2500K by 1009% 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%
Ryzen 9 5950X outperforms Core i5-2500K by 1008% in Passmark.
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.
Benchmark coverage: 42%
Ryzen 9 5950X outperforms Core i5-2500K by 238% in GeekBench 5 Single-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.
Benchmark coverage: 42%
Ryzen 9 5950X outperforms Core i5-2500K by 529% in GeekBench 5 Multi-Core.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Ryzen 9 5950X outperforms Core i5-2500K by 40% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Ryzen 9 5950X outperforms Core i5-2500K by 255% in Cinebench 10 32-bit multi-core.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Benchmark coverage: 19%
Ryzen 9 5950X outperforms Core i5-2500K by 202% in 3DMark06 CPU.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
Core i5-2500K outperforms Ryzen 9 5950X by 176% in wPrime 32.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Benchmark coverage: 17%
Ryzen 9 5950X outperforms Core i5-2500K by 789% in Cinebench 11.5 64-bit multi-core.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Benchmark coverage: 15%
Ryzen 9 5950X outperforms Core i5-2500K by 820% in Cinebench 15 64-bit multi-core.
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Benchmark coverage: 15%
Ryzen 9 5950X outperforms Core i5-2500K by 118% in Cinebench 15 64-bit single-core.
Pros & cons summary
| Performance score | 2.66 | 29.51 |
| Recency | 9 January 2011 | 5 November 2020 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Cost | $216 | $799 |
| Chip lithography | 32 nm | 7 nm |
| Power consumption (TDP) | 95 Watt | 105 Watt |
The Ryzen 9 5950X is our recommended choice as it beats the Core i5-2500K in performance tests.
Should you still have questions on choice between Core i5-2500K and Ryzen 9 5950X, ask them in Comments section, and we shall answer.
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