Celeron 847 vs i7-5820K
Aggregate performance score
Core i7-5820K outperforms Celeron 847 by a whopping 1834% 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 | 1356 | 3416 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.17 | 0.01 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | 1.69 | 0.72 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Haswell-E (2014) | Sandy Bridge (2011−2013) |
| Release date | 1 September 2014 (11 years ago) | 19 June 2011 (14 years ago) |
| Launch price (MSRP) | $410 | $134 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i7-5820K has 11600% better value for money than Celeron 847.
Performance to price scatter graph
Detailed specifications
Core i7-5820K and Celeron 847 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 | 6 (Hexa-Core) | 2 (Dual-core) |
| Threads | 12 | 2 |
| Base clock speed | 3.3 GHz | 1.1 GHz |
| Boost clock speed | 3.6 GHz | 1.1 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 0 GT/s | 4 × 5 GT/s |
| Multiplier | no data | 11 |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 256 KB (per core) | 256K (per core) |
| L3 cache | 15 MB (shared) | 2 MB (shared) |
| Chip lithography | 22 nm | 32 nm |
| Die size | 356 mm2 | 131 mm2 |
| Maximum core temperature | 67 °C | 100 °C |
| Number of transistors | 2,600 million | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-5820K and Celeron 847 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 (Uniprocessor) |
| Socket | FCLGA2011 | FCBGA1023 |
| Power consumption (TDP) | 140 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-5820K and Celeron 847. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | - |
| FMA | - | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Smart Response | + | no data |
| Demand Based Switching | - | - |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
Core i7-5820K and Celeron 847 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-5820K and Celeron 847 are enumerated here.
| VT-d | + | - |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-5820K and Celeron 847. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 64 GB | 16 GB |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 68 GB/s | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics (Sandy Bridge) (350 - 800 MHz) |
| Graphics max frequency | no data | 800 MHz |
Graphics interfaces
Available interfaces and connections of Core i7-5820K and Celeron 847 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Core i7-5820K and Celeron 847.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 28 | 16 |
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.
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.
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.
Pros & cons summary
| Performance score | 5.61 | 0.29 |
| Recency | 1 September 2014 | 19 June 2011 |
| Physical cores | 6 | 2 |
| Threads | 12 | 2 |
| Chip lithography | 22 nm | 32 nm |
| Power consumption (TDP) | 140 Watt | 17 Watt |
i7-5820K has a 1834.5% higher aggregate performance score, an age advantage of 3 years, 200% more physical cores and 500% more threads, and a 45.5% more advanced lithography process.
Celeron 847, on the other hand, has 723.5% lower power consumption.
The Intel Core i7-5820K is our recommended choice as it beats the Intel Celeron 847 in performance tests.
Note that Core i7-5820K is a desktop processor while Celeron 847 is a notebook one.
Other comparisons
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