A10-7850K vs Core i7-3820
Aggregated performance score
Core i7-3820 outperforms A10-7850K by 68% based on our aggregated benchmark results.
General info
Comparing Core i7-3820 and A10-7850K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1376 | 1724 |
| Place by popularity | not in top-100 | not in top-100 |
| Value for money | 2.32 | 0.55 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD A-Series (Desktop) |
| Architecture codename | Sandy Bridge-E (2011−2013) | Godaveri (2014−2018) |
| Release date | February 2012 (12 years ago) | 14 January 2014 (10 years ago) |
| Launch price (MSRP) | $400 | $173 |
| Current price | $409 (1x MSRP) | $92 (0.5x MSRP) |
Value for money
Performance per price, higher is better.
i7-3820 has 322% better value for money than A10-7850K.
Technical specs
Core i7-3820 and A10-7850K 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 | 8 | 4 |
| Base clock speed | 3.6 GHz | 3.7 GHz |
| Boost clock speed | 3.8 GHz | 4 GHz |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 4096 KB |
| L3 cache | 10240 KB (shared) | 0 KB |
| Chip lithography | 32 nm | 28 nm |
| Die size | 294 mm2 | 246 mm2 |
| Maximum core temperature | 67 °C | 72 °C |
| Maximum case temperature (TCase) | 67 °C | 74 °C |
| Number of transistors | 1270 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Core i7-3820 and A10-7850K 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 | FCLGA2011 | FM2+ |
| Power consumption (TDP) | 130 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-3820 and A10-7850K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX | SSE1-4A, AVX, FM4A, VT |
| AES-NI | + | 1 |
| FMA | no data | FMA4 |
| AVX | + | + |
| FRTC | no data | 1 |
| FreeSync | no data | 1 |
| PowerTune | no data | - |
| DualGraphics | no data | 1 |
| TrueAudio | no data | + |
| PowerNow | no data | + |
| PowerGating | no data | + |
| Out-of-band client management | no data | + |
| VirusProtect | no data | + |
| HSA | no data | 1 |
| 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 |
| Smart Response | + | no data |
| Demand Based Switching | - | no data |
| Status | Discontinued | no data |
Security technologies
Core i7-3820 and A10-7850K 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 i7-3820 and A10-7850K are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
| IOMMU 2.0 | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-3820 and A10-7850K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-2133 |
| Maximum memory size | 64.23 GB | no data |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 51.2 GB/s | no data |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon R7 Graphics |
| iGPU core count | no data | 8 |
| Number of pipelines | no data | 512 |
| Enduro | no data | + |
| Switchable graphics | no data | 1 |
| UVD | no data | + |
| VCE | no data | + |
Graphics interfaces
Available interfaces and connections of Core i7-3820 and A10-7850K integrated GPUs.
| DisplayPort | no data | + |
| HDMI | no data | + |
Graphics API support
APIs supported by Core i7-3820 and A10-7850K integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX® 12 |
| Vulkan | no data | 1 |
Peripherals
Specifications and connection of peripherals supported by Core i7-3820 and A10-7850K.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 40 | 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.
Core i7-3820 outperforms A10-7850K by 68% based on our aggregated 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 i7-3820 outperforms A10-7850K by 69% 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%
Core i7-3820 outperforms A10-7850K by 38% 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%
Core i7-3820 outperforms A10-7850K by 102% in GeekBench 5 Multi-Core.
3DMark Fire Strike Physics
Benchmark coverage: 4%
Core i7-3820 outperforms A10-7850K by 60% in 3DMark Fire Strike Physics.
Advantages and disadvantages
| Performance score | 3.72 | 2.21 |
| Threads | 8 | 4 |
| Cost | $400 | $173 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 130 Watt | 95 Watt |
The Core i7-3820 is our recommended choice as it beats the A10-7850K in performance tests.
Should you still have questions on choice between Core i7-3820 and A10-7850K, ask them in Comments section, and we shall answer.
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