Phenom II X3 P840 vs A10-7850K
Aggregate performance score
A10-7850K outperforms Phenom II X3 P840 by a whopping 163% based on our aggregate benchmark results.
Primary details
Comparing A10-7850K and Phenom II X3 P840 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1756 | 2476 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.55 | no data |
| Market segment | Desktop processor | Laptop |
| Series | AMD A-Series (Desktop) | 3x AMD Phenom II |
| Architecture codename | Godaveri (2014−2018) | Champlain (2010−2011) |
| Release date | 14 January 2014 (10 years ago) | 4 October 2010 (13 years ago) |
| Launch price (MSRP) | $173 | no data |
| Current price | $92 (0.5x MSRP) | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
A10-7850K and Phenom II X3 P840 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) | 3 (Tri-Core) |
| Threads | 4 | 3 |
| Base clock speed | 3.7 GHz | no data |
| Boost clock speed | 4 GHz | 1.9 GHz |
| Bus support | no data | 3600 MHz |
| L1 cache | 256 KB | 384 KB |
| L2 cache | 4096 KB | 1.5 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 28 nm | 45 nm |
| Die size | 246 mm2 | no data |
| Maximum core temperature | 72 °C | no data |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | Yes | No |
Compatibility
Information on A10-7850K and Phenom II X3 P840 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 | no data |
| Socket | FM2+ | S1 |
| Power consumption (TDP) | 95 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A10-7850K and Phenom II X3 P840. You'll probably need this information if you require some particular technology.
| Instruction set extensions | SSE1-4A, AVX, FM4A, VT | integrated DDR3 Memory Controller, Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) |
| AES-NI | 1 | no data |
| FMA | FMA4 | no data |
| AVX | + | no data |
| FRTC | 1 | no data |
| FreeSync | 1 | no data |
| PowerTune | - | no data |
| DualGraphics | 1 | no data |
| TrueAudio | + | no data |
| PowerNow | + | no data |
| PowerGating | + | no data |
| Out-of-band client management | + | no data |
| VirusProtect | + | + |
| HSA | 1 | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by A10-7850K and Phenom II X3 P840 are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A10-7850K and Phenom II X3 P840. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-2133 | DDR3 |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R7 Graphics | no data |
| iGPU core count | 8 | no data |
| Number of pipelines | 512 | no data |
| Enduro | + | no data |
| Switchable graphics | 1 | no data |
| UVD | + | no data |
| VCE | + | no data |
Graphics interfaces
Available interfaces and connections of A10-7850K and Phenom II X3 P840 integrated GPUs.
| DisplayPort | + | no data |
| HDMI | + | no data |
Graphics API support
APIs supported by A10-7850K and Phenom II X3 P840 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | 1 | no data |
Peripherals
Specifications and connection of peripherals supported by A10-7850K and Phenom II X3 P840.
| PCIe version | 3.0 | 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.
A10-7850K outperforms Phenom II X3 P840 by 163% based on our aggregate benchmark results.
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%
A10-7850K outperforms Phenom II X3 P840 by 132% in Cinebench 10 32-bit multi-core.
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%
Phenom II X3 P840 outperforms A10-7850K by 111% in wPrime 32.
Pros & cons summary
| Performance score | 2.21 | 0.84 |
| Recency | 14 January 2014 | 4 October 2010 |
| Physical cores | 4 | 3 |
| Threads | 4 | 3 |
| Chip lithography | 28 nm | 45 nm |
| Power consumption (TDP) | 95 Watt | 25 Watt |
The A10-7850K is our recommended choice as it beats the Phenom II X3 P840 in performance tests.
Note that A10-7850K is a desktop processor while Phenom II X3 P840 is a notebook one.
Should you still have questions on choice between A10-7850K and Phenom II X3 P840, ask them in Comments section, and we shall answer.
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