A6-6400B: specs and benchmarks
Aggregate performance score
A6-6400B provides poor benchmark performance at 1.02% of a leader's which is a 96-core EPYC 9655P.
Summary
AMD started A6-6400B sales 1 June 2013. This is a Richland architecture desktop processor primarily aimed at office systems. It has 2 cores and 2 threads, and is based on 32 nm manufacturing technology, with a max turbo frequency of 4100 MHz and an unlocked multiplier.
Compatibility-wise, this is AMD Socket FM2 processor with a TDP of 65 Watt and a maximum temperature of 70 °C. It supports DDR3-1866 memory.
Primary details
A6-6400B processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 2447 | |
| Place by popularity | not in top-100 | |
| Market segment | Desktop processor | |
| Power efficiency | 1.49 | of 100.00 (Core Ultra 7 164U) |
| Architecture codename | Richland (2013−2014) | |
| Release date | 1 June 2013 (11 years ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 2 (Dual-core) | |
| Threads | 2 | |
| Base clock speed | 3.9 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 4.1 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 96K | of 80 KB (EPYC 9965) |
| L2 cache | 1 MB (shared) | of 2 MB (Xeon 6980P) |
| Chip lithography | 32 nm | of 3 nm (Apple M3 Max 16-Core) |
| Die size | 246 mm2 | |
| Maximum case temperature (TCase) | 70 °C | of 105 °C (Core i7-5950HQ) |
| Number of transistors | 1,303 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Unlocked multiplier | + |
Compatibility
Information on A6-6400B compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | FM2 | |
| Power consumption (TDP) | 65 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Technologies and extensions
Technological capabilities and additional instructions supported by A6-6400B. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| FMA | + | |
| AVX | + | |
| PowerNow | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + |
Memory specs
Types, maximum amount and channel number of RAM supported by A6-6400B's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR3-1866 |
Graphics specifications
General parameters of a GPU integrated into A6-6400B.
| Integrated graphics card | AMD Radeon HD 8470D |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 2.0 | of 5.0 (Core i9-12900K) |
Benchmark performance
Single-core and multi-core benchmark results of A6-6400B. Overall benchmark performance 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.
Send your test results of A6-6400B.
Intel equivalent
According to our data, the closest Intel alternative to A6-6400B is Pentium G2120T, which is nearly equal in speed and lower by 1 position in our ranking.
Here are some closest Intel rivals to A6-6400B:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for A6-6400B, according to our PC configuration statistics.
These are the fastest graphics cards for A6-6400B in our user configuration statistics. There is a total of 40 configurations using A6-6400B in our database.
