Performance per price, higher is better.
AMD A8-3870K: specs and benchmarks
Aggregated performance score
Summary
AMD started A8-3870K sales 20 December 2011. This is a Llano architecture desktop processor primarily aimed at office systems. It has 4 cores and 4 threads, and is based on 32 nm manufacturing technology, with a max turbo frequency of 3000 MHz and an unlocked multiplier.
Compatibility-wise, this is AMD Socket FM1 processor with a TDP of 100 Watt. It supports DDR3 memory.
It provides poor benchmark performance at 1.50% of a leader's which is AMD Ryzen Threadripper PRO 7995WX.
General info
A8-3870K processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in performance ranking | 2028 | |
| Place by popularity | not in top-100 | |
| Value for money | 3.20 | |
| Market segment | Desktop processor | |
| Architecture codename | Llano (2011−2012) | |
| Release date | 20 December 2011 (12 years old) | |
| Current price | $44 | of 17802 (Threadripper PRO 7995WX) |
Value for money
Technical specs
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 | 4 (Quad-Core) | |
| Threads | 4 | |
| Base clock speed | 3 GHz | of 4.7 (FX-9590) |
| Boost clock speed | 3 GHz | of 6.2 (Core i9-14900KS) |
| L1 cache | 128 KB (per core) | of 7475.2 (Apple M2 Pro 10-Core) |
| L2 cache | 1 MB (per core) | of 36 (Apple M2 Max) |
| L3 cache | 0 KB | of 786432 (EPYC 7373X) |
| Chip lithography | 32 nm | of 3 (Apple M3 Max 16-Core) |
| Die size | 228 mm2 | |
| Number of transistors | 1,178 million | of 9900000 (Ryzen 5 7645HX) |
| 64 bit support | + | |
| Windows 11 compatibility | - | |
| Unlocked multiplier | Yes |
Compatibility
Information on A8-3870K 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 | FM1 | |
| Power consumption (TDP) | 100 Watt | of 400 (Xeon Platinum 9282) |
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 A8-3870K's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR3 |
Graphics specifications
General parameters of a GPU integrated into A8-3870K.
| Integrated graphics card | AMD Radeon HD 6550D |
Benchmark performance
Single-core and multi-core benchmark results of A8-3870K. 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.
Benchmark coverage: 68%
Send in your benchmark results
Send your test results of A8-3870K.
Relative perfomance
Overall A8-3870K performance compared to nearest competitors among desktop CPUs.
Intel equivalent
According to our data, the closest Intel alternative to A8-3870K is Core 2 Extreme QX6850, which is nearly equal in speed and lower by 4 positions in our ranking.
Here are some closest Intel rivals to A8-3870K:
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 A8-3870K, according to our PC configuration statistics.
12.1%
4.5%
4.1%
3.7%
3.5%
3.3%
2.9%
2.7%
2.6%
2.2%
These are the fastest graphics cards for A8-3870K in our user configuration statistics. There is a total of 1559 configurations based on A8-3870K in our database.
0.4% (7/1559)
0.06% (1/1559)
0.06% (1/1559)
0.2% (3/1559)
0.06% (1/1559)
0.06% (1/1559)
0.2% (3/1559)
0.06% (1/1559)
0.1% (2/1559)
0.2% (3/1559)
