AMD A6-6400K Benchmark, Test and specs

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The AMD A6-6400K has 2 cores with 2 threads and is based on the 3. gen of the AMD A series. The processor uses a mainboard with the FM2 socket and was released in Q2/2013. The AMD A6-6400K scores 471 points in the Geekbench 5 single-core benchmark. In the Geekbench 5 multi-core benchmark, the result is 723 points.
AMD A6-6400K

CPU lineage

The segment in which we have classified the AMD A6-6400K. Here you can see if it is a desktop processor or a mobile processor or which processor may be the successor of the AMD A6-6400K.

Name: AMD A6-6400K
Family: AMD A (112)
CPU group: AMD A6-6000 (3)
Architecture: Richland (Piledriver)
Segment: Desktop / Server
Generation: 3
Predecessor: --
Successor: --

CPU Cores and Base Frequency

The AMD A6-6400K has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD A6-6400K is 3.90 GHz (4.10 GHz). The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.

CPU Cores / Threads: 2 / 2
Core architecture: normal
Cores: 2x
Hyperthreading / SMT: No
Overclocking: Yes
Frequency: 3.90 GHz
Turbo Frequency (1 Core): 4.10 GHz
Turbo Frequency (2 Cores): 4.10 GHz

Internal Graphics

The AMD A6-6400K has integrated graphics, called iGPU for short. Specifically, the AMD A6-6400K uses the AMD Radeon HD 8470D, which has 192 texture shaders and 3 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

GPU name: AMD Radeon HD 8470D
GPU frequency: 0.80 GHz
GPU (Turbo): No turbo
Compute units: 3
Shader: 192
Hardware Raytracing: No
Release date: Q2/2013
Max. displays: 2
Generation: 5
Direct X: 11.2
Technology: 32 nm
Max. GPU Memory: 2 GB
Frame Generation: No

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

h265 / HEVC (8 bit): No
h265 / HEVC (10 bit): No
h264: Decode
VP8: No
VP9: No
AV1: No
AVC: Decode
VC-1: Decode
JPEG: Decode / Encode

Memory & PCIe

The processor can use up to memory in 2 (Dual Channel) memory channels. The maximum memory bandwidth is --. The memory type as well as the amount of memory can greatly affect the speed of the system.

Memory type: Memory bandwidth:
Max. Memory:
Memory channels: 2 (Dual Channel)
PCIe Bandwidth: --

Thermal Management

The thermal design power (TDP for short) of the processor is 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. The TDP usually gives a rough idea of the actual power consumption of the CPU.

TDP (PL1 / PBP): 65 W
TDP (PL2): --
TDP up: --
TDP down: --
Tjunction max.: --

Technical details

The AMD A6-6400K is made in 32 nm. The smaller the manufacturing process of a CPU, the more modern and energy-efficient it is. Overall, the processor has 1.00 MB cache. A large cache can greatly speed up the processor's speed in some cases such as games.

Technology: 32 nm
Chip design:
Socket: FM2
L2-Cache: --
L3-Cache: 1.00 MB
Operating systems: Windows 10, Linux
Virtualization: AMD-V
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
Release date: Q2/2013
Release price: 55 $
Part Number: --
Documents: --

Benchmark results

Verified Benchmark results
The benchmark results for the AMD A6-6400K have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
Intel Celeron J4005 Intel Celeron J4005
2C 2T @ 2.70 GHz
Intel Core i5-3439Y Intel Core i5-3439Y
2C 4T @ 2.30 GHz
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
AMD FX-6100 AMD FX-6100
6C 6T @ 3.90 GHz
Intel Core i3-530 Intel Core i3-530
2C 4T @ 2.93 GHz
Intel Core 2 Quad Q9650 Intel Core 2 Quad Q9650
4C 4T @ 3.00 GHz

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i3-2375M Intel Core i3-2375M
2C 4T @ 1.50 GHz
Intel Core i3-2377M Intel Core i3-2377M
2C 4T @ 1.50 GHz
AMD A6-6310 AMD A6-6310
4C 4T @ 2.40 GHz
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
AMD Phenom II X2 545 AMD Phenom II X2 545
2C 2T @ 3.00 GHz
Intel Pentium E5700 Intel Pentium E5700
2C 2T @ 3.00 GHz
MediaTek Helio P22 MediaTek Helio P22
8C 8T @ 2.00 GHz

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core m3-7Y30 Intel Core m3-7Y30
2C 4T @ 2.00 GHz
AMD Athlon 5150 AMD Athlon 5150
4C 4T @ 1.60 GHz
Intel Celeron N2930 Intel Celeron N2930
4C 4T @ 2.16 GHz
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
Intel Celeron N2920 Intel Celeron N2920
4C 4T @ 2.00 GHz
AMD A4-3400 AMD A4-3400
2C 2T @ 2.70 GHz
Intel Core2 Duo E6600 Intel Core2 Duo E6600
2C 2T @ 2.40 GHz

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i7-3687U Intel Core i7-3687U
Intel HD Graphics 4000 @ 1.20 GHz
Intel Core M-5Y10a Intel Core M-5Y10a
Intel HD Graphics 5300 @ 0.80 GHz
Intel Core M-5Y10c Intel Core M-5Y10c
Intel HD Graphics 5300 @ 0.80 GHz
AMD A6-6400K AMD A6-6400K
AMD Radeon HD 8470D @ 0.80 GHz
AMD A9-9410 AMD A9-9410
AMD Radeon R5 (Stoney Ridge) @ 0.80 GHz
AMD A6-6420K AMD A6-6420K
AMD Radeon HD 8470D @ 0.80 GHz
Intel Core i3-4025U Intel Core i3-4025U
Intel HD Graphics 4400 @ 0.95 GHz

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Phenom II X3 700e AMD Phenom II X3 700e
3C 3T @ 2.40 GHz
Intel Celeron G3950 Intel Celeron G3950
2C 2T @ 3.00 GHz
Samsung Exynos 9611 Samsung Exynos 9611
8C 8T @ 2.30 GHz
AMD A6-6400K AMD A6-6400K
2C 2T @ 4.10 GHz
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 2.90 GHz
Intel Core i7-3667U Intel Core i7-3667U
2C 4T @ 3.00 GHz
Intel Pentium G4500T Intel Pentium G4500T
2C 2T @ 3.00 GHz

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core2 Duo E7200 Intel Core2 Duo E7200
2C 2T @ 2.53 GHz
Intel Pentium E2220 Intel Pentium E2220
2C 2T @ 2.40 GHz
Intel Pentium E6300 Intel Pentium E6300
2C 2T @ 2.80 GHz
AMD A6-6400K AMD A6-6400K
2C 2T @ 3.90 GHz
Intel Pentium B940 Intel Pentium B940
2C 2T @ 2.00 GHz
Intel Pentium N3710 Intel Pentium N3710
4C 4T @ 1.60 GHz
Intel Celeron 1005M Intel Celeron 1005M
2C 2T @ 1.90 GHz


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