AMD A8-3820 | AMD Ryzen 5 7645HX | |
CPU comparisonIn this CPU comparison, we compare the AMD A8-3820 and the AMD Ryzen 5 7645HX and use benchmarks to check which processor is faster.
We compare the AMD A8-3820 4 core processor released in Q4/2011 with the AMD Ryzen 5 7645HX which has 6 CPU cores and was introduced in Q1/2023. |
||
AMD A (112) | Family | AMD Ryzen 5 (85) |
AMD A8-3000 (4) | CPU group | AMD Ryzen 7045 (6) |
1 | Generation | 6 |
Llano (K10) | Architecture | Dragon Range (Zen 4) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe AMD A8-3820 is a 4 core processor with a clock frequency of 2.50 GHz (2.80 GHz). The processor can compute 4 threads at the same time. The AMD Ryzen 5 7645HX clocks with 4.00 GHz (5.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel. |
||
AMD A8-3820 | Characteristic | AMD Ryzen 5 7645HX |
4 | Cores | 6 |
4 | Threads | 12 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
2.50 GHz | Frequency | 4.00 GHz |
2.80 GHz | Turbo Frequency (1 Core) | 5.00 GHz |
2.80 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
||
AMD Radeon HD 6550D | GPU | AMD Radeon 610M |
0.60 GHz | GPU frequency | 0.40 GHz |
-- | GPU (Turbo) | 2.20 GHz |
3 | GPU Generation | 9 |
32 nm | Technology | 6 nm |
2 | Max. displays | 3 |
5 | Compute units | 2 |
400 | Shader | 128 |
No | Hardware Raytracing | Yes |
No | Frame Generation | No |
1 GB | Max. GPU Memory | 8 GB |
11 | DirectX Version | 12 |
Hardware codec supportA 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. |
||
AMD Radeon HD 6550D | GPU | AMD Radeon 610M |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | Decode |
Decode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD A8-3820, while the AMD Ryzen 5 7645HX supports a maximum of 128 GB of memory with a maximum memory bandwidth of 83.2 GB/s enabled. |
||
AMD A8-3820 | Characteristic | AMD Ryzen 5 7645HX |
DDR3-1600 | Memory | DDR5-5200 |
Max. Memory | 128 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
25.6 GB/s | Max. Bandwidth | 83.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | 6.00 MB |
4.00 MB | L3 Cache | 32.00 MB |
-- | PCIe version | 5.0 |
-- | PCIe lanes | 28 |
-- | PCIe Bandwidth | 110.3 GB/s |
Thermal ManagementThe AMD A8-3820 has a TDP of 65 W. The TDP of the AMD Ryzen 5 7645HX is 55 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
||
AMD A8-3820 | Characteristic | AMD Ryzen 5 7645HX |
65 W | TDP (PL1 / PBP) | 55 W |
-- | TDP (PL2) | -- |
-- | TDP up | 75 W |
-- | TDP down | 45 W |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD A8-3820 has 4.00 MB cache and is manufactured in 32 nm. The cache of AMD Ryzen 5 7645HX is at 38.00 MB. The processor is manufactured in 5 nm. |
||
AMD A8-3820 | Characteristic | AMD Ryzen 5 7645HX |
32 nm | Technology | 5 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
FM1 | Socket | FL1 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2011 | Release date | Q1/2023 |
85 $ | Release price | -- |
show more data | show more data | |
AMD A8-3820
AMD Radeon HD 6550D @ 0.60 GHz |
|||
AMD Ryzen 5 7645HX
AMD Radeon 610M @ 2.20 GHz |
AMD A8-3820
4C 4T @ 2.80 GHz |
|||
AMD Ryzen 5 7645HX
6C 12T @ 5.00 GHz |
AMD A8-3820
4C 4T @ 2.80 GHz |
|||
AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz |
AMD A8-3820
4C 4T @ 2.80 GHz |
|||
AMD Ryzen 5 7645HX
6C 12T @ 5.00 GHz |
AMD A8-3820
4C 4T @ 2.80 GHz |
|||
AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz |
AMD A8-3820
4C 4T @ 2.80 GHz |
|||
AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz |
AMD A8-3820
2.50 GHz |
|||
AMD Ryzen 5 7645HX
13,824 CB R23 MC @ 51 W |
Devices using this processor |
|
AMD A8-3820 | AMD Ryzen 5 7645HX |
Unknown | Unknown |