Intel Atom E3845 | AMD A4-4020 | |
CPU comparisonIntel Atom E3845 or AMD A4-4020 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Atom E3845 has 4 cores with 4 threads and clocks with a maximum frequency of 1.91 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Atom E3845 was released in Q4/2013. The AMD A4-4020 has 2 cores with 2 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A4-4020 was released in Q1/2014. |
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Intel Atom (108) | Family | AMD A (112) |
Intel Atom E3800 (6) | CPU group | AMD A4-4000 (2) |
4 | Generation | 2 |
Bay Trail | Architecture | Richland (Piledriver) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom E3845 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom E3845 is 1.91 GHz while the AMD A4-4020 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD A4-4020 is at 3.20 GHz (3.40 GHz). |
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Intel Atom E3845 | Characteristic | AMD A4-4020 |
4 | Cores | 2 |
4 | Threads | 2 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | Yes |
1.91 GHz | Frequency | 3.20 GHz |
-- | Turbo Frequency (1 Core) | 3.40 GHz |
-- | Turbo Frequency (All Cores) | 3.40 GHz |
Integrated graphics (iGPU)The Intel Atom E3845 or AMD A4-4020 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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Intel HD Graphics (Bay Trail GT1) | GPU | AMD Radeon HD 7480D |
0.54 GHz | GPU frequency | 0.72 GHz |
0.79 GHz | GPU (Turbo) | -- |
7 | GPU Generation | 4 |
22 nm | Technology | 32 nm |
2 | Max. displays | 2 |
4 | Compute units | 2 |
32 | Shader | 128 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 2 GB |
11.2 | DirectX Version | 11 |
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. |
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Intel HD Graphics (Bay Trail GT1) | GPU | AMD Radeon HD 7480D |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | Decode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom E3845 can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The AMD A4-4020 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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Intel Atom E3845 | Characteristic | AMD A4-4020 |
DDR3L-1333 | Memory | DDR3-1333 |
8 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | 1.00 MB |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom E3845 is 10 W, while the AMD A4-4020 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Atom E3845 | Characteristic | AMD A4-4020 |
10 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Atom E3845 is manufactured in 22 nm and has 2.00 MB cache. The AMD A4-4020 is manufactured in 32 nm and has a 1.00 MB cache. |
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Intel Atom E3845 | Characteristic | AMD A4-4020 |
22 nm | Technology | 32 nm |
Monolithic | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
BGA 1170 | Socket | FM2 |
VT-x, VT-x EPT | Virtualization | AMD-V |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Linux | |
Q4/2013 | Release date | Q1/2014 |
-- | Release price | 32 $ |
show more data | show more data | |
Intel Atom E3845
4C 4T @ 1.91 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
Intel Atom E3845
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
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AMD A4-4020
AMD Radeon HD 7480D @ 0.72 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
Devices using this processor |
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Intel Atom E3845 | AMD A4-4020 |
Unknown | Unknown |