Intel Core i9-11900H | Intel Atom E3845 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i9-11900H and the Intel Atom E3845 and use benchmarks to check which processor is faster.
We compare the Intel Core i9-11900H 8 core processor released in Q2/2021 with the Intel Atom E3845 which has 4 CPU cores and was introduced in Q4/2013. |
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Intel Core i9 (78) | Family | Intel Atom (108) |
Intel Core i 11000H (17) | CPU group | Intel Atom E3800 (6) |
11 | Generation | 4 |
Tiger Lake H | Architecture | Bay Trail |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
Intel Core i9-12900H | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-11900H is a 8 core processor with a clock frequency of 2.50 GHz (4.90 GHz). The processor can compute 16 threads at the same time. The Intel Atom E3845 clocks with 1.91 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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Intel Core i9-11900H | Characteristic | Intel Atom E3845 |
8 | Cores | 4 |
16 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.50 GHz | Frequency | 1.91 GHz |
4.90 GHz | Turbo Frequency (1 Core) | -- |
3.60 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)Graphics (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. |
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Intel UHD Graphics 11th Gen (32 EU) | GPU | Intel HD Graphics (Bay Trail GT1) |
0.35 GHz | GPU frequency | 0.54 GHz |
1.45 GHz | GPU (Turbo) | 0.79 GHz |
11 | GPU Generation | 7 |
10 nm | Technology | 22 nm |
3 | Max. displays | 2 |
32 | Compute units | 4 |
256 | Shader | 32 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | 2 GB |
12 | DirectX Version | 11.2 |
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 UHD Graphics 11th Gen (32 EU) | GPU | Intel HD Graphics (Bay Trail GT1) |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-11900H, while the Intel Atom E3845 supports a maximum of 8 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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Intel Core i9-11900H | Characteristic | Intel Atom E3845 |
DDR4-3200 | Memory | DDR3L-1333 |
128 GB | Max. Memory | 8 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
24.00 MB | L3 Cache | 2.00 MB |
4.0 | PCIe version | -- |
20 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Core i9-11900H has a TDP of 45 W. The TDP of the Intel Atom E3845 is 10 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i9-11900H | Characteristic | Intel Atom E3845 |
45 W | TDP (PL1 / PBP) | 10 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
35 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-11900H has 24.00 MB cache and is manufactured in 10 nm. The cache of Intel Atom E3845 is at 2.00 MB. The processor is manufactured in 22 nm. |
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Intel Core i9-11900H | Characteristic | Intel Atom E3845 |
10 nm | Technology | 22 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2 |
BGA 1787 | Socket | BGA 1170 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | |
Q2/2021 | Release date | Q4/2013 |
546 $ | Release price | -- |
show more data | show more data | |
Intel Core i9-11900H
8C 16T @ 4.90 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 4.90 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz |
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Intel Atom E3845
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
Intel Core i9-11900H
8C 16T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 4.90 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 4.90 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 3.60 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Intel Core i9-11900H
8C 16T @ 2.50 GHz |
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Intel Atom E3845
4C 4T @ 1.91 GHz |
Devices using this processor |
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Intel Core i9-11900H | Intel Atom E3845 |
Unknown | Unknown |