Intel Atom E3845 | Intel Core i3-3120M | |
CPU comparisonIntel Atom E3845 or Intel Core i3-3120M - 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 Intel Core i3-3120M has 2 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i3-3120M was released in Q3/2012. |
||
Intel Atom (108) | Family | Intel Core i3 (205) |
Intel Atom E3800 (6) | CPU group | Intel Core i 3000M (29) |
4 | Generation | 3 |
Bay Trail | Architecture | Ivy Bridge H |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
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 Intel Core i3-3120M has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i3-3120M is at 2.50 GHz. |
||
Intel Atom E3845 | Characteristic | Intel Core i3-3120M |
4 | Cores | 2 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
1.91 GHz | Frequency | 2.50 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The Intel Atom E3845 or Intel Core i3-3120M 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. |
||
Intel HD Graphics (Bay Trail GT1) | GPU | Intel HD Graphics 4000 |
0.54 GHz | GPU frequency | 0.65 GHz |
0.79 GHz | GPU (Turbo) | 1.10 GHz |
7 | GPU Generation | 7 |
22 nm | Technology | 22 nm |
2 | Max. displays | 3 |
4 | Compute units | 16 |
32 | Shader | 128 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 2 GB |
11.2 | DirectX Version | 11.0 |
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. |
||
Intel HD Graphics (Bay Trail GT1) | GPU | Intel HD Graphics 4000 |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode | Codec JPEG | Decode |
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 Intel Core i3-3120M supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s. |
||
Intel Atom E3845 | Characteristic | Intel Core i3-3120M |
DDR3L-1333 | Memory | DDR3-1600 |
8 GB | Max. Memory | 32 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 25.6 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | 3.00 MB |
-- | PCIe version | 2.0 |
-- | PCIe lanes | 16 |
-- | PCIe Bandwidth | 8.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom E3845 is 10 W, while the Intel Core i3-3120M has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
||
Intel Atom E3845 | Characteristic | Intel Core i3-3120M |
10 W | TDP (PL1 / PBP) | 35 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 105 °C |
Technical detailsThe Intel Atom E3845 is manufactured in 22 nm and has 2.00 MB cache. The Intel Core i3-3120M is manufactured in 22 nm and has a 3.00 MB cache. |
||
Intel Atom E3845 | Characteristic | Intel Core i3-3120M |
22 nm | Technology | 22 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2, AVX |
BGA 1170 | Socket | PGA 988 |
VT-x, VT-x EPT | Virtualization | VT-x, VT-x EPT |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Linux | |
Q4/2013 | Release date | Q3/2012 |
-- | Release price | -- |
show more data | show more data | |
Intel Atom E3845
4C 4T @ 1.91 GHz |
|||
Intel Core i3-3120M
2C 4T @ 2.50 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
|||
Intel Core i3-3120M
2C 4T @ 2.50 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
|||
Intel Core i3-3120M
2C 4T @ 2.50 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
|||
Intel Core i3-3120M
2C 4T @ 2.50 GHz |
Intel Atom E3845
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
|||
Intel Core i3-3120M
Intel HD Graphics 4000 @ 1.10 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
|||
Intel Core i3-3120M
2C 4T @ 2.50 GHz |
Intel Atom E3845
4C 4T @ 1.91 GHz |
|||
Intel Core i3-3120M
2C 4T @ 2.50 GHz |
Devices using this processor |
|
Intel Atom E3845 | Intel Core i3-3120M |
Unknown | Unknown |