Intel · 2014
Intel Core i7-4578U CPU
The Intel Core i7-4578U is a dual-core mobile processor from the Haswell microarchitecture, released in 2014.
The Intel Core i7-4578U is a 22 nm dual-core processor with Hyper-Threading, offering four threads. It has a base clock of 3.00 GHz and a boost clock of 3.50 GHz, with 4 MB of L3 cache. The CPU has a TDP of 28 W and uses the FCBGA1168 socket. It supports DDR3L and LPDDR3 memory up to 1600 MHz across two channels, but does not support ECC memory. Integrated graphics are provided by Intel Iris Graphics 5100. The processor includes 12 PCIe 2.0 lanes and supports instruction sets such as 64-bit, SSE4.1, SSE4.2, and AVX2. It was discontinued on June 30, 2021.
Benchmarks
| Blender Open Data score | 29.22 samples/min |
|---|---|
| Nero Score AI | 263 images/min |
| Nero Score AVC encode | 555 fps |
Specifications
| Microarchitecture unverified | Haswell |
|---|---|
| Cores | 2 |
| Threads | 4 |
| Base clock | 3.00 GHz |
| Boost clock | 3.50 GHz |
| L3 cache | 4 MB |
| Process node | 22 nm |
| TDP / base power | 28 W |
| Socket | FCBGA1168 |
| Memory support | DDR3L-1333, 1600; LPDDR3-1333, 1600 |
| Memory channels | 2 |
| ECC memory support | No |
| Integrated graphics | Intel Iris Graphics 5100 |
| PCIe lanes (CPU) | 12 |
| PCIe version | 2 |
| Instruction sets | 64-bit, SSE4.1, SSE4.2, AVX2 |
| Release date | 2014-Q3 |
| Release year | 2014 |
| Discontinued | 2021-06-30 |