Intel · 2014
Intel Core i5-4278U CPU
The Intel Core i5-4278U is a 2014 dual-core mobile processor with Hyper-Threading, based on the Haswell microarchitecture.
The Intel Core i5-4278U is a dual-core mobile processor released in July 2014, based on the Haswell microarchitecture. It features 4 threads via Hyper-Threading, with a base clock of 2.6 GHz and a boost clock of 3.1 GHz. The processor includes 3 MB of L3 cache and is manufactured on a 22 nm process with a TDP of 28 W. It supports DDR3L and LPDDR3 memory up to 1600 MHz across two channels, and integrates Intel Iris Graphics 5100. The CPU is socketed in FCBGA1168 and provides 12 PCIe 2.0 lanes. It does not support ECC memory or an unlocked multiplier. The processor was discontinued in June 2021.
Benchmarks
| Blender Open Data score | 22.04 samples/min |
|---|---|
| Nero Score AI | 259 images/min |
| Nero Score AVC encode | 562 fps |
Specifications
| Microarchitecture | Haswell |
|---|---|
| Cores | 2 |
| Threads | 4 |
| Base clock | 2.6 GHz |
| Boost clock | 3.1 GHz |
| L3 cache | 3 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 |
| Unlocked multiplier | No |
| Release date | 2014-07-01 |
| Release year | 2014 |
| Discontinued | 2021-06-30 |