Intel Core i7 1255U specifications and performance
Intel Core i7 1255U is a 10 cores and 12 threads CPU processor produced by Intel. Intel Core i7 1255U was released on 2022-02-23, the fabrication process is 10nm (nanometer), the CPU codename is Alder Lake, the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is Iris Xe Graphics (96EU).
| Vendor / Supplier | Intel |
|---|---|
| Short name | i7 1255u |
| Release date | 2022-02-23 |
| CPU code name | Alder Lake |
| Fabrication process | 10nm (nanometer) |
| Instruction set architecture | x86-64 |
| Market | Laptop |
| Integrated Graphics (iGPU) | Iris Xe Graphics (96EU) |
| Total number of cores | 10 cores |
|---|---|
| Total number of threads | 12 threads |
| Number of performance cores | 2 cores |
| Number of performance core threads | 4 threads |
| Performance core base frequency / main frequency | 1.7GHz |
| Performance core maximum turbo frequency | 4.7GHz |
| Number of energy efficiency cores | 8 cores |
| Number of energy-efficient core threads | 8 threads |
| Energy efficiency core basic frequency / main frequency | 1.2GHz |
| Energy efficiency core maximum turbo frequency | 3.5GHz |
| Bus frequency | 100MHz |
|---|---|
| L1 Cache | 80 KB |
| L2 Cache | 1 MB |
| L3 Cache | 12 MB |
| Unlock multiplier | No |
| Maximum supported memory | 64GB |
|---|---|
| Memory frequency support |
|
| Maximum number of memory channels | 2 |
| Maximum memory bandwidth | |
| ECC support | No |
| CPU Socket | BGA-1744 |
|---|---|
| Default thermal design power / TDP PL1 | 12W |
| Maximum Turbo Power Consumption / TDP PL2 | 55W |
| Maximum temperature | 100°C |
| PCIe interface | PCIe 4.0 |
| PCIe lane count | 20 |
| Integrated Graphics (iGPU) | Intel Iris Xe Graphics (96EU) |
|---|---|
| Base frequency | 300MHz |
| Maximum acceleration frequency | 1250MHz |
| Number of execution units | 96 |
| Stream Processors / Shading Units | 768 |
| Texture Units / TMUs | 48 |
| Raster Operations Units / ROPs | 24 |
| Total Graphics Power / TGP | 15W |
| FP32 computing performance |
1.69TFLOPS
|
| Single core performance score |
1671
|
|---|---|
| Multi-core performance score |
8365
|
| Single core performance score |
3319
|
|---|---|
| Multi-core performance score |
13790
|
| Integer math | 51 GOps/sec |
| Floating point math | 34 GOps/sec |
| Find prime numbers | 44 Million Primes/sec (Millions find prime numbers per second) |
| Random string sorting | 17.4 Million Strings/sec (Millions random string sorting per second) |
| Data encryption | 9.5 GBytes/sec (Gigabits per second) |
| Data compression | 150.6 MBytes/sec (megabits per second) |
| Physics simulation | 849 Frames/sec (FPS) |
| Extended instruction test | 8.4 Billion Matrices/sec (Billions matrix operations per second) |
| Single core performance |
1681
|
|---|---|
| Multi-core performance |
6830
|
| File compression | 513.4 MB/sec (megabits per second) |
| clang compilation | 36.1 Klines/sec (thousands lines per second) |
| HTML5 browsing | 144.2 pages/sec (pages per second) |
| PDF rendering | 152.3 Mpixels/sec (megapixels per second) |
| Text processing | 196.7 pages/sec (pages per second) |
| Background blur | 37.3 images/sec (images per second) |
| Photo processing | 69.3 images/sec (images per second) |
| Ray tracing | 11.9 Mpixels/sec (megapixels per second) |