Intel Core i7-1255UL Benchmark, Test and specs
Last updated:
The Intel Core i7-1255UL is a 10 core processor. It can handle 12 threads simultaneously and was introduced in Q3/2022. The Intel Core i7-1255UL is based on the 12. generation of the Intel Core i7 series and requires a mainboard with the socket BGA 1744.
| Name: | Intel Core i7-1255UL |
|---|---|
| Family: | Intel Core i7 (298) |
| CPU group: | Intel Core i 1200P/1200U (21) |
| Architecture: | Alder Lake U |
| Segment: | Mobile |
| Generation: | 12 |
| Predecessor: | -- |
| Successor: | -- |
CPU Cores and Base Frequency
The 10 CPU cores of the Intel Core i7-1255UL clock with 2.60 GHz (4.70 GHz). The number of CPU cores and the clock frequency of the processor are largely responsible for the overall performance.
| CPU Cores / Threads: | 10 / 12 |
|---|---|
| Core architecture: | hybrid (big.LITTLE) |
| A-Core: | 2x Golden Cove |
| B-Core: | 8x Gracemont |
| Hyperthreading / SMT: | Yes |
|---|---|
| Overclocking: | No |
| A-Core Frequency: | 2.60 GHz (4.70 GHz) |
| B-Core Frequency: | 1.20 GHz (3.50 GHz) |
Internal Graphics
With the Intel Iris Xe Graphics 96 (Alder Lake), the Intel Core i7-1255UL has an build in graphic solution. It has 96 SM processors, which have a total of 768 texture shaders. The iGPU not only enables games, but also significantly accelerates video playback.
| GPU name: | Intel Iris Xe Graphics 96 (Alder Lake) |
|---|---|
| GPU frequency: | 0.35 GHz |
| GPU (Turbo): | 1.25 GHz |
| Compute units: | 96 |
| Shader: | 768 |
| Hardware Raytracing: | No |
| Release date: | Q1/2022 |
| Max. displays: | 4 |
|---|---|
| Generation: | 13 |
| Direct X: | 12.1 |
| Technology: | 10 nm |
| Max. GPU Memory: | 32 GB |
| Frame Generation: | No |
Hardware codec support
Processors that have an integrated graphics can play videos faster and more efficiently. This can have a positive effect on the battery life of notebooks, for example.
| h265 / HEVC (8 bit): | Decode / Encode |
|---|---|
| h265 / HEVC (10 bit): | Decode / Encode |
| h264: | Decode / Encode |
| VP8: | Decode |
| VP9: | Decode / Encode |
| AV1: | Decode |
|---|---|
| AVC: | Decode / Encode |
| VC-1: | Decode |
| JPEG: | Decode / Encode |
Memory & PCIeThe Intel Core i7-1255UL supports up to 64 GB memory in up to 2 (Dual Channel) memory channels. This results in a maximum memory bandwidth of 76.8 GB/s. |
|
| Memory type: | Memory bandwidth: |
|---|---|
| DDR5-4800 DDR4-3200 | 76.8 GB/s 51.2 GB/s |
| Max. Memory: | 64 GB |
| Memory channels: | 2 (Dual Channel) |
| ECC: | No |
| PCIe: | 4.0 x 28 |
| PCIe Bandwidth: | 55.1 GB/s |
Thermal ManagementWith the TDP, the processor manufacturer specifies the cooling solution required for the processor. The Intel Core i7-1255UL has a TDP of 15 W. |
|
|---|---|
| TDP (PL1 / PBP): | 15 W |
| TDP (PL2): | 55 W |
| TDP up: | 28 W |
| TDP down: | 12 W |
| Tjunction max.: | 100 °C |
Technical details
The Intel Core i7-1255UL has a 18.50 MB large cache. The processor is manufactured in 10 nm. Modern production increases the efficiency of the processor.
| Technology: | 10 nm |
|---|---|
| Chip design: | Monolithic |
| Socket: | BGA 1744 |
| L2-Cache: | 6.50 MB |
| L3-Cache: | 12.00 MB |
| AES-NI: | Yes |
| Operating systems: | Windows 10, Windows 11, Linux |
| Virtualization: | VT-x, VT-x EPT, VT-d |
|---|---|
| Instruction set (ISA): | x86-64 (64 bit) |
| ISA extensions: | SSE4.1, SSE4.2, AVX2 |
| Release date: | Q3/2022 |
| Release price: | -- |
| Part Number: | -- |
| Documents: | Technical data sheet |
10C 12T @ 2.60 GHz (4.70 GHz)
buy now on Amazon and save!
Rate this processor
Benchmark results
The benchmark results for the Intel Core i7-1255UL have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.
iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
|
Intel Core Ultra 7 155U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz |
||
|
|
Intel Core Ultra 7 155UL
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz |
||
|
Intel Core i7-1165G7
Intel Iris Xe Graphics 96 (Tiger Lake) @ 1.30 GHz |
||
|
|
Intel Core i7-1255UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
||
|
|
Intel Core i7-1265UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
||
|
|
Intel Core i7-1255U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
||
|
|
Intel Core i7-1265U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
||
Benchmarks
Popular comparisons
back to index
