iMac (21.5-inch Retina Mid 2017) vs [W8.1] MacBook Air (11-inch Early 2015)
| iMac (21.5-inch Retina Mid 2017) | [W8.1] MacBook Air (11-inch Early 2015) | Difference | |
|---|---|---|---|
| OpenCL Score | 13540 | 3941 | 343.6% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Geekbench 5.1.0 Tryout | Geekbench 5.4.5 Tryout | ||
System Information
| iMac (21.5-inch Retina Mid 2017) | [W8.1] MacBook Air (11-inch Early 2015) | |
|---|---|---|
| Operating System | macOS 10.15.3 (Build 19D76) | Microsoft Windows 8.1 N (64-bit) |
| Model | iMac (21.5-inch Retina Mid 2017) | Apple Inc. MacBookAir7,1 |
| Processor |
Intel Core i7-7700 @ 3.60 GHz
1 Processor, 4 Cores, 8 Threads |
Intel Core i5-5250U @ 1.60 GHz
1 Processor, 2 Cores, 4 Threads |
| Processor ID | GenuineIntel Family 6 Model 158 Stepping 9 | GenuineIntel Family 6 Model 61 Stepping 4 |
| Processor Codename | Broadwell-U | |
| Processor Package | Socket 1168 BGA | |
| L1 Instruction Cache | 32.0 KB x 4 | 32.0 KB x 2 |
| L1 Data Cache | 32.0 KB x 4 | 32.0 KB x 2 |
| L2 Cache | 256 KB x 4 | 256 KB x 2 |
| L3 Cache | 8.00 MB x 1 | 3.00 MB x 1 |
| Motherboard | Apple Inc. Mac-77F17D7DA9285301 iMac18,2 | Apple Inc. Mac-9F18E312C5C2BF0B |
| Northbridge | Intel Broadwell-U 09 | |
| Southbridge | Intel Broadwell-U PCH L-P 03 | |
| BIOS | Apple Inc. 180.0.0.0.0 | Apple Inc. 428.60.3.0.0 |
| Memory | 32.00 GB DDR4 | 3.91 GB DDR3 SDRAM |
| OpenCL Information | ||
| Platform Vendor | Apple | Intel(R) Corporation |
| Platform Name | Apple | Intel(R) OpenCL |
| Device Vendor | AMD | Intel(R) Corporation |
| Device Name | AMD Radeon Pro 555 Compute Engine | Intel(R) HD Graphics 6000 |
| Board Name | ||
| Compute Units | 12 | 48 |
| Maximum Frequency | 855 MHz | 400 MHz |
| Device Memory | 2.00 GB | 1.55 GB |
OpenCL Performance
| iMac (21.5-inch Retina Mid 2017) | [W8.1] MacBook Air (11-inch Early 2015) | Difference | |
|---|---|---|---|
| OpenCL Score | 13540 | 3941 | 343.6% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Sobel | 18400 | 4631 | 397.3% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Canny | 10255 | 2316 | 442.8% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Stereo Matching | 39133 | 5844 | 669.6% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Histogram Equalization | 13374 | 3639 | 367.5% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Gaussian Blur | 10850 | 2259 | 480.3% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Depth of Field | 30414 | 12363 | 246.0% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Face Detection | 3539 | 3810 | 92.9% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Horizon Detection | 9955 | 3488 | 285.4% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Feature Matching | 5013 | 997 | 502.8% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| Particle Physics | 44879 | 17973 | 249.7% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
| SFFT | 10858 | 2350 | 462.0% |
| iMac (21.5-inch Retina Mid 2017) | |||
| [W8.1] MacBook Air (11-inch Early 2015) | |||
