UHD Graphics 605 vs ATI Radeon HD 3870 Mac Edition
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 1128 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 16.59 |
| Architecture | TeraScale (2005−2013) | Generation 9.5 (2016−2020) |
| GPU code name | RV670 | Gemini Lake GT1.5 |
| Market segment | Desktop | Laptop |
| Release date | 12 June 2008 (17 years ago) | 11 December 2017 (7 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 320 | 144 |
| Core clock speed | 777 MHz | 200 MHz |
| Boost clock speed | no data | 750 MHz |
| Number of transistors | 666 million | 189 million |
| Manufacturing process technology | 55 nm | 14 nm |
| Power consumption (TDP) | 106 Watt | 5 Watt |
| Texture fill rate | 12.43 | 13.50 |
| Floating-point processing power | 0.4973 TFLOPS | 0.216 TFLOPS |
| ROPs | 16 | 3 |
| TMUs | 16 | 18 |
| L2 Cache | 256 KB | no data |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 2.0 x16 | Ring Bus |
| Length | 241 mm | no data |
| Width | 1-slot | no data |
| Supplementary power connectors | 1x 6-pin | no data |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR4 | System Shared |
| Maximum RAM amount | 512 MB | System Shared |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 1126 MHz | System Shared |
| Memory bandwidth | 72.06 GB/s | no data |
| Shared memory | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 2x DVI, 1x S-Video | Portable Device Dependent |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | no data | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 12 (12_1) |
| Shader Model | 4.1 | 6.4 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | N/A | 3.0 |
| Vulkan | N/A | 1.3 |
Pros & cons summary
| Recency | 12 June 2008 | 11 December 2017 |
| Chip lithography | 55 nm | 14 nm |
| Power consumption (TDP) | 106 Watt | 5 Watt |
UHD Graphics 605 has an age advantage of 9 years, a 292.9% more advanced lithography process, and 2020% lower power consumption.
We couldn't decide between Radeon HD 3870 Mac Edition and UHD Graphics 605. We've got no test results to judge.
Be aware that Radeon HD 3870 Mac Edition is a desktop graphics card while UHD Graphics 605 is a notebook one.
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