Radeon R9 255 OEM vs HD 8670M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1075 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 1.0 (2012−2020) | GCN 1.0 (2012−2020) |
| GPU code name | Sun | Cape Verde |
| Market segment | Laptop | Desktop |
| Release date | 1 March 2013 (12 years ago) | 21 December 2013 (11 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 | 512 |
| Core clock speed | 925 MHz | 900 MHz |
| Boost clock speed | 975 MHz | 930 MHz |
| Number of transistors | 690 million | 1,500 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | no data | 65 Watt |
| Texture fill rate | 19.50 | 29.76 |
| Floating-point processing power | 0.624 TFLOPS | 0.9523 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 20 | 32 |
| L1 Cache | 80 KB | 128 KB |
| L2 Cache | 128 KB | 256 KB |
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).
| Laptop size | medium sized | no data |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 6-pin |
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 | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 1000 MHz | 1150 MHz |
| Memory bandwidth | 16 GB/s | 73.6 GB/s |
| 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 | No outputs | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2.131 | 1.2.131 |
Pros & cons summary
| Recency | 1 March 2013 | 21 December 2013 |
R9 255 OEM has an age advantage of 9 months.
We couldn't decide between Radeon HD 8670M and Radeon R9 255 OEM. We've got no test results to judge.
Be aware that Radeon HD 8670M is a notebook graphics card while Radeon R9 255 OEM is a desktop one.
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