Radeon RX 455 OEM vs ATI Mobility X2500
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | R500 (2005−2007) | GCN 2.0 (2013−2017) |
| GPU code name | M66 | Tobago |
| Market segment | Laptop | Desktop |
| Release date | 1 June 2007 (18 years ago) | 30 June 2016 (9 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 | 17 | 768 |
| Core clock speed | 460 MHz | 1050 MHz |
| Boost clock speed | 460 MHz | no data |
| Number of transistors | 157 million | 2,080 million |
| Manufacturing process technology | 90 nm | 28 nm |
| Power consumption (TDP) | no data | 100 Watt |
| Texture fill rate | 1.840 | 50.40 |
| Floating-point processing power | no data | 1.613 TFLOPS |
| ROPs | 4 | 16 |
| TMUs | 4 | 48 |
| L1 Cache | no data | 192 KB |
| L2 Cache | no data | 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 1.0 x16 | PCIe 3.0 x16 |
| Length | no data | 165 mm |
| Width | no data | 1-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 | DDR2 | GDDR5 |
| Maximum RAM amount | 256 MB | 2 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 400 MHz | 1625 MHz |
| Memory bandwidth | 12.8 GB/s | 104.0 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 | 1x DVI, 1x HDMI, 1x DisplayPort |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 12 (12_0) |
| Shader Model | 3.0 | 6.3 |
| OpenGL | 2.0 | 4.6 |
| OpenCL | N/A | 2.0 |
| Vulkan | N/A | 1.2.131 |
Pros & cons summary
| Recency | 1 June 2007 | 30 June 2016 |
| Maximum RAM amount | 256 MB | 2 GB |
| Chip lithography | 90 nm | 28 nm |
RX 455 OEM has an age advantage of 9 years, a 700% higher maximum VRAM amount, and a 221.4% more advanced lithography process.
We couldn't decide between Mobility Radeon X2500 and Radeon RX 455 OEM. We've got no test results to judge.
Be aware that Mobility Radeon X2500 is a notebook graphics card while Radeon RX 455 OEM is a desktop one.
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